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. 162-0212
Mfr. Part No.B82144A2474J000
BrandEPCOS
£0.182
Each (On a Reel of 1500)
Units
470 μH 280mA Axial 2.5Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.5MHz - LBC
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. 106-7732
Mfr. Part No.1410454C
£2.134
Each (In a Box of 25)
Units
100 μH 5.4A Radial 42mΩ ±10% - 26.4mm 24.4mm 14mm 26.4 x 24.4 x 14mm - 4.6MHz 23.6mm 1400
RS Stock No. 228-416
Mfr. Part No.1410454C
£2.01
Each
Units
100 μH 5.4A Radial 42mΩ ±10% - 26.4mm 24.4mm 14mm 26.4 x 24.4 x 14mm - 4.6MHz 23.6mm 1400
RS Stock No. 191-0712
Mfr. Part No.B78108S1105J000
BrandEPCOS
£0.294
Each (In a Pack of 10)
Units
1 mH 130mA Axial 14Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 1.6MHz - BC
RS Stock No. 167-8368
Mfr. Part No.B78108S1105J000
BrandEPCOS
£0.118
Each (On a Reel of 5000)
Units
1 mH 130mA Axial 14Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 1.6MHz - BC
RS Stock No. 106-7746
Mfr. Part No.22R225C
£0.402
Each (In a Bag of 100)
Units
2.2 mH 110mA Radial 8.58Ω ±10% - 7.7mm - 10.5mm - - 1.7MHz 3mm 2200R
RS Stock No. 240-668
Mfr. Part No.22R225C
£0.484
Each (In a Pack of 10)
Units
2.2 mH 110mA Radial 8.58Ω ±10% - 7.7mm - 10.5mm - - 1.7MHz 3mm 2200R
RS Stock No. 110-1305
Mfr. Part No.ELC08D331E
BrandPanasonic
£0.282
Each (In a Bag of 1000)
Units
330 μH 500mA Radial 420mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5241
Mfr. Part No.ELC08D331E
BrandPanasonic
£0.744
Each (In a Pack of 5)
Units
330 μH 500mA Radial 420mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 866-1886
Mfr. Part No.ZKD400/800-27
BrandFUSS-EMV
£108.64
Each
Units
2.7 mH 27A Panel Mount - - - 120mm 110mm 120mm 120 x 110 x 120mm - - - ZKD400/800
RS Stock No. 228-438
Mfr. Part No.1433428C
£2.01
Each
Units
330 μH 2.8A Radial 150mΩ ±10% - 27.4mm 25.9mm 15.5mm 27.4 x 25.9 x 15.5mm - 2.5MHz 23.4mm 1400
RS Stock No. 106-7734
Mfr. Part No.1433428C
£1.862
Each (In a Box of 25)
Units
330 μH 2.8A Radial 150mΩ ±10% - 27.4mm 25.9mm 15.5mm 27.4 x 25.9 x 15.5mm - 2.5MHz 23.4mm 1400
RS Stock No. 228-551
Mfr. Part No.1410516C
£2.01
Each
Units
1 mH 1.6A Radial 419mΩ ±10% - 27.1mm 25.9mm 15.5mm 27.1 x 25.9 x 15.5mm - 1.4MHz 23.2mm 1400
RS Stock No. 106-7736
Mfr. Part No.1410516C
£1.823
Each (In a Box of 25)
Units
1 mH 1.6A Radial 419mΩ ±10% - 27.1mm 25.9mm 15.5mm 27.1 x 25.9 x 15.5mm - 1.4MHz 23.2mm 1400
RS Stock No. 106-7733
Mfr. Part No.1422435C
£1.925
Each (In a Box of 25)
Units
220 μH 3.5A Radial 96mΩ ±10% - 27.6mm 25.9mm 15.5mm 27.6 x 25.9 x 15.5mm - 2.8MHz 23.5mm 1400
RS Stock No. 167-0422
Mfr. Part No.B82726S2163N030
BrandEPCOS
£5.183
Each (In a Box of 156)
Units
2.2 mH 16A Radial 7.1mΩ ±30% - 50mm 23mm 49mm 50 x 23 x 49mm Ferrite 10kHz 18mm B82726S
RS Stock No. 228-422
£4.30
Each
Units
220 μH 3.5A Radial 96mΩ ±10% - 27.6mm 25.9mm 15.5mm 27.6 x 25.9 x 15.5mm - 2.8MHz 23.5mm 1400
RS Stock No. 163-5542
Mfr. Part No.7448031501
£5.655
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. 163-3396
Mfr. Part No.744823422
£2.881
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
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