Loop Inductance Overview. F. Parallel conductors ( current in opposite directions)There are several little different from each other empirical formulae for calculating the inductance as a rectangular loop of wire. Using an LCR Meter to Calculate Coil Inductance. DC resistances are as low as 0. This calculator based on Rosa's straight wire self-inductance formula. This algorithm is applied in Coil64, online calculator, as well as in versions Coil32 for Android and Linux, to increase the accuracy of the calculation of the inductance of single-layer air core inductor. OF TURNS = 10 OUTPUTS: INDUCTANCE = 10. 25mm). With an LCR meter, I am measuring the inductance of the cable. This calculator uses JavaScript. The transmission line geometries are cross sections and the values calculated are the inductance per unit length. 1 inch = 0,0254m=2,54cm = 25,4mm. with the vacuum permeability µ₀ = 1. A wire loop creates inductance. It is assumed that this shield is sufficiently thick. Figure 14. A round wire self-inductance correction factor k s according to Rosa, 1,4,5; A round wire mutual-inductance correction factor k m according to Knight, 1,6; A reduced effective coil diameter for modelling the current quenching in the wire under the proximity effect of nearby windings, Since self inductance is all about the magnetic flux created by current flowing in the wire interacting with the wire, when you have less magnetic flux you have lower inductance. length = length of the coil in meters*. The calculator allows calculating the number of windings of the multilayer air core coil on a rectangular former at the design stage. Inductance: mH: Wire Gauge: AWG: Inner Coil. To find out how much inductance a coil has, do the following: Step 1: Enter the coil radius Rc or the coil diameter Dc (in Advanced mode). Dimensions are in meters. A microstrip is a flat conductor separated by insulating dielectric from a large conducting ground plane. The capacitance of a pair of parallel identical wires is depended on the wire's radius, their length and the. When the length of this line is equal to λ / 4 (λ. 3. Flat wire has a high winding factor of 95 %, so only 5 % is unused space in the gap between each winding compared to 30 % unused space in round wire. 2. Lant 0 N 1. Select the Conductor Material: Enter Data Aluminium Copper Gold Nickel Silver. C. So in this text the inductance L is usually a given quantity. according to Knight, 1,6 • A reduced effective coil diameter for modelling the current quenching in the wire under the proximity effect of nearby windings, • A series AC resistance for modelling the. Calculate the parallel wire impedance, inductance, capacitance, and propagation delay using this online electrical calculator. 5 ohms resistance 60Hz frequency thank you. ferrite "rings" or "collars". Note that the measurement unit may be chosen for the loop diameter and wire diameter. Select the. Rectangle Inductance Description. Additionally, since the inductance is dependent upon its material surrounding, use Table-4 to determine an appropriate "K" factor (multiplier) for the inductance. Table of Contents. 7. Then there is all the stray capacitance because of the coil turns and the dielectric used as insulation. 2. This maximizes the wire's inductance. Say we have two parallel conducting plates with equal and opposite currents I I. Info This is an popular coil geometri used in todays wireless charger circuits. The capacitance calculated using this tool is the capacitance between a flat conductor and two equidistant ground planes. Any length of wire has some inductance, however, at low frequencies, 1-30 MHz, the. 00032 Henry) when the frequency is 3333 kc (3333000 cycles/sec)R ≈ l σ(δs2πa) (δs ≪ a) The impedance of a wire of length l and radius a ≫ δs is given by Equation 4. d d = coaxial cable inner diameter. The HCV utilize flat-wire construction with low DCR and high efficiency performance. Multi-Layer Coil Inductance Calculator. He derived a simple formula for calculating the inductance of such. The trace capacitance is defined with respect to the nearest ground plane in the particular configuration presented above. N is the number of turns in the coil. Calculate the inductance using a mathematical formula. PI Network Impedance Matching. My first calculations were less but when I measured it I got 3. Multilayer coil inductance calculator. The effective diameter Deff obtained from here is used to calculate the inductance of the single-layer helical coil: where: μ: permeability of the coil core. Current creates a magnetic field, which subsequently exerts force on other current-bearing structures. W. L = µΓéÇ * N² * A/l. Inductor Calculators. A is the cross-sectional area of the coil in square meters (m 2)L = √ [(L 1 *Sin(X)) 2 + (L 2 *cos(X)) 2] - aggregate inductance of coil Inductance in µH, dimensions in inches. In the plugin square_loop following formula is used: where: L - inductance (μH); a, b - loop sizes from center to center of wire (m); r - the radius, half of the wire diameter (m)Enter inductance value (making sure to enter the units correctly as nH,uH or mH) and enter the AL value of the core. The Terminal boundary condition will excite the structure, and automatically compute the inductance using the above formula. When the effective cross sectional area of a wire gets larger, current flowing on one edge of the wire can produce a small. INPUT DATA. Conductors are assumed to be separated by a homogeneous medium having permittivity and permeability . This dependence is displayed by graphs or tables of complex magnetic permeability, in which the real part. If the radius (for circular coils) or half the average side length (for rectangular coils) exceeds twice the coil length (F21), the coil is. 5 times larger cross section to be selected. 2 mΩ, depending on the type. 84µH. The mutual partial inductance is calculated as mutual inductance be-tween two filaments and provides exact values [1]. Equation. Input (number of turns) N = (length of one side) W = (wire radius) a = (relative permeability)Hello everybody, I have found a formula given by Wheeler which gives the inductance of a flat -single layer- spiral coil assuming the coil is made up of solid wire. The value of Litz wire can easily be seen if the above example is compared with a solid round wire with equivalent cross. K S is Rosa's round wire self inductance. Nowadays the transposition of conductors is made at switching stations to balance inductance. The inputs. 36µH) and 3S (290. advised wire gauge. 0uH. Another calculator for Wire Self Inductance tells me that the inductance (self inductance) of each wire is 1. If you have any suggestions for improvement please email [email protected]. This formula is used in the calculators linking below. wire, and dx is the wire’s length. Flat Spiral Coil: The inductance of a flat spiral coil can be determined by entering its dimensions in the boxes above. To actually make the coil, [Drew] recommends some means of magnification, and a supply of CA glue. main program for coil calculator. Some people call it "magnet wire". Hence there is no need to calculate the Inductance of the Ground conductor. The approximate formulas used to calculate the inductance are provided along with restrictions on the relative size of the various parameters. Biplanar Inductance Model Inductance of the loop bounded by two biplanar flat conductors is: Units: Henries. 375 uH to 3. The permeability of air is 1 for all practical purposes. DIY Audio & Video Tutorials, FAQs, Calculators and Examples for. 6, which resembles a coil of wire, the basic form of the inductor. 0344 x 2. The inductance for the two wire inductance might be useful in measuring the inductance for a signal and ground on a ribbon cable. And a loop of wire is a typical model for inductive materials. T-Match Topology. American wire gauge size calculator and chart. 2. . Because the material is working well under 48 twists. Variable Ferrite Core Inductor coil set 3. s. Its a little thought experiment. design parameters resulting in the required inductance must be found. Air Core Inductor Inductance Calculator. While this is a “round wire” formula, it may still be applicable to. Assumptions and Limitations. In this method, the difference between the calculation result and the FE analysis increase as the number of turns increases. You might notice that the diameter of the outer shield is not required. Note that the input inductance should be in nano henries (10 -9 H). EEWeb offers a free online twisted pair impedance (transmission line) calculator. Enter the number of turns (windings). (OpenStax 23. Wire Loop Inductance Description. a primary tank capacitor or topload capacitance to find the resonant frequency of the LC circuit. ex. It is possible to calculate L for an inductor given its geometry (size and shape) and knowing the magnetic field that it produces. 489. Description The inductance calculated using this tool is the inductance of the loop bounded by the flat conductor and the ground planes above and below the conductor. Edge Coupled Trace Inductance Calculator. H H = height of the wire above the plane. In [16,17], the wire diameter is included in the calculation of the self-inductance. A coil inductance formula is based on the basic loop inductance. For more information see About our calculators See full list on allaboutcircuits. This calculator allows calculating the number of windings of the multilayer coil at the design. 5 mm 2. $0. Many magnetic field coupling circuits, such as chokes and transformers, take advantage of a coil’s magnetic storage properties. A is the area of cross-section of the solenoid. Where. Dimensional units: mm mils d1 (outer diameter) = d2 (inner diameter) = N (number of turns) = L (Inductance, nH) =. 00mF capacitance, 0. Characteristic Impedance Calculator for the Measurement of PCB Tracks and Coaxial Cables Using a Vector Network Analyser. The inductance of the loop. Flat wire requires that the round wire be flattened (usually by rollers) and spooled. This tool is designed to calculate the reactance and admittance of an inductor if its inductance and the frequency of the supply voltage is given. Following equation or formula is used for inductor calculator for singlelayer coil type. Here, L the inductance of a symmetrical three-phase three-wire system is the same as a single-phase two-wire system. The Magnetic field linking the Ground wire is Zero and hence the Inductance of the Ground conductor is Zero. Inductance of a Square Loop of Wire. The original formula below has been changed to use diameter rather than radius. Recommended length-to-width ratio for ground straps is 3:1 or less. The impedance ZL of an inductor of inductance L, in complex form, is given by ZL = j XL. Coil Inductance Calculator. Visit to learn more about our other electrical engineering tools. Available Winding Area of the Core: W A c. To learn more about the capabilities of EMI Analyst, sign up to access our download area. Meander line inductors have lower inductance per unit area than coil inductors. eff. Inductance is the tendency of an electrical conductor to oppose a change in the electric current flowing through it. The inductance of a coax cable can be useful to know. Select the box with the geometry that you would like to calculate. The self-capacitance of a single-layer air core solenoid. Six Inductor Parameters 4. 00 cm long. This tool calculates the inductance of a common object in electrical engineering: two parallel wires. The inductance of a straight wire and coil with a given inductance in micro Henry the. 000uH to 100. Within the wire, it increases linearly outwards from the centerline, and outside of the wire it falls off as 1/ r, where r is the radius. 25664 * 10-6 T*m/A. I might add that if you're looking to calculate the electrical impedance of a circuit, they have a separate impedance matching calculator and a PCB impedance calculator for various PCB-mounted conductors. Estimated Spark Size (Spark Length) Reactance Calculator. Total inductance of series-connected inductors is equal to the sum of the individual inductances. The auto-inductance of a coil is dependent on the mutual inductance between each current turn, the self-inductance of the coil’s wire, and the environment surrounding it. where j is the imaginary unit and XL = ω L is the inductive reactance in Ohms (Ω) In polar form , ZL is writtean as. A wire self inductance calculator is a tool that allows you to calculate the self-inductance of a wire or conductor. To use this calculator, just enter the required values and press the "calculate" button. Figure 14. Dimensions are in meters. Internal self inductance; External self inductance; Mutual inductance; Any capacitive reactances; For now we can ignore wavelength as it pertains to cable length as my specific question pertains to frequencies less than 100kHz and wire lengths less than 100m so these effects can be ignored. Here are the formulas used: 1. L = Inductance in microhenrys (μH) Coil dimensions for calculating inductance. Inverting Schmitt Trigger For an Op-Amp in an inverting configuration, showing the formulas used. Advanced Crystal Radio Initiative Calculator £ 6. 99 – £ 44. To calculate the inductance of a single-layer, air-core coil: Select the measurement units (inches or centimeters). Having this in consideration, together with the particularities of planar coils previously mentioned, the complexity associated with the auto-inductance calculation for flat. The n gauge wire diameter d n in millimeters (mm) is equal to 0. The inductance in the form of a round loop is calculated by the formula: where: L - inductance [H];; D - diameter of the loop [m];; d - diameter of the wire [m];; μ 0 = 4π·10-7 permeability of free space;; μ - relative magnetic permeability of the conductor;; You can often find the last formula in which the last member of the equation is 1. L-Match Topology. Effective equivalent circuit; effective equivalent circuit: effective series inductance at the design frequency from Corum’s sheath helix waveguide formula, corrected for field non-uniformity and round wire 1,3,6,7 (L_{ ext{eff,s}}) µH: effective series reactance of the round wire coil at the design frequencyAir Cored Inductor Calculator - Includes Q - Size units in mm - Computes Inductance, Q and wire length AL Inductance Calculator ### - Input two values and get the third - Inductance units: mHenrys,. Inductance is a property of electrical circuits that causes a voltage to be induced in a conductor when the current in the conductor changes. The secondary inductance indicated from the flat spiral coil calculator in Part 1 of the design was (2 x 71. The ratio of the magnetic flux to the current is called the inductance. 4. In all cases, the current is assumed to flow in the outer surface of the conductors. But a round braid wire normally takes up less space than a flat braid wire would. Loop length and width must be greater than the wire diameter. The self-inductance is calculated from one of two possible formulae: one applicable to solenoids; the other to pancake coils. A twisted-pair cable is simply two wires that are twisted together so as to reduce radiated EMI (electromagnetic interference) and mitigate the effects of received EMI. Rectangle Inductance Description. D is the coil diameter in meters. The new formulae show a substantial improvement in accuracy for short wires. Input the values into the formula and calculate the self-inductance. The auto-inductance of a coil is dependent on the mutual inductance between each current turn, the self-inductance of the coil’s wire, and the environment surrounding it. It can only be solved indirectly, by calculating the inductance of many coils, subject to any constraints, and by choosing the design whose inductance matches the predefined value best, e. In electrical engineering, the word bifilar describes wire which is made of two filaments or strands. 75mm which equates to 23. Solution for Let say that a flat coil of wire, having 5 turns, has an inductance L. loop area and wire radius. E. e. Enter the coil length (distance from first to last winding - see diagram). Use the Series and Shunt Impedance Calculator: to try your own impedances; Change Grid: S11, (ZL normalized to source impedance Z0). Computes L Three More Coil/Inductance Calculators - Some choice of units for inputs - 2 outputs are Inductance - The other is Reactance. Flat Wire Inductance Calculator. where d is the mean diameter of the winding, in centimeters, and N is the total number of turns. K S is Rosa's round wire self inductance. Inductors, also know as choke, coil, or reactor is a passive electrical component that stores energy in its magnetic field. Note: Copper, which most wires are made of, have a relative. Yours calculated 3. Conductors are assumed to be separated by a homogeneous medium having permittivity and permeability . The formulas assume a cable configuration as shown in the figure above. The inner and outer radius of the planar spiral coil is determined from the general equation of the filament of the wire. In this tool, the variables required are length and wire diameter. L = Inductance, nH. These two signals make a complete loop. The transmission line geometries are cross sections and the values calculated are the inductance per unit length. Coplanar traces where one trace is the signal and the other trace is the return path apply to this inductance calculator. Some people call it "magnet wire". If it’s too complex, you may try using an inductance calculator to help you calculate the coil inductance. How would you place two identical flat coils in contact so that they had the greatest mutual inductance?. Coil Geometry: Select the geometry of your coil from the list. 00? to 10. LC Meter LC200A. Table 1: Calculating Inductance (L) Equation: Parameter: Parameter Description. Two inductors whose self-inductances are given as 75mH and 55mH respectively, are positioned next to each other on a common magnetic core so that 75% of the lines of flux from the first coil are cutting the second coil. The capacitance is a function only of the geometry (including their distance) of the conductors and the permittivity of the dielectric. 7 mm with insulation). Microstrip Inductor Calculator. One formula for inductance is as follows: Where: L = inductance. where N is the number of turns, r is the inside radius in cms, and L is the inductance in uH. As such, microstrips are also subject to maximum ratings like capacitor and inductor. μ₀ is the permeability of free space, approximately equal to $4π × 10^ {-7} , ext {H/m}$. Description. Round Single Round (Parallel 2 Strand) Round (Triple 3 Strand) Round (Quad 4 Strand) Flat Ribbon. Dimensions are in meters. The program has additional plugins to. The formulas used to derive the inductance is simplified and correct to within 1%. Single Dual Triple Quadruple. Most of online calculators enable to find inductance of the coil knowing its winding dimensions and number of turns. , move the windings), so instead the coil. 33 0 N 2 2 a3. Enter the width of the conductor:imity factor Φ. The inductance, L , per core of a 3-core cable or of three single-core cables comprises two parts namely the self-inductance of the conductor and the mutual inductance with other cores. At high frequencies, a real inductor is usually modeled as the LRC circuit shown in the figure. 3. 6. Dimensions are in meters. I is the current intensity, in Ampere. «POPULAR» - Download Wire to Wire - The Walter Merrick Story Ebook Free OnlineCharacteristic impedance is purely a function of the capacitance and inductance distributed along the line’s length and would exist even if the dielectric were perfect (infinite parallel resistance) and the wires superconducting (zero series resistance). 132 s 9. This calculator allows calculating the number of windings of the multilayer coil at the design stage. 79 ohms/1 000 ft. This calculator can also calculate the inductance of an inductor if the reactance and frequency of the supply voltage is known. Equation 4 allows us to calculate the inductance of a wire loop [1]. Modeling approximation can be used to design the microstrip trace. Where ρ is the resistivity of the conductor in Ω. The equation of the circular spiral coil, motivated by the Archimedean spiral coil can be described by. Air Core Flat Spiral Inductance. 00pF to 100. Straight Wire Inductance. A round wire self-inductance correction factor k s according to Rosa, 1,4,5; A round wire mutual-inductance correction factor k m according to Knight, 1,6; A reduced effective coil diameter for modelling the current quenching in the wire under the proximity effect of nearby windings, The classic formula for single-layer inductance (air core) is called Wheeler's formula, which dates back to the radio days of the 1920s: where: L = inductance in micro-Henries (not nano-Henries!) N= number of turns of wire. w = width of winding (in inches) N = number of turns. At VHF and UHF frequencies the inductance of a wire may have a great effect on a circuit. Current in the wire is assumed to be uniformly distributed across its cross. The following formula from R. D D = coaxial cable outer diameter. The calculator allows calculating the number of windings of the multilayer air core coil on a rectangular former at the design stage. At high frequencies, the inductor would be correctly represented as a helical single-wire transmission line. H Separation between wires. Di = inner diameter in inches. 2r. It is similar in function to capacitors and inductors but only for very high frequencies. The calculation is based on the classic Wheeler's formula for single-layer inductance (air core, tightly wound), which dates back to the radio days of the 1920s: L = 0. An insulated coil of N2 turns is wrapped around it, as shown in Figure 11. Planar coils are mostly used in high frequency applications and designed as tracks on a circuit board. A sample 14 turns, half radius of 3 inches and a width of 12 inches yield an inductance of. Wire is assumed to have circular cross section. 68x10-8 Ω-m for copper), D is the wire diameter, l is the wire length, and ∆T is the temperature difference between the wire’s two ends, which we assume to be a constant for a maximum current-capacityAir Core Inductor Coil Inductance Calculator. Fotopoulou and Flynn discussed a novel analytical. Figure 2 illustrates the space savings achieved by the high winding factor with minimal wasted space in the flat wire cross-section. Enter the length of the conductor: cm. 37mm2, and a Rubadue S11NC133ECC-7 has an area of 4. For this reason, the inductance of complicated shapes can often be well approximated by a simpler shape with the same perimeter and/or area. Conductors are assumed to have zero thickness. Here is a Digikey search showing flat-conductor power inductors. Wire gauge chart. c. Divide the numerator with the denominator to obtain the inductance of the helical coil. meter cm inch. analyzing the accuracy of such formulas to calculate the AC resistance for different configurations, so this paper makes a contribution in this area. "Coil64" is a free coil inductor calculator, that allows calculating: single-layer and multilayer air core inductors, toroidal air core coil inductance, inductors on ferrite. Wire Inductance. Find magnetic permeability and inductance factor of an unknown ferrite toroid core. This image from AllAboutCircuits, shows various coil cross sections, and their corresponding (approximate) inductance formulae. b. The online calculator uses the wire diameter to determine its length and the possibility of fitting it in the inner diameter of the toroid. Microstrip and stripline inductance. The resistance of such a wire is given by Equation 4. H H = height of the wire above the plane. The inputs to this calculator are length. area = the cross sectional area of the core in square meters*, including some of the coil as shown in the diagram. 5 mm 2 means 2x1. The Ground boundary condition at the. As opposed to deliberate inductance, which is introduced into the circuit by the use of an inductor, parasitic inductance is almost always an undesired effect. are calculated. Coplanar traces are common in printed circuit boards. l: length of the coil, measured from the connecting wires centre to centre. To use this tool, just. Inductance Calculator. A rectangle loop inductance calculator is a tool used to calculate the inductance of a rectangular loop of wire. Mark. The magnetic field strength depends on the magnitude of the electric current, and follows any changes in the magnitude of the current. A rectangular loop of wire is a common example of an inductor. Or more simply: R = 3c / 2. 001N2D/ ( (228D/2) + 254l) Where: L is the inductance in henry's. Lcoax ≈ μ0μrL 2π ln( D d) L c o a x ≈ μ 0 μ r L 2 π l n ( D d) Where: Lcoax L c o a x = inductance of the coaxial cable in henries (H) μ0 μ 0 = permeability of free space = 4π×10 −7. Build Deck Configuration. To calculate the inductance of a single-layer, air-core coil: 1. L is the specific inductance in mH for 1000 turns of wire 2. Formula: L=r2N2/(2r+2. μr μ r = relative permeability. Example 11. Square the resultant to obtain the numerator. What is the mutual inductance? We need to know the radius, so assume its 1/2 * 0. 99 Colorado Springs Magnifying Transmitter Scale Model Design Sheet £ 19. Loop Inductance Calculator. Since my layer thickness is 0. Dimensions are in meters. 2. Effective equivalent circuit; effective equivalent circuit: effective series inductance at the design frequency from Corum’s sheath helix waveguide formula, corrected for field non-uniformity and round wire 1,3,6,7 (L_{ ext{eff,s}}) µH: effective series reactance of the round wire coil at the design frequencyThis gives a lay length of 41. (4-3), therefore, I needed a 2- H inductor. where: L = inductance in μH. Touch the red wire to the exposed end of the resistor and the black wire to the opposite end of the inductor. ZL = XL ∠90 ∘ or ZL = XL∠ π 2. On the left side, the LCR meter measures one cable. wire inductance L int = µ 0/8π, and the resulting inductance is higher than the inductance at high frequency when the skin effect becomes dominant. Calculate the A. for air core flat spiral coil inductor. Wheeler’s spiral formula is 1% accurate for c>0. Inductor Design Spec’s I L r L L} AWG # Choice for inductor wire windings. 0 cm diameter solenoid having 1000 loops. This represents a simple form of an inverse problem. In all cases, the current is assumed to flow in the outer surface of the conductors. The calculator uses Bob Weaver's equation with round wire corrections. kL: field non-uniformity correction factor according to Lundin. You can select measurement units - mm or inches, and also AWG or SWG wire number - the wire diameter will be determined automatically. is a mere function of the proximity factor Φ. Inductive Reactance/Admittance. The following American Wire Gauge (AWG) calculator will calculate the diameter in mm, inches, cross sectional area in mm2, inches2 and kcmil or MCM, resistance per 1000 feet and per 1000 meters and the current rating in amperes for chassis wiring and power transmission applications. Trace Inductance calculator for wide traces over a ground plane with trace width (W) much larger than substrate thickness (T). The inductance of an air core coil inductor can be also calculated using the below equation. Use our free online app Wire Self Inductance Calculator to determine all important calculations with parameters and constants. Capacitive Reactance/Admittance. In this paper, an analytical calculation of the inductance of an air-core planar spiral coil is presented. Unsymmetrical three-phase three-wire lines In this type of arrangement, the three conductors or wires are not in a symmetric position which means the angle between them is not exactly 60 degrees from each other and has an unequal. Use Calculator B: If you need to. Closely Wound Toroid. The Reactance Calculator will calculate the inductive reactance and the capacitive reactance of a coil or capacitor, and display a live example of how to perform the calculation. Berkner, K. The inductance for a rectangle loop is: where. 65 mm without insulation and 0. You can also use it in reverse to find out coil parameters based on the inductance. Stripline Inductance Model Inductance of the loop bounded by the center conductor and ground planes is: Units: Henries. The first thing to know when calculating the impedance of a wire is whether it's a coaxial or twisted pair cable. To estimate the mutual inductance, when the gap between the two coils is larger than wire diameter, the thick coil can be denoted by equation of planar spiral coil [ 23 ]. Where r w - cross-section radius of the wire. Successively, different wire solenoids with radius below 1 cm were simulated for calculating inductances. 11. The inductor impedance calculator calculates the impedance of an inductor based on the value of the inductance, L, of the inductor and the frequency, f, of the signal passing through the inductor, according to the formula, XL= 2πfL. D D = diameter of the wire. H = Seperation between wires in in. 85 mΩ or 1. Wire is assumed to have circular cross section. Thus, each produces a magnetic field of the form r B I r = o a m 2p f $ . The capacitance calculated using this tool is the capacitance between a flat conductor and the ground plane over the conductor length. [1] The. 2. 10. The above are rough calculation only. Choose units for a and W. Per se, partial inductance of a single wire cannot be measured. 98µH). It is more difficult to calculate the mutual inductance of theEaton's HCV family high current power inductors are high current ferrite inductors using secure 3 terminal mounting in a variety of sizes and inductance offerings.