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. 163-3299
Mfr. Part No.7447076
TWD165.10
Each (In a Box of 30)
units
150 μH 6.1A Lead Wire 45mΩ ±20% 27.5mm - 14mm - 27.5 (Dia.) x 14mm Composite Iron Powder - 11.5mm WE-FI
RS Stock No. 308-8794
Mfr. Part No.7447076
TWD151.00
Each
units
150 μH 6.1A Lead Wire 45mΩ ±20% 27.5mm - 14mm - 27.5 (Dia.) x 14mm Composite Iron Powder - 11.5mm WE-FI
RS Stock No. 308-8817
Mfr. Part No.74470292
TWD80.00
Each
units
130 μH 2.9A Lead Wire 90mΩ ±20% 17.5mm - 13mm - 17.5 (Dia.) x 13mm Composite Iron Powder - 14mm WE-FI
RS Stock No. 124-1528
Mfr. Part No.7447070
TWD108.20
Each (In a Pack of 5)
units
100 μH 6A Through Hole 35mΩ ±20% 25mm - - 11mm 25 (Dia.) x 11mm Ferrite, Iron Powder - 8mm WE-FI
RS Stock No. 124-1530
Mfr. Part No.7447060
TWD71.40
Each (In a Pack of 5)
units
300 μH 2.5A Through Hole 150mΩ ±20% 21mm - - 11mm 21 (Dia.) x 11mm Ferrite, Iron Powder - 9mm WE-FI
RS Stock No. 163-3295
Mfr. Part No.74470292
TWD84.00
Each (In a Bag of 150)
units
130 μH 2.9A Lead Wire 90mΩ ±20% 17.5mm - 13mm - 17.5 (Dia.) x 13mm Composite Iron Powder - 14mm WE-FI
RS Stock No. 163-3723
Mfr. Part No.7447036
TWD39.10
Each (In a Bag of 300)
units
220 μH 1.6A Lead Wire 220mΩ ±20% 14mm - 7.5mm - 14 (Dia.) x 7.5mm Composite Iron Powder - 6mm WE-FI
RS Stock No. 617-1366
Mfr. Part No.744132
TWD99.00
Each
units
49 μH 5.8A Lead Wire 50mΩ ±20% 21mm - 9.5mm - 21 (Dia.) x 9.5mm Ferrite - 8.5mm WE-SI
RS Stock No. 308-8744
Mfr. Part No.7447075
TWD162.00
Each
units
860 μH 3A Lead Wire 150mΩ ±20% 28.5mm - 16mm - 28.5 (Dia.) x 16mm Composite Iron Powder - 14mm WE-FI
RS Stock No. 163-3633
Mfr. Part No.744116
TWD70.20
Each (In a Bag of 200)
units
345 μH 2.1A Lead Wire 200mΩ ±20% 18.5mm - 9.5mm - 18.5 (Dia.) x 9.5mm Ferrite - 8mm WE-SI
RS Stock No. 334-9178
Mfr. Part No.744119
TWD85.00
Each
units
890 μH 2A Lead Wire 400mΩ ±20% 30mm - 14mm - 30 (Dia.) x 14mm Ferrite - 13mm WE-SI
RS Stock No. 124-1531
Mfr. Part No.7447010
TWD83.40
Each (In a Pack of 5)
units
470 μH 1.6A Through Hole 225mΩ ±20% 18.5mm - - 9.5mm 18.5 (Dia.) x 9.5mm Ferrite, Iron Powder - 9mm WE-FI
RS Stock No. 163-3635
Mfr. Part No.744135
TWD84.20
Each (In a Bag of 100)
units
157 μH 5.1A Lead Wire 63mΩ ±20% 31mm - 13.5mm - 31 (Dia.) x 13.5mm Ferrite - 10mm WE-SI
RS Stock No. 308-8801
Mfr. Part No.7447028
TWD61.00
Each
units
150 μH 1.9A Lead Wire 130mΩ ±20% 16mm - 7.5mm - 16 (Dia.) x 7.5mm Composite Iron Powder - 7mm WE-FI
RS Stock No. 334-9190
Mfr. Part No.744137
TWD166.00
Each
units
630 μH 3.1A Lead Wire 175mΩ ±20% 31mm - 15mm - 31 (Dia.) x 15mm Ferrite - 13mm WE-SI
RS Stock No. 163-3632
Mfr. Part No.744115
TWD65.50
Each (In a Bag of 200)
units
200 μH 2.2A Lead Wire 180mΩ ±20% 18mm - 9mm - 18 (Dia.) x 9mm Ferrite - 7.5mm WE-SI
RS Stock No. 163-3634
Mfr. Part No.744132
TWD81.90
Each (In a Bag of 100)
units
49 μH 5.8A Lead Wire 50mΩ ±20% 21mm - 9.5mm - 21 (Dia.) x 9.5mm Ferrite - 8.5mm WE-SI
RS Stock No. 163-3226
Mfr. Part No.744134
TWD58.50
Each (In a Bag of 100)
units
92 μH 5.4A Lead Wire 50mΩ ±20% 31mm - 13mm - 31 (Dia.) x 13mm Ferrite - 10mm WE-SI
RS Stock No. 163-3230
Mfr. Part No.744150
TWD72.20
Each (In a Tray of 30)
units
26 μH 10.3A Lead Wire 15mΩ ±20% 28.5mm - 14.5mm - 28.5 (Dia.) x 14.5mm Ferrite - 11.5mm WE-SI
RS Stock No. 163-3294
Mfr. Part No.7447028
TWD50.10
Each (In a Bag of 300)
units
150 μH 1.9A Lead Wire 130mΩ ±20% 16mm - 7.5mm - 16 (Dia.) x 7.5mm Composite Iron Powder - 7mm WE-FI