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. 170-5162
Mfr. Part No.RB6122-50-0M3
BrandSchaffner
SGD20.96
Each (In a Box of 64)
units
250 μH 50A Radial 0.9mΩ -30 → +50% - 61mm 57.8mm 38mm 61 x 57.8 x 38mm - 400Hz 5.08mm RB
RS Stock No. 465-6168
Mfr. Part No.RD5122-16-2M0
BrandSchaffner
SGD24.28
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. 883-7803
Mfr. Part No.RS614-4-02
BrandSchaffner
SGD7.238
Each (In a Pack of 25)
units
10 (Dual Load) μH, 40 (Dual Load) μH 4A Radial 20 (Dual Load) mΩ, 40 (Single Load) mΩ - - 15.5mm 23mm 25mm 15.5 x 23 x 25mm - 18 (Single Load) MHz, 22 (Dual Load) MHz 10mm RS
RS Stock No. 769-0574
Mfr. Part No.RB6122-50-0M3
BrandSchaffner
SGD24.44
Each
units
250 μH 50A Radial 0.9mΩ -30 → +50% - 61mm 57.8mm 38mm 61 x 57.8 x 38mm - 400Hz 5.08mm RB
RS Stock No. 769-0568
Mfr. Part No.RB6122-16-1M0
BrandSchaffner
SGD18.17
Each
units
1 mH 16A Radial 4.8mΩ -30 → +50% - 53.3mm 51.34mm 41.5mm 53.3 x 51.34 x 41.5mm - 400Hz 15.24mm RB
RS Stock No. 883-7784
Mfr. Part No.RS612-0.5-02
BrandSchaffner
SGD7.491
Each (In a Pack of 25)
units
1 (Dual Load) mH, 250 (Dual Load) μH 500mA Radial 1.3 (Single Load) Ω, 650 (Dual Load) mΩ - - 12.5mm 18mm 20mm 12.5 x 18 x 20mm - 2 (Single Load) MHz, 8 (Dual Load) MHz 15mm RS
RS Stock No. 162-0579
Mfr. Part No.RB6122-16-1M0
BrandSchaffner
SGD14.746
Each (In a Box of 90)
units
1 mH 16A Radial 4.8mΩ -30 → +50% - 53.3mm 51.34mm 41.5mm 53.3 x 51.34 x 41.5mm - 400Hz 15.24mm RB
RS Stock No. 883-9156
Mfr. Part No.RD7137-16-2M8
BrandSchaffner
SGD36.244
Each (In a Pack of 10)
units
2.8 mH 16A Lead Wire, Through Hole 10.7mΩ -30 → +50% 70mm - - 40mm 70 (Dia.) x 40mm - - - RD
RS Stock No. 883-7780
Mfr. Part No.RS514-4-02
BrandSchaffner
SGD7.491
Each (In a Pack of 25)
units
10 (Dual Load) μH, 40 (Dual Load) μH 4A Radial 20 (Dual Load) mΩ, 40 (Single Load) mΩ - - 21.5mm 22.5mm 13.2mm 21.5 x 22.5 x 13.2mm - 18 (Single Load) MHz, 22 (Dual Load) MHz 20.1mm RS
RS Stock No. 883-7793
Mfr. Part No.RS612-2-02
BrandSchaffner
SGD7.491
Each (In a Pack of 25)
units
16 (Dual Load) μH, 65 (Dual Load) μH 2A Radial 30 (Dual Load) mΩ, 60 (Single Load) mΩ - - 12.5mm 18mm 20mm 12.5 x 18 x 20mm - 17 (Single Load) MHz, 25 (Dual Load) MHz 15mm RS
RS Stock No. 170-5023
Mfr. Part No.RN102-0,3-02
BrandSchaffner
SGD2.475
Each (In a Box of 600)
units
12 mH 300mA Through Hole 1275mΩ -30 → +50% - 14mm 14mm 9mm 14 x 14 x 9mm - - 10mm RN
RS Stock No. 170-5091
Mfr. Part No.RD5132-6-5M0
BrandSchaffner
SGD21.097
Each (In a Box of 105)
units
5 mH 6A Lead Wire 38mΩ -30 → +50% 50mm - - 35mm 50 (Dia.) x 35mm - - - RD
RS Stock No. 883-9130
Mfr. Part No.RD6137-10-4M5
BrandSchaffner
SGD26.353
Each (In a Pack of 14)
units
4.5 mH 10A Lead Wire, Through Hole 18.35mΩ -30 → +50% 60mm - - 35mm 60 (Dia.) x 35mm - - - RD
RS Stock No. 769-0600
Mfr. Part No.RB6522-50-0M3
BrandSchaffner
SGD26.01
Each
units
250 μH 50A Radial 0.9mΩ -30 → +50% - 50mm 43.4mm 58mm 50 x 43.4 x 58mm - 400Hz 5.08mm RB
RS Stock No. 883-9222
Mfr. Part No.RI401PC
BrandSchaffner
SGD10.31
Each (In a Pack of 100)
units
3 mH 1.5A Lead Wire, Through Hole 620mΩ - - 19.5mm 19.5mm 15mm 19.5 x 19.5 x 15mm - - 7.5mm, 12.5 mm RI
RS Stock No. 170-5166
Mfr. Part No.RB8522-25-2M0
BrandSchaffner
SGD24.33
Each (In a Box of 40)
units
2 mH 25A Radial 4.2mΩ -30 → +50% - 54mm 45.9mm 68mm 54 x 45.9 x 68mm - 400Hz 20.32mm RB
RS Stock No. 769-0578
Mfr. Part No.RB8522-16-3M0
BrandSchaffner
SGD20.17
Each
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. 170-5163
Mfr. Part No.RB8522-16-3M0
BrandSchaffner
SGD16.46
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. 465-6146
Mfr. Part No.RD5122-10-6M0
BrandSchaffner
SGD19.27
Each
units
6 mH 10A Lead Wire 24.25mΩ -30 → +50% 50.5mm - - 35.5mm 50.5 (Dia.) x 35.5mm - - - RD
RS Stock No. 769-0562
Mfr. Part No.RB6122-25-0M6
BrandSchaffner
SGD18.19
Each
units
640 μH 25A Radial 2.7mΩ -30 → +50% - 53.3mm 51.34mm 41.5mm 53.3 x 51.34 x 41.5mm - 400Hz 15.24mm RB