Leaded Inductors

Leaded inductors are components with through hole features and leads attached concentrically to the opposite ends of the inductor cores. They 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.

What are leaded inductors used for?

They are used to suppress asymmetrical interferences in low-voltage and high-voltage circuits.

With low voltages, they act as continuous circuits to keep the current flowing if there are interferences. With high voltages, they are able to prevent current from flowing due to their high resistance, thus are used to protect the circuit from voltage spikes.

Types of leaded inductors

Leaded inductors come in two main categories:

  • 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. 800-4350
Mfr. Part No.11R104C
TWD9.40
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. 170-9318
Mfr. Part No.11R104C
TWD8.40
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. 638-7921
Mfr. Part No.22R105C
TWD19.60
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
TWD58.00
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. 106-7770
Mfr. Part No.22R686C
TWD24.80
Each (In a Bag of 100)
units
68 mH 18mA Radial 242Ω ±10% - 7.7mm - 10.5mm - - 200kHz 3mm 2200R
RS Stock No. 715-7100
Mfr. Part No.51505C
TWD91.00
Each
units
5 mH 1.2A Radial 197mΩ - - 21.75mm 10mm 24mm 21.75 x 10 x 24mm - - 12.7mm 5100
RS Stock No. 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. 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. 106-7756
Mfr. Part No.22R105C
TWD17.40
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. 106-8886
Mfr. Part No.51505C
TWD77.20
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
TWD81.20
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. 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. 170-9251
Mfr. Part No.15102C
TWD55.90
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. 167-6212
Mfr. Part No.13R226C
TWD17.40
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. 106-7739
Mfr. Part No.1410478C
TWD132.70
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. 905-4970
Mfr. Part No.13R226C
TWD19.60
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. 170-9276
Mfr. Part No.12LRS105C
TWD20.00
Each (On a Reel of 250)
units
1 mH 400mA Radial 2.3Ω ±15% 10.5mm - - 8.5mm 10.5 (Dia.) x 8.5mm - - 5mm 1200LRS
RS Stock No. 170-9239
Mfr. Part No.1468507C
TWD85.20
Each (On a Reel of 25)
units
6.8 mH 700mA Radial 2.214Ω ±10% - 26.7mm 25.9mm 20mm 26.7 x 25.9 x 20mm - 400kHz 23mm 1400
RS Stock No. 228-595
Mfr. Part No.1422455C
TWD134.00
Each
units
220 μH 5.5A Radial 62mΩ ±10% - 32.1mm 29.8mm 21.8mm 32.1 x 29.8 x 21.8mm - 2.2MHz 29.1mm 1400
RS Stock No. 106-7917
Mfr. Part No.15103C
TWD55.90
Each (In a Box of 40)
units
10 μH 9.01A Radial 10.6mΩ ±10% 16.8mm - - 21.3mm 16.8 (Dia.) x 21.3mm - 30MHz 14.5mm 1500