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. 162-0235
Mfr. Part No.B82145A1334J000
BrandEPCOS
SGD544.48
1 Reel of 1250
Reel(s)
330 μH 630mA Axial 1.3Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 2.1MHz 15mm HLBC
RS Stock No. 880-7266
Mfr. Part No.B82145A1334J000
BrandEPCOS
SGD0.784
Each (In a Bag of 10)
units
330 μH 630mA Axial 1.3Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 2.1MHz 15mm HLBC
RS Stock No. 167-0392
Mfr. Part No.B82731M2801A030
BrandEPCOS
SGD2.65
Each (In a Box of 800)
units
22 mH 800mA Radial 800mΩ -30 → +50% - 21mm 15mm 20mm 21 x 15 x 20mm Ferrite 10kHz 12.5mm B82731M
RS Stock No. 167-8355
Mfr. Part No.B78108S1333K000
BrandEPCOS
SGD927.50
1 Reel of 5000
Reel(s)
33 μH 500mA Axial 920mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 9MHz - BC
RS Stock No. 871-1540
Mfr. Part No.B82731M2801A030
BrandEPCOS
SGD3.073
Each (In a Bag of 3)
units
22 mH 800mA Radial 800mΩ -30 → +50% - 21mm 15mm 20mm 21 x 15 x 20mm Ferrite 10kHz 12.5mm B82731M
RS Stock No. 801-9743
Mfr. Part No.B78148S1335J000
BrandEPCOS
SGD0.599
Each (In a Bag of 10)
units
3.3 mH 62mA - 59.5Ω ±5% 4mm 9.2mm - - 4 (Dia.) x 9.2mm Ferrite 900kHz 5mm BC
RS Stock No. 880-7272
Mfr. Part No.B82145A1684J000
BrandEPCOS
SGD0.809
Each (In a Bag of 10)
units
680 μH 440mA Axial 2.5Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 1.5MHz 15mm HLBC
RS Stock No. 191-0532
Mfr. Part No.B78108S1333K000
BrandEPCOS
SGD0.478
Each (In a Pack of 10)
units
33 μH 500mA Axial 920mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 9MHz - BC
RS Stock No. 162-0250
Mfr. Part No.B82145A1684J000
BrandEPCOS
SGD508.18
1 Reel of 1250
Reel(s)
680 μH 440mA Axial 2.5Ω ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 1.5MHz 15mm HLBC
RS Stock No. 162-0225
Mfr. Part No.B78148S1335J000
BrandEPCOS
SGD393.92
1 Reel of 2000
Reel(s)
3.3 mH 62mA - 59.5Ω ±5% 4mm 9.2mm - - 4 (Dia.) x 9.2mm Ferrite 900kHz 5mm BC
RS Stock No. 162-0212
Mfr. Part No.B82144A2474J000
BrandEPCOS
SGD435.54
1 Reel of 1500
Reel(s)
470 μH 280mA Axial 2.5Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.5MHz - LBC
RS Stock No. 167-8317
Mfr. Part No.B82721A2122N020
BrandEPCOS
SGD1.87
Each (In a Box of 600)
units
6.8 mH 1.2A Radial 280mΩ ±30% - 17.9mm 17.3mm 12.6mm 17.9 x 17.3 x 12.6mm Ferrite - 15mm B82721A
RS Stock No. 880-7234
Mfr. Part No.B82144B1105J000
BrandEPCOS
SGD0.533
Each (In a Bag of 10)
units
1 mH 280mA Radial 4.2Ω ±5% 6.5mm - - 9.2mm 6.5 (Dia.) x 9.2mm Ferrite 2.2MHz 5mm LBC
RS Stock No. 167-8324
Mfr. Part No.B82725A2103N001
BrandEPCOS
SGD7.621
Each (In a Box of 160)
units
1.8 mH 10A Radial 14mΩ ±30% - 44mm 42.4mm 25mm 44 x 42.4 x 25mm Ferrite - 15mm B82721A
RS Stock No. 772-0203
Mfr. Part No.B82725A2602N001
BrandEPCOS
SGD7.68
Each
units
3.9 mH 6A Radial 40mΩ ±30% - 44mm 42.4mm 25mm 44 x 42.4 x 25mm Ferrite - 15 mm, 40 mm B82721A
RS Stock No. 166-0230
Mfr. Part No.B82144B1105J000
BrandEPCOS
SGD395.50
1 Reel of 1000
Reel(s)
1 mH 280mA Radial 4.2Ω ±5% 6.5mm - - 9.2mm 6.5 (Dia.) x 9.2mm Ferrite 2.2MHz 5mm LBC
RS Stock No. 191-1169
Mfr. Part No.B82144A2474J000
BrandEPCOS
SGD0.656
Each (In a Pack of 5)
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. 478-4639
Mfr. Part No.B82721A2122N020
BrandEPCOS
SGD2.87
Each
units
6.8 mH 1.2A Radial 280mΩ ±30% - 17.9mm 17.3mm 12.6mm 17.9 x 17.3 x 12.6mm Ferrite - 15mm B82721A
RS Stock No. 167-8349
Mfr. Part No.B78108S1682K000
BrandEPCOS
SGD1,013.50
1 Reel of 5000
Reel(s)
6.8 μH 670mA Axial 510mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 75MHz - BC
RS Stock No. 191-1204
Mfr. Part No.B82144A2106J000
BrandEPCOS
SGD0.992
Each (In a Pack of 5)
units
10 mH 60mA Axial 42Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 350kHz - LBC