Leaded Inductors

Leaded inductors are components with through hole features and leads attached concentrically to the opposite ends of the inductor cores. They 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.

What are leaded inductors used for?

They are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits.

With low voltages, they act as continuous circuits to keep the current flowing if there are interferences. With high voltages, they are able to prevent current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes.

Types of leaded inductors

Leaded inductors come in two main categories:

  • 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. 863-1261
Mfr. Part No.760308102207
£8.81
Each
Units
8 μH 5A Axial 80mΩ ±10% - 40mm 1.2mm 40mm 40 x 40 x 1.2mm Ferrite 16MHz 5mm WE-WPCC
RS Stock No. 163-7512
Mfr. Part No.760308102207
£6.876
Each (In a Box of 56)
Units
8 μH 5A Axial 80mΩ ±10% - 40mm 1.2mm 40mm 40 x 40 x 1.2mm Ferrite 16MHz 5mm WE-WPCC
RS Stock No. 489-0318
Mfr. Part No.744824101
£4.71
Each
Units
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 163-3398
Mfr. Part No.744824101
£3.126
Each (In a Box of 25)
Units
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 124-1528
Mfr. Part No.7447070
£2.596
Each (In a Pack of 5)
Units
100 μH 6A Through Hole 35mΩ ±20% 25mm - - 11mm 25 (Dia.) x 11mm Ferrite, Iron Powder - 8mm WE-FI
RS Stock No. 124-1527
Mfr. Part No.7447021
£1.408
Each (In a Pack of 5)
Units
100 μH 2.5A Through Hole 80mΩ ±20% 15.5mm - - 8mm 15.5 (Dia.) x 8mm Ferrite, Iron Powder - 7mm WE-FI
RS Stock No. 124-1522
Mfr. Part No.7447071
£2.915
Each (In a Pack of 2)
Units
470 μH 3A Through Hole 110mΩ ±20% 25mm - - 12mm 25 (Dia.) x 12mm Ferrite, Iron Powder - 11mm WE-FI
RS Stock No. 816-4783
Mfr. Part No.7448031501
£10.79
Each
Units
2 x 1 mH 15A Through Hole 2 x 3.3mΩ -30 → +50% - 23mm 17mm 25mm 23 x 17 x 25mm Nano Crystalline 1 kHz → 300 MHz 7.5mm WE-CMBNC
RS Stock No. 163-3396
Mfr. Part No.744823422
£2.916
Each (In a Box of 90)
Units
2.2 mH 4A Radial 30mΩ ±30% - 23.5mm 13.5mm 25.5mm 23.5 x 13.5 x 25.5mm - - 10.7mm WE-CMB HC
RS Stock No. 489-0273
Mfr. Part No.744823422
£4.25
Each
Units
2.2 mH 4A Radial 30mΩ ±30% - 23.5mm 13.5mm 25.5mm 23.5 x 13.5 x 25.5mm - - 10.7mm WE-CMB HC
RS Stock No. 163-5542
Mfr. Part No.7448031501
£5.713
Each (In a Box of 90)
Units
2 x 1 mH 15A Through Hole 2 x 3.3mΩ -30 → +50% - 23mm 17mm 25mm 23 x 17 x 25mm Nano Crystalline 1 kHz → 300 MHz 7.5mm WE-CMBNC
RS Stock No. 124-1893
Mfr. Part No.7447160
£1.884
Each (In a Pack of 5)
Units
10 μH 10A Radial 9mΩ ±15% - 30.5mm 9.5mm 11mm 30.5 x 9.5 x 11mm Ferrite - 26.6mm WE SD
RS Stock No. 163-3230
Mfr. Part No.744150
£1.515
Each (In a Tray of 30)
Units
26 μH 10.3A Lead Wire 15mΩ ±20% 28.5mm - 14.5mm - 28.5 (Dia.) x 14.5mm Ferrite - 11.5mm WE-SI
RS Stock No. 334-9229
Mfr. Part No.744150
£2.24
Each
Units
26 μH 10.3A Lead Wire 15mΩ ±20% 28.5mm - 14.5mm - 28.5 (Dia.) x 14.5mm Ferrite - 11.5mm WE-SI
RS Stock No. 489-0043
Mfr. Part No.744772220
£0.813
Each (In a Pack of 10)
Units
22 μH 2.3A Radial 55mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 163-3343
Mfr. Part No.744772220
£0.529
Each (In a Tray of 140)
Units
22 μH 2.3A Radial 55mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 432-4401
Mfr. Part No.744772101
£0.804
Each (In a Pack of 10)
Units
100 μH 900mA Radial 190mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 163-3340
Mfr. Part No.744772101
£0.531
Each (In a Tray of 140)
Units
100 μH 900mA Radial 190mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 163-3406
Mfr. Part No.744825605
£3.891
Each (In a Tray of 20)
Units
5 mH 6A Radial 45mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB
RS Stock No. 489-0403
Mfr. Part No.744825605
£4.45
Each
Units
5 mH 6A Radial 45mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB