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. 167-8363
Mfr. Part No.B78108S1224J000
BrandEPCOS
$1,373.02
1 Reel of 5000
Reel(s)
220 μH 250mA Axial 3.3Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 3.7MHz - BC
RS Stock No. 191-0649
Mfr. Part No.B78108S1224J000
BrandEPCOS
$0.633
Each (In a Pack of 10)
units
220 μH 250mA Axial 3.3Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 3.7MHz - BC
RS Stock No. 162-0152
Mfr. Part No.B82726S6123N020
BrandEPCOS
$13.553
Each (In a Box of 60)
units
3.3 mH 12A Radial 8.4mΩ ±30% - 52mm 28mm 55mm 52 x 28 x 55mm Ferrite 10kHz 35.65mm B82726S
RS Stock No. 871-1389
Mfr. Part No.B82726S6123N020
BrandEPCOS
$20.09
Each
units
3.3 mH 12A Radial 8.4mΩ ±30% - 52mm 28mm 55mm 52 x 28 x 55mm Ferrite 10kHz 35.65mm B82726S
RS Stock No. 213-1881
Mfr. Part No.B82111E0000C022
BrandEPCOS
$1.83
Each
units
22 μH 3A Axial 70Ω - 7mm 27.4mm - - 7 (Dia.) x 27.4mm Ferrite 110MHz - B82111-E
RS Stock No. 167-8219
Mfr. Part No.B82111E0000C022
BrandEPCOS
$1,275.50
1 Reel of 1000
Reel(s)
22 μH 3A Axial 70Ω - 7mm 27.4mm - - 7 (Dia.) x 27.4mm Ferrite 110MHz - B82111-E
RS Stock No. 166-0225
Mfr. Part No.B82133A5302M000
BrandEPCOS
$1,341.34
1 Reel of 1000
Reel(s)
10 μH 3A Axial 77mΩ ±20% 7.5mm 25mm - - 7.5 (Dia.) x 25mm Carbonyl Iron 69MHz 27.5mm VHF
RS Stock No. 880-7161
Mfr. Part No.B82133A5302M000
BrandEPCOS
$2.028
Each (In a Bag of 5)
units
10 μH 3A Axial 77mΩ ±20% 7.5mm 25mm - - 7.5 (Dia.) x 25mm Carbonyl Iron 69MHz 27.5mm VHF
RS Stock No. 191-0526
Mfr. Part No.B78108S1223K000
BrandEPCOS
$0.561
Each (In a Pack of 10)
units
22 μH 560mA Axial 740mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 13MHz - BC
RS Stock No. 167-8354
Mfr. Part No.B78108S1223K000
BrandEPCOS
$1,305.34
1 Reel of 5000
Reel(s)
22 μH 560mA Axial 740mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 13MHz - BC
RS Stock No. 880-7168
Mfr. Part No.B82133A5202M000
BrandEPCOS
$1.114
Each (In a Bag of 5)
units
14 μH 2A Axial 130mΩ ±20% 7.5mm 25mm - - 7.5 (Dia.) x 25mm Carbonyl Iron 57MHz 27.5mm VHF
RS Stock No. 167-8295
Mfr. Part No.B82111E0000C025
BrandEPCOS
$942.23
1 Reel of 1000
Reel(s)
100 μH 1A Axial 650mΩ ±20% 6.5mm 27.4mm - - 6.5 (Dia.) x 27.4mm Ferrite 55MHz - B82111E
RS Stock No. 166-0226
Mfr. Part No.B82133A5202M000
BrandEPCOS
$1,267.27
1 Reel of 1000
Reel(s)
14 μH 2A Axial 130mΩ ±20% 7.5mm 25mm - - 7.5 (Dia.) x 25mm Carbonyl Iron 57MHz 27.5mm VHF
RS Stock No. 191-0380
Mfr. Part No.B78108S1102K000
BrandEPCOS
$0.548
Each (In a Pack of 10)
units
1 μH 1.2A Axial 160mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 205MHz - BC
RS Stock No. 167-8344
Mfr. Part No.B78108S1102K000
BrandEPCOS
$1,305.34
1 Reel of 5000
Reel(s)
1 μH 1.2A Axial 160mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 205MHz - BC
RS Stock No. 213-1910
Mfr. Part No.B82111E0000C025
BrandEPCOS
$3.89
Each
units
100 μH 1A Axial 650mΩ ±20% 6.5mm 27.4mm - - 6.5 (Dia.) x 27.4mm Ferrite 55MHz - B82111E
RS Stock No. 191-0576
Mfr. Part No.B78108S1683J000
BrandEPCOS
$0.31
Each (In a Pack of 10)
units
68 μH 410mA Axial 1.35Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 6.5MHz - BC
RS Stock No. 871-1414
Mfr. Part No.B82747S4253A040
BrandEPCOS
$17.01
Each
units
850 μH 30A Radial 1.9mΩ ±30% 62mm - - 35mm 62 (Dia.) x 35mm Ferrite 10kHz - B82747S
RS Stock No. 167-0392
Mfr. Part No.B82731M2801A030
BrandEPCOS
$3.765
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. 167-8358
Mfr. Part No.B78108S1683J000
BrandEPCOS
$1,373.02
1 Reel of 5000
Reel(s)
68 μH 410mA Axial 1.35Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 6.5MHz - BC