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. 172-9569
Mfr. Part No.RLB0914-331KL
BrandBourns
HK$1.974
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. 811-8780
Mfr. Part No.RLB0914-331KL
BrandBourns
HK$2.772
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. 172-8319
Mfr. Part No.RLB0608-102KL
BrandBourns
HK$1.323
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. 811-8859
Mfr. Part No.RLB0608-102KL
BrandBourns
HK$2.027
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. 736-0974
Mfr. Part No.2309-V-RC
BrandBourns
HK$34.20
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. 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
RS Stock No. 736-0970
Mfr. Part No.2309-H-RC
BrandBourns
HK$30.32
Each
units
47 μH 10.7A Radial 16mΩ ±15% 32.51mm - - 0.65in 32.512 (Dia.) x 16.51mm - - 28.956mm 2300
RS Stock No. 736-1015
Mfr. Part No.5800-100-RC
BrandBourns
HK$12.222
Each (In a Bag of 5)
units
10 μH 1.3A Axial 33mΩ ±10% 7mm 17.8mm - - 7 x 17.8mm Ferrite - - 5800
RS Stock No. 172-7238
Mfr. Part No.5800-100-RC
BrandBourns
HK$5.902
Each (In a Bag of 864)
units
10 μH 1.3A Axial - ±10% 7mm 17.8mm - - 7 x 17.8mm Ferrite - - 5800
RS Stock No. 172-9914
Mfr. Part No.2309-H-RC
BrandBourns
HK$27.226
Each (In a Bag of 36)
units
47 μH 10.7A Radial 16mΩ ±15% 32.51mm - - 0.65in 32.512 (Dia.) x 16.51mm - - 28.956mm 2300
RS Stock No. 172-7285
Mfr. Part No.2301-V-RC
BrandBourns
HK$25.516
Each (In a Bag of 50)
units
10 μH 20A Radial - ±15% 32.51mm - 0.65in - 32.512 (Dia.) x 16.51mm - - 14.224mm 2300
RS Stock No. 736-0958
Mfr. Part No.2301-V-RC
BrandBourns
HK$34.06
Each
units
10 μH 20A Radial 5mΩ ±15% 32.51mm - 0.65in - 32.512 (Dia.) x 16.51mm - - 14.224mm 2300
RS Stock No. 860-4133
Mfr. Part No.RL181S-104J-RC
BrandBourns
HK$6.941
Each (In a Pack of 1000)
units
100 mH 9mA Radial 82Ω ±5% 10.5mm - - 14mm 10.5 (Dia.) x 14mm Ferrite 90kHz 5mm RL181S
RS Stock No. 172-7062
Mfr. Part No.RLB0914-101KL
BrandBourns
HK$1.864
Each (In a Bag of 200)
units
100 μH 1A Radial - ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 3.5MHz 5mm RLB
RS Stock No. 860-4001
Mfr. Part No.2317-V-RC
BrandBourns
HK$26.012
Each (In a Pack of 50)
units
270 μH 5.5A Radial 60mΩ ±15% 32.51mm - - 0.65in 1.28 (Dia.) x 0.65in - 1kHz 0.56in 2300
RS Stock No. 172-8357
Mfr. Part No.RLB0914-100KL
BrandBourns
HK$1.974
Each (In a Bag of 200)
units
10 μH 2.7A Radial - ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 20MHz 5mm RLB
RS Stock No. 811-8799
Mfr. Part No.RLB0914-100KL
BrandBourns
HK$2.772
Each (In a Bag of 10)
units
10 μH 2.7A Radial 48mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 20MHz 5mm RLB
RS Stock No. 172-9587
Mfr. Part No.RLB0914-470KL
BrandBourns
HK$1.936
Each (In a Bag of 200)
units
47 μH 1.5A Radial 140mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 6MHz 5mm RLB
RS Stock No. 172-8691
Mfr. Part No.1130-330K-RC
BrandBourns
HK$41.87
Each (In a Bag of 106)
units
33 μH 13.5A Radial 17mΩ ±10% 27.94mm - - 21.3mm 27.94 (Dia.) x 21.34mm Ferrite Bobbin Core - 20.07mm 1130
RS Stock No. 811-8786
Mfr. Part No.RLB0914-101KL
BrandBourns
HK$2.972
Each (In a Bag of 10)
units
100 μH 1A Radial 280mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 3.5MHz 5mm RLB