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. 170-9318
Mfr. Part No.11R104C
TWD9.30
Each (On a Reel of 200)
units
100 μH 350mA - 1.1Ω ±10% 5mm - - 7.5mm 5 (Dia.) x 7.5mm - 1kHz 2mm 1100R
RS Stock No. 800-4350
Mfr. Part No.11R104C
TWD10.40
Each (In a Bag of 5)
units
100 μH 350mA - 1.1Ω ±10% 5mm - - 7.5mm 5 (Dia.) x 7.5mm - 1kHz 2mm 1100R
RS Stock No. 715-7100
Mfr. Part No.51505C
TWD93.00
Each
units
5 mH 1.2A Radial 197mΩ - - 21.75mm 10mm 24mm 21.75 x 10 x 24mm - - 12.7mm 5100
RS Stock No. 228-551
Mfr. Part No.1410516C
TWD87.00
Each
units
1 mH 1.6A Radial 419mΩ ±10% - 27.1mm 25.9mm 15.5mm 27.1 x 25.9 x 15.5mm - 1.4MHz 23.2mm 1400
RS Stock No. 170-9251
Mfr. Part No.15102C
TWD57.00
Each (On a Reel of 40)
units
1 μH 16.2A Radial 2.76Ω ±20% 16.8mm - - 21.3mm 16.8 (Dia.) x 21.3mm - 142MHz 13.6mm 1500
RS Stock No. 638-7921
Mfr. Part No.22R105C
TWD20.00
Each (In a Pack of 10)
units
1 mH 170mA Radial 3.63Ω ±10% - 7.7mm - 10.5mm - - 2.1MHz 3mm 2200R
RS Stock No. 715-7131
Mfr. Part No.15102C
TWD59.00
Each
units
1 μH 16.2A Radial 2.76Ω ±20% 16.8mm - - 21.3mm 16.8 (Dia.) x 21.3mm - 142MHz 13.6mm 1500
RS Stock No. 106-8886
Mfr. Part No.51505C
TWD78.70
Each (In a Tray of 60)
units
5 mH 1.2A Radial 197mΩ - - 21.75mm 10mm 24mm 21.75 x 10 x 24mm - - 12.7mm 5100
RS Stock No. 106-7736
Mfr. Part No.1410516C
TWD82.80
Each (In a Box of 25)
units
1 mH 1.6A Radial 419mΩ ±10% - 27.1mm 25.9mm 15.5mm 27.1 x 25.9 x 15.5mm - 1.4MHz 23.2mm 1400
RS Stock No. 106-7756
Mfr. Part No.22R105C
TWD18.30
Each (In a Bag of 100)
units
1 mH 170mA Radial 3.63Ω ±10% - 7.7mm - 10.5mm - - 2.1MHz 3mm 2200R
RS Stock No. 715-6747
Mfr. Part No.22R686C
TWD28.90
Each (In a Pack of 10)
units
68 mH 18mA Radial 242Ω ±10% - 7.7mm - 10.5mm - - 200kHz 3mm 2200R
RS Stock No. 106-7739
Mfr. Part No.1410478C
TWD135.30
Each (In a Box of 15)
units
100 μH 7.8A Radial 40mΩ ±10% - 32.4mm 29.8mm 21.8mm 32.4 x 29.8 x 21.8mm - 3.3MHz 29.3mm 1400
RS Stock No. 167-6212
Mfr. Part No.13R226C
TWD18.30
Each (In a Box of 200)
units
22 mH 70mA Through Hole 48Ω ±10% 9.5mm - - 13.5mm 9.5 (Dia.) x 13.5 (H)mm - 1kHz 5mm 1300R
RS Stock No. 228-589
Mfr. Part No.1410478C
TWD141.00
Each
units
100 μH 7.8A Radial 40mΩ ±10% - 32.4mm 29.8mm 21.8mm 32.4 x 29.8 x 21.8mm - 3.3MHz 29.3mm 1400
RS Stock No. 106-7770
Mfr. Part No.22R686C
TWD25.20
Each (In a Bag of 100)
units
68 mH 18mA Radial 242Ω ±10% - 7.7mm - 10.5mm - - 200kHz 3mm 2200R
RS Stock No. 905-4970
Mfr. Part No.13R226C
TWD20.00
Each (In a Bag of 5)
units
22 mH 70mA Through Hole 48Ω ±10% 9.5mm - - 13.5mm 9.5 (Dia.) x 13.5 (H)mm - 1kHz 5mm 1300R
RS Stock No. 715-6765
Mfr. Part No.1468373C
TWD92.00
Each
units
68 μH 7.3A Radial 22mΩ ±10% - 28.5mm 25.9mm 20mm 28.5 x 25.9 x 20mm - 5.3MHz 23.9mm 1400
RS Stock No. 106-7783
Mfr. Part No.1410517C
TWD86.80
Each (In a Box of 25)
units
1 mH 1.7A Radial 336mΩ ±10% - 27.2mm 25.9mm 20mm 27.2 x 25.9 x 20mm - 1.2MHz 23.3mm 1400
RS Stock No. 106-7753
Mfr. Part No.22R334C
TWD18.30
Each (In a Bag of 100)
units
330 μH 380mA Radial 1.21Ω ±10% - 7.7mm - 10.5mm - - 3.7MHz 3mm 2200R
RS Stock No. 106-7784
Mfr. Part No.1415514C
TWD86.80
Each (In a Box of 25)
units
1.5 mH 1.4A Radial 518mΩ ±10% - 27.1mm 25.9mm 20mm 27.1 x 25.9 x 20mm - 800kHz 23.2mm 1400