Leaded Inductors

Leaded inductors are components that act as resistors to changes in currents and absorb EMI (electromagnetic interference) which could affect the status of electrical circuits in devices. Leaded inductors are composed of coils wrapped around magnetic cores and store energy in the form of a magnetic field as opposed to an electric field, which is stored by a capacitor. These inductors can found in several different shapes, including radial, axial and through-hole components and leads attached concentrically to the opposite ends of the inductor cores or as linear components. At RS Components, we have a varied range of leaded inductors, including axial, radial, through-hole and panel-mount inductors, with products from brands such as Bourns, EPCOS, Murata Power Solutions, Panasonic, Wurth Elektronik and our own RS PRO brand.

What are leaded inductors used for?

Leaded inductors are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits. They typically have ferrite cores, however it is possible to find leaded inductors with cores made of other materials, such as nano crystalline or iron. With low or DC voltages, they act as continuous circuits to keep the current flowing if there are interferences but otherwise have no effect on the signal. With high voltage applications, they are able to prevent the current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes and prevent damages.

Types of leaded inductors

Leaded inductors come in two main categories, VHF-choke and RF-choke:

  • VHF (very high frequency) versions are used for line voltage applications to block or filter EMI in small applications or for decoupling in telecom and entertainment electronics.
  • RF (radio frequency) versions are used in low-frequency applications of signal and control circuits and are designed to block radio frequencies while allowing audio signals to be transmitted.

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Description Price Inductance Maximum DC Current Mounting Type Maximum DC Resistance Tolerance Diameter Length Depth Height Dimensions Core Material Maximum Self Resonant Frequency Lead Pitch Series
RS Stock No. 852-3671
Mfr. Part No.IHD1BH5R6L
BrandVishay
TWD173.30
Each (In a Pack of 50)
units
5.6 μH 3.2A Axial 20mΩ ±15% 6.85mm - - 17.78mm 6.85 (Dia.) x 17.78mm Ferrite 1kHz - IHD
RS Stock No. 173-1584
Mfr. Part No.IHTH1125KZEB1R0M5A
BrandVishay
TWD252.90
Each (In a Tube of 15)
units
1 μH 90A Radial 500µΩ ±20% 28.5mm - - 10.7mm 28.5 (Dia.) x 10.7mm - 29.3MHz 14.4mm IHTH-1125KZ-5A
RS Stock No. 123-1535
Mfr. Part No.IHTH1125KZEB1R0M5A
BrandVishay
TWD293.00
Each
units
1 μH 90A Radial 500µΩ ±20% 28.5mm - - 10.7mm 28.5 (Dia.) x 10.7mm - 29.3MHz 14.4mm IHTH-1125KZ-5A
RS Stock No. 852-3722
Mfr. Part No.IHD3BH821L
BrandVishay
TWD101.00
Each (In a Pack of 190)
units
820 μH 800mA Axial 640mΩ ±15% 11.68mm - - 22.86mm 11.68 (Dia.) x 22.86mm Ferrite 1kHz - IHD
RS Stock No. 852-3725
Mfr. Part No.IHD3BH221L
BrandVishay
TWD88.50
Each (In a Pack of 190)
units
220 μH 1.6A Axial 160mΩ ±15% 11.68mm - - 22.86mm 11.68 (Dia.) x 22.86mm Ferrite 1kHz - IHD
RS Stock No. 173-1586
Mfr. Part No.IHTH1125KZEB100M5A
BrandVishay
TWD252.90
Each (In a Tube of 15)
units
10 μH 33A Radial 3.64mΩ ±20% 28.5mm - - 10.7mm 28.5 (Dia.) x 10.7mm - 7.76MHz 17.8mm IHTH-1125KZ-5A
RS Stock No. 852-3728
Mfr. Part No.IHD3BH561L
BrandVishay
TWD101.00
Each (In a Pack of 190)
units
560 μH 1A Axial 500mΩ ±15% 11.68mm - - 22.86mm 11.68 (Dia.) x 22.86mm Ferrite 1kHz - IHD
RS Stock No. 173-0666
Mfr. Part No.IHTH0750IZEB4R7M5A
BrandVishay
TWD120.80
Each (In a Tube of 25)
units
4.7 μH 30A Radial 3mΩ ±20% 19.17mm - - 8.7mm 19.17 (Dia.) x 8.7mm - 13.22MHz 11.7mm IHTH-0750IZ-5A
RS Stock No. 173-1587
Mfr. Part No.IHTH1125KZEB330M5A
BrandVishay
TWD252.90
Each (In a Tube of 15)
units
33 μH 15.9A Radial 11.3mΩ ±20% 28.5mm - - 10.7mm 28.5 (Dia.) x 10.7mm - 6.17MHz 17.8mm IHTH-1125KZ-5A
RS Stock No. 852-3734
Mfr. Part No.IHD3EB104L
BrandVishay
TWD185.00
Each
units
100 mH 70mA Axial 76Ω ±15% 11.68mm - - 22.86mm 11.68 (Dia.) x 22.86mm Ferrite 1kHz - IHD
RS Stock No. 852-3845
Mfr. Part No.IM04EB470J
BrandVishay
TWD25.90
Each (In a Pack of 400)
units
47 μH 170mA Axial 2.75Ω ±5% 4.19mm - - 9.78mm 4.19 (Dia.) x 9.78mm Iron 13MHz - IM
RS Stock No. 123-1526
Mfr. Part No.IHTH0750IZEB8R2M5A
BrandVishay
TWD185.00
Each
units
8.2 μH 20A Radial 6.14mΩ ±20% 19.17mm - - 8.7mm 19.17 (Dia.) x 8.7mm - 11.6MHz 10.84mm IHTH-0750IZ-5A
RS Stock No. 173-3919
Mfr. Part No.IHTH1125KZEB3R3M5A
BrandVishay
TWD315.70
Each (In a Tube of 15)
units
3.3 μH 57A Radial 1.5mΩ ±20% 28.5mm - - 10.7mm 28.5 (Dia.) x 10.7mm - 15.8MHz 16.7mm IHTH-1125KZ-5A
RS Stock No. 852-3839
Mfr. Part No.IM02EBR22K
BrandVishay
TWD21.40
Each (In a Pack of 400)
units
220 nH 1A Axial 140mΩ ±10% 2.7mm - - 6.6mm 2.7 x 6.6mm Phenolic 510MHz - IM
RS Stock No. 169-1877
Mfr. Part No.IPLA32L1R0KD
BrandVishay
TWD533.20
Each (In a Box of 20)
units
1 μH 110A Chassis Mount 620µΩ ±10% - 30.2mm 24.5mm 21.7mm 30.2 x 24.5 x 21.7mm - - 18mm IPLA
RS Stock No. 191-7825
Mfr. Part No.IHDM1008BCEV4R7M30
BrandVishay
TWD377.00
Each
units
4.7 μH 45A Through Hole 950µΩ ±20% - 25.5mm 20.7mm 21.8mm 25.5 x 20.7 x 21.8mm Iron Powder 15MHz - IHDM-1008BC-30
RS Stock No. 173-0668
Mfr. Part No.IHTH0750IZEB101M5A
BrandVishay
TWD120.80
Each (In a Tube of 25)
units
100 μH 5A Radial 64mΩ ±20% 19.17mm - - 8.7mm 19.17 (Dia.) x 8.7mm - 2.63MHz 11.6mm IHTH-0750IZ-5A
RS Stock No. 852-3848
Mfr. Part No.IM02EBR33K
BrandVishay
TWD40.70
Each (In a Pack of 400)
units
330 nH 815mA Axial 220mΩ ±10% 2.67mm - - 6.6mm 2.67 (Dia.) x 6.60mm Phenolic 410MHz - IM
RS Stock No. 173-3920
Mfr. Part No.IHTH1125KZEB4R7M5A
BrandVishay
TWD261.20
Each (In a Tube of 15)
units
4.7 μH 50A Radial 1.43mΩ ±20% 28.5mm - - 10.7mm 28.5 (Dia.) x 10.7mm - 11.36MHz 16.7mm IHTH-1125KZ-5A
RS Stock No. 852-3813
Mfr. Part No.IM02EB220K
BrandVishay
TWD36.00
Each (In a Pack of 400)
units
22 μH 140mA Axial 3.3Ω ±10% 2.67mm - - 6.6mm 2.67 (Dia.) x 6.60mm Iron 25MHz - IM