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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Omschrijving Prijs 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-stocknr. 870-3306
FabrikantnummerDEHL-10-0001
FabrikantSchurter
4,81 €
Each
Aantal stuks
20 μH 16A Axial 15mΩ ±15% 12mm 58mm - - 12 x 58mm - 30MHz - DEH
RS-stocknr. 870-3319
FabrikantnummerDENO-25-0001
FabrikantSchurter
3,205 €
Each (In a Pack of 50)
Aantal stuks
4 mH 16A Radial 27mΩ - 25mm 18mm - - 25 x 18mm - 300kHz - DENO
RS-stocknr. 717-3483
FabrikantnummerDFKH-14-0002
FabrikantSchurter
2,82 €
Each
Aantal stuks
4 mH 1A Radial 250mΩ -30 → +50% - 15mm 10.5mm 13.5mm 15 x 10.5 x 13.5mm - 1.2MHz 7.5 mm, 12.5 mm DFKH
RS-stocknr. 717-3489
FabrikantnummerDFKH-14-0001
FabrikantSchurter
2,82 €
Each
Aantal stuks
11 mH 600mA Radial 600mΩ -30 → +50% - 15mm 10.5mm 13.5mm 15 x 10.5 x 13.5mm - 500kHz 7.5 mm, 12.5 mm DFKH
RS-stocknr. 717-3552
FabrikantnummerDFSG-33-0002
FabrikantSchurter
9,44 €
Each
Aantal stuks
- 10A Radial 30mΩ - - 33mm 33mm 25.5mm 33 x 33 x 25.5mm Iron - 15 mm, 17.5 mm DFSG
RS-stocknr. 870-3397
FabrikantnummerDKFP-6248-0102
FabrikantSchurter
2,524 €
Each (In a Pack of 176)
Aantal stuks
2 mH 900mA Radial 240mΩ -30 → +50% - 10.7mm 10.5mm 8.2mm 10.7 x 10.5 x 8.2mm - 1.6MHz 6.25, 8.75mm DKFP
RS-stocknr. 870-3394
FabrikantnummerDKFP-6248-D504
FabrikantSchurter
2,524 €
Each (In a Pack of 176)
Aantal stuks
4 mH 500mA Radial 500mΩ -30 → +50% - 10.7mm 10.5mm 8.2mm 10.7 x 10.5 x 8.2mm - 1.2MHz 6.25, 8.75mm DKFP
RS-stocknr. 870-3390
FabrikantnummerDKFP-6248-02D5
FabrikantSchurter
2,524 €
Each (In a Pack of 176)
Aantal stuks
500 μH 2A Radial 50mΩ -30 → +50% - 10.7mm 10.5mm 8.2mm 10.7 x 10.5 x 8.2mm - 4.5MHz 6.25, 8.75mm DKFP
RS-stocknr. 717-3521
FabrikantnummerDFKH-31-0005
FabrikantSchurter
4,41 €
Each
Aantal stuks
6.8 mH 2A Radial 150mΩ -30 → +50% - 31.5mm 18.5mm 33mm 31.5 x 18.5 x 33mm - 500kHz 12.5 mm, 15 mm DFKH