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. 191-0649
Mfr. Part No.B78108S1224J000
BrandEPCOS
$0.536
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. 167-8363
Mfr. Part No.B78108S1224J000
BrandEPCOS
$976.50
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. 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
$18.17
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
$1.92
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
$871.00
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
$908.10
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
$2.13
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
$0.535
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
$928.50
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. 213-1910
Mfr. Part No.B82111E0000C025
BrandEPCOS
$2.17
Each
units
100 μH 1A Axial 650mΩ ±20% 6.5mm 27.4mm - - 6.5 (Dia.) x 27.4mm Ferrite 55MHz - B82111E
RS Stock No. 167-8344
Mfr. Part No.B78108S1102K000
BrandEPCOS
$928.50
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. 167-8295
Mfr. Part No.B82111E0000C025
BrandEPCOS
$865.00
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. 191-0380
Mfr. Part No.B78108S1102K000
BrandEPCOS
$0.466
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. 167-8358
Mfr. Part No.B78108S1683J000
BrandEPCOS
$976.50
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
RS Stock No. 213-1932
Mfr. Part No.B82111E0000C027
BrandEPCOS
$1.50
Each
units
470 μH 300mA Axial 6.5Ω ±20% 6mm 27.4mm - - 6 (Dia.) x 27.4mm Ferrite 25MHz - B82111E
RS Stock No. 191-1169
Mfr. Part No.B82144A2474J000
BrandEPCOS
$0.95
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. 167-0434
Mfr. Part No.B82747S4253A040
BrandEPCOS
$29.652
Each (In a Box of 140)
units
850 μH 30A Radial 1.9mΩ ±30% 62mm - - 35mm 62 (Dia.) x 35mm Ferrite 10kHz - B82747S
RS Stock No. 880-7262
Mfr. Part No.B82145A1225J000
BrandEPCOS
$0.964
Each (In a Bag of 10)
units
2.2 mH 250mA Axial ±5% 6.5mm 12mm - - 6.5 (Dia.) x 12mm Ferrite 800kHz 15mm HLBC
RS Stock No. 167-0342
Mfr. Part No.B82131A5402M000
BrandEPCOS
$1,528.80
1 Reel of 2000
Reel(s)
1 μH 4A Axial 14mΩ ±20% 5mm 15mm - - 5 (Dia.) x 15mm Carbonyl Iron 199MHz 17.5mm VHF