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. 308-8794
Mfr. Part No.7447076
TWD170.00
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. 163-3299
Mfr. Part No.7447076
TWD153.60
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. 308-8817
Mfr. Part No.74470292
TWD79.00
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
TWD102.80
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. 163-3295
Mfr. Part No.74470292
TWD57.90
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. 124-1530
Mfr. Part No.7447060
TWD75.20
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. 617-1417
Mfr. Part No.744154
TWD289.00
Each
units
172 μH 6.5A Lead Wire 55mΩ ±20% 32mm - 15.5mm - 32 (Dia.) x 15.5mm Ferrite - 13mm WE-SI
RS Stock No. 334-9178
Mfr. Part No.744119
TWD217.00
Each
units
890 μH 2A Lead Wire 400mΩ ±20% 30mm - 14mm - 30 (Dia.) x 14mm Ferrite - 13mm WE-SI
RS Stock No. 308-9551
Mfr. Part No.7447034
TWD75.00
Each
units
43 μH 2.6A Lead Wire 60mΩ ±20% 13mm - 6.5mm - 13 (Dia.) x 6.5mm Composite Iron Powder - 4.5mm WE-FI
RS Stock No. 334-9140
Mfr. Part No.744133
TWD52.00
Each
units
75 μH 5.8A Lead Wire 40mΩ ±20% 24mm - 13mm - 24 (Dia.) x 13mm Ferrite - 11.5mm WE-SI
RS Stock No. 124-1529
Mfr. Part No.7447020
TWD50.40
Each (In a Pack of 5)
units
220 μH 2A Through Hole 160mΩ ±20% 15.8mm - - 7.5mm 15.8 (Dia.) x 7.5mm Ferrite, Iron Powder - 7mm WE-FI
RS Stock No. 163-3297
Mfr. Part No.7447034
TWD62.50
Each (In a Tray of 100)
units
43 μH 2.6A Lead Wire 60mΩ ±20% 13mm - 6.5mm - 13 (Dia.) x 6.5mm Composite Iron Powder - 4.5mm WE-FI
RS Stock No. 163-3227
Mfr. Part No.744136
TWD138.40
Each (In a Bag of 25)
units
346 μH 3.8A Lead Wire 140mΩ ±20% 31mm - 15mm - 31 (Dia.) x 15mm Ferrite - 13mm WE-SI
RS Stock No. 124-1527
Mfr. Part No.7447021
TWD62.20
Each (In a Pack of 5)
units
100 μH 2.5A Through Hole 80mΩ ±20% 15.5mm - - 8mm 15.5 (Dia.) x 8mm Ferrite, Iron Powder - 7mm WE-FI
RS Stock No. 308-8845
Mfr. Part No.7447033
TWD66.00
Each
units
68 μH 2.8A Lead Wire 55mΩ ±20% 14mm - 8mm - 14 (Dia.) x 8mm Composite Iron Powder - 6mm WE-FI
RS Stock No. 163-3635
Mfr. Part No.744135
TWD133.80
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. 432-4439
Mfr. Part No.7441501
TWD105.00
Each
units
12 μH 14.5A Lead Wire 8mΩ ±20% 28.5mm - 14.5mm - 28.5 (Dia.) x 14.5mm Ferrite - 12mm WE-SI
RS Stock No. 617-1344
Mfr. Part No.744116
TWD74.00
Each
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. 334-9190
Mfr. Part No.744137
TWD147.00
Each
units
630 μH 3.1A Lead Wire 175mΩ ±20% 31mm - 15mm - 31 (Dia.) x 15mm Ferrite - 13mm WE-SI
RS Stock No. 334-9162
Mfr. Part No.744134
TWD59.00
Each
units
92 μH 5.4A Lead Wire 50mΩ ±20% 31mm - 13mm - 31 (Dia.) x 13mm Ferrite - 10mm WE-SI