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庫存編號 228-135
BrandRS PRO
HK$11.47
單位
4.7 μH 1.7A Axial - ±10% 3.3mm 9.14mm - - 3.3 (Dia.) x 9.14mm Ferrite 95MHz - APIE0309
RS庫存編號 489-0419
製造零件編號744825510
HK$49.15
單位
10 mH 5A Radial 55mΩ ±30% - 30.5mm 21mm 35mm 30.5 x 21 x 35mm - - 25mm WE-CMB HC
RS庫存編號 162-0202
製造零件編號B78108S1222K000
BrandEPCOS
HK$4,551.48
毎卷:5000 個
Reel(s)
2.2 μH 1A Axial 250mΩ ±10% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 140MHz - BC
RS庫存編號 736-0970
製造零件編號2309-H-RC
BrandBourns
HK$27.31
單位
47 μH 10.7A Radial 16mΩ ±15% 32.51mm - - 0.65in 32.512 (Dia.) x 16.51mm - - 28.956mm 2300
RS庫存編號 871-1519
製造零件編號B82731M2132A030
BrandEPCOS
HK$19.623
個 (以毎袋:3)
單位
6.8 mH 1.3A Radial 280mΩ -30 → +50% - 21mm 15mm 20mm 21 x 15 x 20mm Ferrite 10kHz 12.5mm B82731M
RS庫存編號 191-0560
製造零件編號B78108S1473J000
BrandEPCOS
HK$2.529
/個 (每包:10個)
單位
47 μH 450mA Axial 1.1Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 7.5MHz - BC
RS庫存編號 288-143
製造零件編號CMV40
HK$55.10
單位
2.4 mH 4A Radial 40mΩ - - 34mm 17.4mm 31mm 34 x 17.4 x 31mm Ferrite - 7.62 mm, 10.16 mm, 25.4 mm CMV
RS庫存編號 736-0958
製造零件編號2301-V-RC
BrandBourns
HK$37.14
單位
10 μH 20A Radial 5mΩ ±15% 32.51mm - 0.65in - 32.512 (Dia.) x 16.51mm - - 14.224mm 2300
RS庫存編號 167-8357
製造零件編號B78108S1473J000
BrandEPCOS
HK$7,365.48
毎卷:5000 個
Reel(s)
47 μH 450mA Axial 1.1Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 7.5MHz - BC
RS庫存編號 163-3296
製造零件編號7447033
HK$21.785
個 (以毎袋:300)
單位
68 μH 2.8A Lead Wire 55mΩ ±20% 14mm - 8mm - 14 (Dia.) x 8mm Composite Iron Powder - 6mm WE-FI
RS庫存編號 167-0381
製造零件編號B82731M2132A030
BrandEPCOS
HK$20.194
個 (以毎盒:800)
單位
6.8 mH 1.3A Radial 280mΩ -30 → +50% - 21mm 15mm 20mm 21 x 15 x 20mm Ferrite 10kHz 12.5mm B82731M
RS庫存編號 110-1296
製造零件編號ELC08D100E
BrandPanasonic
HK$2.414
個 (以毎袋:1000)
單位
10 μH 2.8A Radial 22mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS庫存編號 172-7238
製造零件編號5800-100-RC
BrandBourns
HK$9.037
個 (以毎袋:864)
單位
10 μH 1.28A Axial - ±10% 6.99mm 17.78mm - - 6.985 (Dia.) x 17.78mm Ferrite - - 5800
RS庫存編號 233-5134
製造零件編號ELC08D100E
BrandPanasonic
HK$5.388
/個 (每包:5個)
單位
10 μH 2.8A Radial 22mΩ ±20% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS庫存編號 106-7771
製造零件編號1447383C
HK$20.64
個 (以毎盒:25)
單位
47 μH 8.3A Radial 19mΩ ±10% - 28.5mm 25.9mm 20mm 28.5 x 25.9 x 20mm - 6MHz 23.9mm 1400
RS庫存編號 124-1530
製造零件編號7447060
HK$20.156
/個 (每包:5個)
單位
300 μH 2.5A Through Hole 150mΩ ±20% 21mm - - 11mm 21 (Dia.) x 11mm Ferrite, Iron Powder - 9mm WE-FI
RS庫存編號 308-8845
製造零件編號7447033
HK$16.75
單位
68 μH 2.8A Lead Wire 55mΩ ±20% 14mm - 8mm - 14 (Dia.) x 8mm Composite Iron Powder - 6mm WE-FI
RS庫存編號 106-7732
製造零件編號1410454C
HK$20.64
個 (以毎盒:25)
單位
100 μH 5.4A Radial 42mΩ ±10% - 26.4mm 24.4mm 14mm 26.4 x 24.4 x 14mm - 4.6MHz 23.6mm 1400
RS庫存編號 715-6753
製造零件編號1447383C
HK$26.82
單位
47 μH 8.3A Radial 19mΩ ±10% - 28.5mm 25.9mm 20mm 28.5 x 25.9 x 20mm - 6MHz 23.9mm 1400
RS庫存編號 540-8500
製造零件編號ELC09D100F
BrandPanasonic
HK$4.63
/個 (每包:5個)
單位
10 μH 2.5A Radial 27mΩ ±20% 9.5mm - - 8.9mm 9.5 (Dia.) x 8.9mm Ferrite - 5mm ELC09D