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. 233-5134
Mfr. Part No.ELC08D100E
BrandPanasonic
£0.686
Each (In a Pack of 5)
Units
10 μH 2.8A Radial 22mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 110-1296
Mfr. Part No.ELC08D100E
BrandPanasonic
£0.265
Each (In a Bag of 1000)
Units
10 μH 2.8A Radial 22mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5156
Mfr. Part No.ELC08D330E
BrandPanasonic
£0.502
Each (In a Pack of 5)
Units
33 μH 1.4A Radial 45mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5370
Mfr. Part No.ELC18B220L
BrandPanasonic
£1.96
Each
Units
22 μH 5.4A Radial 25mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1314
Mfr. Part No.ELC18B220L
BrandPanasonic
£0.775
Each (In a Bag of 500)
Units
22 μH 5.4A Radial 25mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1298
Mfr. Part No.ELC08D330E
BrandPanasonic
£0.275
Each (In a Bag of 1000)
Units
33 μH 1.4A Radial 45mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 110-1293
Mfr. Part No.ELC08D3R3E
BrandPanasonic
£0.257
Each (In a Bag of 1000)
Units
3.3 μH 5.7A Radial 13mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 110-1357
Mfr. Part No.ELC12D222E
BrandPanasonic
£0.42
Each (In a Bag of 500)
Units
2.2 mH 600mA Radial 1.5Ω ±10% - 14mm 12.5mm 16.5mm 14 x 12.5 x 16.5mm Ferrite - 7.5mm ELC12D
RS Stock No. 675-5309
Mfr. Part No.ELC12D222E
BrandPanasonic
£0.98
Each (In a Pack of 5)
Units
2.2 mH 600mA Radial 1.5Ω ±10% - 14mm 12.5mm 16.5mm 14 x 12.5 x 16.5mm Ferrite - 7.5mm ELC12D
RS Stock No. 233-5106
Mfr. Part No.ELC08D3R3E
BrandPanasonic
£0.676
Each (In a Pack of 5)
Units
3.3 μH 5.7A Radial 13mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 920-6985
Mfr. Part No.ELC09D120F
BrandPanasonic
£0.225
Each (In a Bag of 500)
Units
12 μH 2.3A Radial 31mΩ ±20% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 540-8522
Mfr. Part No.ELC09D120F
BrandPanasonic
£0.548
Each (In a Pack of 5)
Units
12 μH 2.3A Radial 31mΩ ±20% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 110-1297
Mfr. Part No.ELC08D220E
BrandPanasonic
£0.265
Each (In a Bag of 1000)
Units
22 μH 2A Radial 34mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5140
Mfr. Part No.ELC08D220E
BrandPanasonic
£0.686
Each (In a Pack of 5)
Units
22 μH 2A Radial 34mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS Stock No. 233-5443
Mfr. Part No.ELC18B102L
BrandPanasonic
£2.00
Each
Units
1 mH 1.1A Radial 390mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1320
Mfr. Part No.ELC18B102L
BrandPanasonic
£0.907
Each (In a Bag of 500)
Units
1 mH 1.1A Radial 390mΩ ±10% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1312
Mfr. Part No.ELC18B3R9L
BrandPanasonic
£0.437
Each (In a Bag of 500)
Units
3.9 μH 8A Radial 11mΩ ±20% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 233-5342
Mfr. Part No.ELC18B3R9L
BrandPanasonic
£0.43
Each
Units
3.9 μH 8A Radial 11mΩ ±20% - 20mm 18mm 27mm 20 x 18 x 27mm Ferrite - 7.5mm ELC18B
RS Stock No. 110-1356
Mfr. Part No.ELC12D182E
BrandPanasonic
£0.335
Each (In a Bag of 500)
Units
1.8 mH 630mA Radial 1.33Ω ±10% - 14mm 12.5mm 16.5mm 14 x 12.5 x 16.5mm Ferrite - 7.5mm ELC12D
RS Stock No. 675-5305
Mfr. Part No.ELC12D182E
BrandPanasonic
£0.344
Each (In a Pack of 5)
Units
1.8 mH 630mA Radial 1.33Ω ±10% - 14mm 12.5mm 16.5mm 14 x 12.5 x 16.5mm Ferrite - 7.5mm ELC12D