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. 170-4961
Mfr. Part No.RN112-0,6-02
BrandSchaffner
kr 11,545
Each (In a Box of 500)
Units
15 mH 600mA Radial 465mΩ -30 → +50% - 18mm 17.4mm 12.9mm 18 x 17.4 x 12.9mm - - 15mm RN
RS Stock No. 173-5937
Mfr. Part No.RN112-0,6-02
BrandSchaffner
kr 14,36
Each
Units
15 mH 600mA Radial 465mΩ -30 → +50% - 18mm 17.4mm 12.9mm 18 x 17.4 x 12.9mm - - 15mm RN
RS Stock No. 883-9229
Mfr. Part No.RI415
BrandSchaffner
kr 229,603
Each (In a Pack of 77)
Units
300 μH 15A Lead Wire, Through Hole 8mΩ - - 49mm 35mm 34mm 49 x 35 x 34mm - - 30 mm, 36 mm RI
RS Stock No. 219-3429
Mfr. Part No.RN222-4-02-3M3
BrandSchaffner
kr 24,13
Each
Units
3.3 mH 4A Radial 45mΩ -30 → +50% - 31.3mm 18.3mm 29.6mm 31.3 x 18.3 x 29.6mm - - 12.5mm RN
RS Stock No. 883-9168
Mfr. Part No.RD7147-10-3M5
BrandSchaffner
kr 232,371
Each (In a Pack of 10)
Units
3.5 mH 10A Lead Wire, Through Hole 19.1mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 883-9171
Mfr. Part No.RD7147-25-0M7
BrandSchaffner
kr 232,371
Each (In a Pack of 10)
Units
700 μH 25A Lead Wire, Through Hole 3.65mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 465-6203
Mfr. Part No.RD7127-6-25M0
BrandSchaffner
kr 208,37
Each
Units
25 mH 6A Lead Wire 84.2mΩ -30 → +50% 70.5mm - - 40.5mm 70.5 (Dia.) x 40.5mm - - - RD
RS Stock No. 883-9174
Mfr. Part No.RD7147-36-0M2
BrandSchaffner
kr 329,838
Each (In a Pack of 10)
Units
200 μH 36A Lead Wire, Through Hole 2.3mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 170-4963
Mfr. Part No.RN 114-0.3/02
BrandSchaffner
kr 14,238
Each (In a Box of 500)
Units
47 mH 300mA Radial 1.75Ω -30 → +50% - 22.8mm 21.8mm 13.5mm 22.8 x 21.8 x 13.5mm - - 20.1mm RN
RS Stock No. 173-5993
Mfr. Part No.RN114-1.2-02
BrandSchaffner
kr 17,35
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 883-9238
Mfr. Part No.RI425
BrandSchaffner
kr 321,789
Each (In a Pack of 56)
Units
250 μH 25A Lead Wire, Through Hole 4mΩ - - 48mm 48mm 43mm 48 x 48 x 43mm - - 30 mm, 35 mm RI
RS Stock No. 170-5163
Mfr. Part No.RB8522-16-3M0
BrandSchaffner
kr 99,037
Each (In a Box of 60)
Units
3 mH 16A Radial 8.4mΩ -30 → +50% - 50mm 43.4mm 58mm 50 x 43.4 x 58mm - 400Hz 5.08mm RB
RS Stock No. 883-9213
Mfr. Part No.RI111PC
BrandSchaffner
kr 240,256
Each (In a Pack of 42)
Units
3 mH 6A Lead Wire, Through Hole 42mΩ - - 49mm 35mm 34mm 49 x 35 x 34mm - - 20 mm, 40 mm RI
RS Stock No. 465-6247
Mfr. Part No.RD7127-25-2M8
BrandSchaffner
kr 222,43
Each
Units
2.8 mH 25A Lead Wire 6.4mΩ -30 → +50% 70.5mm - - 40.5mm 70.5 (Dia.) x 40.5mm - - - RD
RS Stock No. 465-6297
Mfr. Part No.RD7137-25-1M3
BrandSchaffner
kr 235,69
Each
Units
1.3 mH 25A Lead Wire 4.45mΩ -30 → +50% 70.5mm - - 40.5mm 70.5 (Dia.) x 40.5mm - - - RD
RS Stock No. 219-3233
Mfr. Part No.RN102-0,3-02
BrandSchaffner
kr 16,65
Each
Units
- - - - - - - - - - - - - -
RS Stock No. 465-6168
Mfr. Part No.RD5122-16-2M0
BrandSchaffner
kr 117,75
Each
Units
2 mH 16A Lead Wire 9.5mΩ -30 → +50% 50.5mm - - 35.5mm 50.5 (Dia.) x 35.5mm - - - RD
RS Stock No. 883-9137
Mfr. Part No.RD6127-6-15M0
BrandSchaffner
kr 204,706
Each (In a Pack of 14)
Units
15 mH 6A Lead Wire, Through Hole 66.65mΩ -30 → +50% 50mm - - 35mm 50 (Dia.) x 35mm - - - RD
RS Stock No. 769-0574
Mfr. Part No.RB6122-50-0M3
BrandSchaffner
kr 138,58
Each
Units
250 μH 50A Radial 900µΩ -30 → +50% - 61mm 57.8mm 38mm 61 x 57.8 x 38mm - 400Hz 5.08mm RB
RS Stock No. 769-0600
Mfr. Part No.RB6522-50-0M3
BrandSchaffner
kr 153,54
Each
Units
250 μH 50A Radial 900µΩ -30 → +50% - 50mm 43.4mm 58mm 50 x 43.4 x 58mm - 400Hz 5.08mm RB