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. 104-8448
BrandRS PRO
€4.41
Each (In a Pack of 2)
units
100 μH 10A Radial 0.044mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 173-0053
BrandRS PRO
€1.807
Each (In a Box of 60)
units
150 μH 5A Radial 94mΩ ±15% 41mm - - 13mm 41 (Dia.) x 13mm - - - DP
RS Stock No. 104-8446
BrandRS PRO
€1.86
Each (In a Pack of 5)
units
150 μH 5A Radial 0.094mΩ ±15% 41mm - - 13mm 41 (Dia.) x 13mm - - - DP
RS Stock No. 173-0065
BrandRS PRO
€4.069
Each (In a Box of 36)
units
100 μH 1A Radial 44mΩ ±15% 50mm - - 21mm 50 (Dia.) x 21mm - - - DP
RS Stock No. 104-8439
BrandRS PRO
€0.918
Each (In a Pack of 5)
units
47 μH 5A Radial 0.043mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 104-8440
BrandRS PRO
€0.976
Each (In a Pack of 5)
units
68 μH 5A Radial 0.055mΩ ±15% 26mm - - 12mm 26 (Dia.) x 12mm - - - DP
RS Stock No. 104-8443
BrandRS PRO
€1.336
Each (In a Pack of 5)
units
100 μH 5A Radial 0.059mΩ ±15% 30mm - - 13mm 30 (Dia.) x 13mm - - - DP
RS Stock No. 173-0042
BrandRS PRO
€1.224
Each (In a Box of 96)
units
100 μH 5A Radial 59mΩ ±15% 30mm - - 13mm 30 (Dia.) x 13mm - - - DP
RS Stock No. 173-0039
BrandRS PRO
€0.837
Each (In a Box of 160)
units
68 μH 5A Radial 55mΩ ±15% 26mm - - 12mm 26 (Dia.) x 12mm - - - DP
RS Stock No. 173-0040
BrandRS PRO
€1.006
Each (In a Box of 160)
units
150 μH 3A Radial 107mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 173-0038
BrandRS PRO
€0.897
Each (In a Box of 160)
units
47 μH 5A Radial 43mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 104-8437
BrandRS PRO
€1.158
Each (In a Pack of 5)
units
150 μH 3A Radial 0.107mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 173-0031
BrandRS PRO
€0.707
Each (In a Box of 300)
units
47 μH 3A Radial 48mΩ ±15% 20mm - - 8mm 20 (Dia.) x 8mm - - - DP
RS Stock No. 228-135
BrandRS PRO
€1.26
Each
units
4.7 μH 1.7A Axial 68mΩ ±10% 3.3mm 9.14mm - 9.14mm 3.3 (Dia.) x 9.14mm Ferrite 95MHz - APIE0309
RS Stock No. 173-0032
BrandRS PRO
€0.707
Each (In a Box of 300)
units
100 μH 2A Radial 109mΩ ±15% 19mm - - 8mm 19 (Dia.) x 8mm - - - DP
RS Stock No. 173-0037
BrandRS PRO
€0.897
Each (In a Box of 160)
units
100 μH 3A Radial 80mΩ ±15% 25mm - - 12mm 25 (Dia.) x 12mm - - - DP
RS Stock No. 173-0048
BrandRS PRO
€1.921
Each (In a Box of 96)
units
47 μH 7.5A Radial 26mΩ ±15% 31mm - - 14mm 31 (Dia.) x 14mm - - - DP
RS Stock No. 104-8426
BrandRS PRO
€1.248
Each (In a Pack of 5)
units
470 μH 500mA Radial 0.322mΩ ±15% 20mm - - 9mm 20 (Dia.) x 9mm - - - DP
RS Stock No. 104-8441
BrandRS PRO
€1.298
Each (In a Pack of 5)
units
220 μH 3A Radial 0.134mΩ ±15% 29mm - - 13mm 29 (Dia.) x 13mm - - - DP
RS Stock No. 104-8420
BrandRS PRO
€1.814
Each (In a Pack of 5)
units
150 μH 1A Radial 0.123mΩ ±15% 15mm - - 9mm 15 (Dia.) x 9mm - - - DP