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. 167-8218
Mfr. Part No.B82111E0000C020
BrandEPCOS
HK$5.691
Each (On a Reel of 1000)
units
7 μH 6A Axial 20mΩ ±20% 7.5mm 27.4mm - - 7.5 (Dia.) x 27.4mm Ferrite 180MHz - B82111E
RS Stock No. 213-1869
Mfr. Part No.B82111E0000C020
BrandEPCOS
HK$14.19
Each
units
7 μH 6A Axial 20mΩ ±20% 7.5mm 27.4mm - - 7.5 (Dia.) x 27.4mm Ferrite 180MHz - B82111E
RS Stock No. 811-8780
Mfr. Part No.RLB0914-331KL
BrandBourns
HK$2.472
Each (In a Bag of 10)
units
330 μH 600mA Radial 760mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 2MHz 5mm RLB
RS Stock No. 172-9569
Mfr. Part No.RLB0914-331KL
BrandBourns
HK$1.625
Each (In a Bag of 200)
units
330 μH 600mA Radial 760mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 2MHz 5mm RLB
RS Stock No. 163-3397
Mfr. Part No.744823601
HK$31.464
Each (In a Box of 90)
units
1 mH 6A Radial 13mΩ ±30% - 25mm 17mm 26.5mm 25 x 17 x 26.5mm - - 10.7mm WE-CMB
RS Stock No. 811-8859
Mfr. Part No.RLB0608-102KL
BrandBourns
HK$1.73
Each (In a Bag of 10)
units
1 mH 100mA Radial 11.5Ω ±10% 5mm - - 6.5mm 5 (Dia.) x 6.5mm Ferrite 1.8MHz 2mm RLB
RS Stock No. 172-8319
Mfr. Part No.RLB0608-102KL
BrandBourns
HK$1.064
Each (In a Bag of 800)
units
1 mH 100mA Radial - ±10% 5mm - - 6.5mm 5 (Dia.) x 6.5mm Ferrite 1.8MHz 2mm RLB
RS Stock No. 432-4401
Mfr. Part No.744772101
HK$8.013
Each (In a Pack of 10)
units
100 μH 900mA Radial 190mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 163-3340
Mfr. Part No.744772101
HK$6.118
Each (In a Tray of 140)
units
100 μH 900mA Radial 190mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS Stock No. 489-0267
Mfr. Part No.744823601
HK$43.63
Each
units
1 mH 6A Radial 13mΩ ±30% - 25mm 17mm 26.5mm 25 x 17 x 26.5mm - - 10.7mm WE-CMB
RS Stock No. 191-0598
Mfr. Part No.B78108S1104J000
BrandEPCOS
HK$2.923
Each (In a Pack of 10)
units
100 μH 370mA Axial 1.7Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 5MHz - BC
RS Stock No. 219-3429
Mfr. Part No.RN222-4-02-3M3
BrandSchaffner
HK$20.11
Each
units
3.3 mH 4A Radial 45mΩ -30 → +50% - 31.3mm 18.3mm 29.6mm 31.3 x 18.3 x 29.6mm - - 12.5mm RN
RS Stock No. 106-7738
Mfr. Part No.1410604C
HK$19.836
Each (In a Box of 25)
units
10 mH 400mA Radial 4.34Ω ±10% - 26.6mm 25.9mm 15.5mm 26.6 x 25.9 x 15.5mm - 400kHz 22.9mm 1400
RS Stock No. 191-1175
Mfr. Part No.B82144A2105J000
BrandEPCOS
HK$5.48
Each (In a Pack of 5)
units
1 mH 200mA Axial 3.8Ω ±5% 5.2mm 14.8mm - - 5.2 (Dia.) x 14.8mm Ferrite 1.2MHz - LBC
RS Stock No. 489-0318
Mfr. Part No.744824101
HK$46.54
Each
units
1 mH 10A Radial 7mΩ ±30% - 27.5mm 18.5mm 33mm 27.5 x 18.5 x 33mm - - 10mm WE-CMB
RS Stock No. 228-163
BrandRS PRO
HK$22.99
Each
units
47 μH 760mA Axial - - 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite - - APIE0309
RS Stock No. 106-7781
Mfr. Part No.1430450C
HK$32.433
Each (In a Box of 15)
units
300 μH 5A Radial 80mΩ ±10% - 33.3mm 31.3mm 23.3mm 33.3 x 31.3 x 23.3mm - 1.7MHz 29mm 1400
RS Stock No. 736-0974
Mfr. Part No.2309-V-RC
BrandBourns
HK$33.20
Each
units
47 μH 10.7A Radial 16mΩ ±15% 32.51mm - 0.65in - 32.512 (Dia.) x 16.51mm - - 13.462mm 2300
RS Stock No. 124-1528
Mfr. Part No.7447070
HK$28.994
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. 172-7286
Mfr. Part No.2309-V-RC
BrandBourns
HK$27.676
Each (In a Bag of 50)
units
47 μH 10.7A Radial - ±15% 32.51mm - 0.65in - 32.512 (Dia.) x 16.51mm - - 13.462mm 2300