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. 883-7793
Mfr. Part No.RS612-2-02
BrandSchaffner
€4.176
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. 883-7780
Mfr. Part No.RS514-4-02
BrandSchaffner
€4.176
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. 170-5023
Mfr. Part No.RN102-0,3-02
BrandSchaffner
€1.37
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. 170-5162
Mfr. Part No.RB6122-50-0M3
BrandSchaffner
€12.638
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. 883-9222
Mfr. Part No.RI401PC
BrandSchaffner
€6.117
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. 883-7816
Mfr. Part No.RS622-2-02
BrandSchaffner
€4.785
Each (In a Pack of 15)
units
69 (Dual Load) μH, 275 (Dual Load) μH 2A Radial 70 (Dual Load) mΩ, 140 (Single Load) mΩ - - 18mm 31mm 29.3mm 18 x 31 x 29.3mm - 3 (Single Load) MHz, 7 (Dual Load) MHz 12.5mm RS
RS Stock No. 883-7762
Mfr. Part No.RS512-2-02
BrandSchaffner
€4.176
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 - - 17.1mm 17.7mm 12.5mm 17.1 x 17.7 x 12.5mm - 17 (Single Load) MHz, 25 (Dual Load) MHz 15mm RS
RS Stock No. 170-5160
Mfr. Part No.RB6122-25-0M6
BrandSchaffner
€9.65
Each (In a Box of 90)
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
RS Stock No. 170-5163
Mfr. Part No.RB8522-16-3M0
BrandSchaffner
€9.934
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. 883-9225
Mfr. Part No.RI406PC
BrandSchaffner
€13.434
Each (In a Pack of 300)
units
1.2 mH 6A Lead Wire, Through Hole 53mΩ - - 28.5mm 28.5mm 21.5mm 28.5 x 28.5 x 21.5mm - - 10 mm, 20mm RI
RS Stock No. 170-5171
Mfr. Part No.RB6132-36-0M4
BrandSchaffner
€16.661
Each (In a Box of 32)
units
420 μH 36A Radial 1.4mΩ -30 → +50% - 67.9mm 66.9mm 52mm 67.9 x 66.9 x 52mm - 400Hz 5.08mm RB
RS Stock No. 769-0562
Mfr. Part No.RB6122-25-0M6
BrandSchaffner
€10.61
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
RS Stock No. 219-3205
Mfr. Part No.RS622-4-02
BrandSchaffner
€9.49
Each
units
15 μH 4A Radial 30mΩ - - 31.3mm 18.3mm 29.6mm 31.3 x 18.3 x 29.6mm - 13MHz 12.5mm RS
RS Stock No. 219-3148
Mfr. Part No.RS612-1-02
BrandSchaffner
€5.75
Each
units
55 μH 1A Radial 130mΩ - - 18.3mm 12.8mm 20.3mm 18.3 x 12.8 x 20.3mm - 20MHz 15mm RS
RS Stock No. 883-7790
Mfr. Part No.RS614-0.5-02
BrandSchaffner
€4.176
Each (In a Pack of 25)
units
2.375 (Dual Load) mH, 600 (Dual Load) μH 500mA Radial 1.6 (Single Load) Ω, 800 (Dual Load) mΩ - - 15.5mm 23mm 25mm 15.5 x 23 x 25mm - 2.5 (Single Load) MHz, 7 (Dual Load) MHz 10mm RS
RS Stock No. 883-9238
Mfr. Part No.RI425
BrandSchaffner
€31.308
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, 35mm RI
RS Stock No. 465-6247
Mfr. Part No.RD7127-25-2M8
BrandSchaffner
€22.31
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. 883-9143
Mfr. Part No.RD6137-6-7M5
BrandSchaffner
€22.968
Each (In a Pack of 14)
units
7.5 mH 6A Lead Wire, Through Hole 49mΩ -30 → +50% 60mm - - 35mm 60 (Dia.) x 35mm - - - RD
RS Stock No. 883-9229
Mfr. Part No.RI415
BrandSchaffner
€23.029
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, 36mm RI
RS Stock No. 170-5174
Mfr. Part No.RB8532-36-0M8
BrandSchaffner
€24.499
Each (In a Box of 16)
units
830 μH 36A Radial 2.3mΩ -30 → +50% - 63mm 63mm 82mm 63 x 63 x 82mm - 400Hz 5.08mm RB