Leaded Inductors

Leaded inductors are components that 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 as opposed to an electric field, which is stored by a capacitor. These inductors can found in several different shapes, including radial, axial and through-hole components and leads attached concentrically to the opposite ends of the inductor cores or as linear components. At RS Components, we have a varied range of leaded inductors, including axial, radial, through-hole and panel-mount inductors, with products from brands such as Bourns, EPCOS, Murata Power Solutions, Panasonic, Wurth Elektronik and our own RS PRO brand.

What are leaded inductors used for?

Leaded inductors are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits. They typically have ferrite cores, however it is possible to find leaded inductors with cores made of other materials, such as nano crystalline or iron. With low or DC voltages, they act as continuous circuits to keep the current flowing if there are interferences but otherwise have no effect on the signal. With high voltage applications, they are able to prevent the current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes and prevent damages.

Types of leaded inductors

Leaded inductors come in two main categories, VHF-choke and RF-choke:

  • 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. 920-7017
Mfr. Part No.ELC09D151F
BrandPanasonic
SGD0.478
Each (In a Bag of 500)
units
150 μH 740mA Radial 320mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 233-5370
Mfr. Part No.ELC18B220L
BrandPanasonic
SGD2.29
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
SGD1.576
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. 233-5106
Mfr. Part No.ELC08D3R3E
BrandPanasonic
SGD1.374
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. 110-1293
Mfr. Part No.ELC08D3R3E
BrandPanasonic
SGD0.523
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. 110-1373
Mfr. Part No.ELC11D471F
BrandPanasonic
SGD0.657
Each (In a Bag of 500)
units
470 μH 820mA Radial 490mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D
RS Stock No. 110-1764
Mfr. Part No.ELC16B331L
BrandPanasonic
SGD0.809
Each (In a Bag of 500)
units
330 μH 1.5A Radial 200mΩ ±10% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS Stock No. 110-1343
Mfr. Part No.ELC10D331E
BrandPanasonic
SGD0.621
Each (In a Bag of 500)
units
330 μH 900mA Radial 320mΩ ±10% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 540-8522
Mfr. Part No.ELC09D120F
BrandPanasonic
SGD1.218
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. 675-5567
Mfr. Part No.ELC16B331L
BrandPanasonic
SGD1.436
Each (In a Pack of 5)
units
330 μH 1.5A Radial 200mΩ ±10% - 16mm - 23mm - Ferrite - 7.5mm ELC16B
RS Stock No. 675-5208
Mfr. Part No.ELC10D331E
BrandPanasonic
SGD1.53
Each (In a Pack of 5)
units
330 μH 900mA Radial 320mΩ ±10% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 675-5431
Mfr. Part No.ELC11D471F
BrandPanasonic
SGD1.544
Each (In a Pack of 5)
units
470 μH 820mA Radial 490mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D
RS Stock No. 920-6985
Mfr. Part No.ELC09D120F
BrandPanasonic
SGD0.458
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. 920-7023
Mfr. Part No.ELC09D471F
BrandPanasonic
SGD0.427
Each (In a Bag of 500)
units
470 μH 390mA Radial 980mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 166-8197
Mfr. Part No.ELC11D181F
BrandPanasonic
SGD0.678
Each (In a Bag of 500)
units
180 μH 1.3A Radial 200mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D
RS Stock No. 675-5214
Mfr. Part No.ELC10D561E
BrandPanasonic
SGD1.672
Each (In a Pack of 5)
units
560 μH 680mA Radial 560mΩ ±10% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 166-8183
Mfr. Part No.ELC10D561E
BrandPanasonic
SGD0.734
Each (In a Bag of 500)
units
560 μH 680mA Radial 560mΩ ±10% - 13mm 10mm 15mm 13 x 10 x 15mm - - 5mm ELC10D
RS Stock No. 540-8724
Mfr. Part No.ELC09D471F
BrandPanasonic
SGD1.218
Each (In a Pack of 5)
units
470 μH 390mA Radial 980mΩ ±10% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D
RS Stock No. 675-5412
Mfr. Part No.ELC11D181F
BrandPanasonic
SGD1.592
Each (In a Pack of 5)
units
180 μH 1.3A Radial 200mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D
RS Stock No. 162-1136
Mfr. Part No.ELC11D391F
BrandPanasonic
SGD0.638
Each (In a Bag of 500)
units
390 μH 950mA Radial 400mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D