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 163-3345
製造零件編號744772330
HK$6.34
Each (In a Tray of 140)
單位
33 μH 2A Radial 60mΩ ±10% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS庫存編號 852-3630
製造零件編號IHA105EB
BrandVishay
HK$21.82
單位
1 mH 1.4A Axial 600mΩ ±10% 13.97mm - - 29.85mm 13.97 (Dia.) x 29.85mm Ferrite 1kHz - IHA
RS庫存編號 899-7069
製造零件編號744750560220
HK$19.43
單位
22 μH 7.7A Radial 14.5mΩ ±20% 14.8mm - - 15.8mm 14.8 (Dia.) x 15.8mm Ferrite - 12mm WE-FAMI
RS庫存編號 163-4142
製造零件編號7447471022
HK$16.28
Each (In a Tray of 110)
單位
2.2 μH 10A Through Hole 9mΩ ±20% 11mm - - 11.5mm 11 (Dia.) x 11.5mm Ferrite 75MHz 5mm WE-TIS
RS庫存編號 122-3276
製造零件編號SMV20
HK$37.72
單位
500 μH 2A Radial 370mΩ - - 32mm 17mm 30mm 32 x 17 x 30mm Ferrite - 7.62 mm, 10.16 mm, 25.4 mm SMV
RS庫存編號 106-7740
製造零件編號1422455C
HK$32.311
個 (以毎盒:15)
單位
220 μH 5.5A Radial 62mΩ ±10% - 32.1mm 29.8mm 21.8mm 32.1 x 29.8 x 21.8mm - 2.2MHz 29.1mm 1400
RS庫存編號 167-8363
製造零件編號B78108S1224J000
BrandEPCOS
HK$5,557.50
毎卷:5000 個
Reel(s)
220 μH 250mA Axial 3.3Ω ±5% 4mm 11.5mm - - 4 (Dia.) x 11.5mm Ferrite 3.7MHz - BC
RS庫存編號 432-4366
製造零件編號744772047
HK$7.65
/個 (每包:10個)
單位
4.7 μH 4A Radial 18mΩ ±20% 8.3mm - - 10mm 8.3 (Dia.) x 10mm Ferrite - 5mm WE-TI
RS庫存編號 172-8357
製造零件編號RLB0914-100KL
BrandBourns
HK$1.71
個 (以毎袋:200)
單位
10 μH 2.7A Radial - ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 20MHz 5mm RLB
RS庫存編號 860-3985
製造零件編號2224-V-RC
BrandBourns
HK$17.935
/個 (每包:77個)
單位
1 mH 1.9A Radial 280mΩ ±15% 24.13mm - - 0.55in 0.95 (Dia.) x 0.55in - 1kHz 0.49in 2200
RS庫存編號 288-200
製造零件編號SF1120
HK$20.05
單位
4 mH - Flying Leads 1.8Ω ±20% 20mm - 9.5mm - 20 (Dia.) x 9.5mm Composite Iron Powder - - SF
RS庫存編號 163-5550
製造零件編號7448042001
HK$87.44
個 (以毎盒:25)
單位
2 x 1 mH 20A Through Hole 2 x 2.4mΩ -30 → +50% - 30mm 19mm 32mm 30 x 19 x 32mm Nano Crystalline 1 kHz → 300 MHz 10mm WE-CMBNC
RS庫存編號 489-0201
製造零件編號744822301
HK$36.08
單位
1 mH 3A Radial 35mΩ ±30% - 17.5mm 13mm 22mm 17.5 x 13 x 22mm - - 7.7mm WE-CMB
RS庫存編號 110-1302
製造零件編號ELC08D101E
BrandPanasonic
HK$2.511
個 (以毎袋:1000)
單位
100 μH 800mA Radial 120mΩ ±10% - 10mm 8.5mm 13mm 10 x 8.5 x 13mm Ferrite - 5mm ELC08D
RS庫存編號 163-3722
製造零件編號7447016
HK$15.261
個 (以毎袋:200)
單位
29 μH 7.8A Lead Wire 15mΩ ±20% 18.5mm - 10.5mm - 18.5 (Dia.) x 10.5mm Composite Iron Powder - 8mm WE-FI
RS庫存編號 617-1394
製造零件編號744151
HK$18.12
單位
48 μH 8.1A Lead Wire 25mΩ ±20% 30mm - 12mm - 30 (Dia.) x 12mm Ferrite - 10mm WE-SI
RS庫存編號 172-8691
製造零件編號1130-330K-RC
BrandBourns
HK$61.206
個 (以毎袋:106)
單位
33 μH 13.5A Radial 17mΩ ±10% 27.94mm - - 21.3mm 27.94 (Dia.) x 21.34mm Ferrite Bobbin Core - 20.07mm 1130
RS庫存編號 163-3637
製造零件編號744152
HK$35.944
個 (以毎袋:30)
單位
82 μH 7.7A Lead Wire 30mΩ ±20% 28mm - 12mm - 28 (Dia.) x 12mm Ferrite - 10mm WE-SI
RS庫存編號 172-9587
製造零件編號RLB0914-470KL
BrandBourns
HK$1.71
個 (以毎袋:200)
單位
47 μH 1.5A Radial 140mΩ ±10% 8.7mm - - 12mm 8.7 (Dia.) x 12mm Ferrite 6MHz 5mm RLB
RS庫存編號 675-5400
製造零件編號ELC11D121F
BrandPanasonic
HK$8.30
/個 (每包:5個)
單位
120 μH 1.6A Radial 160mΩ ±10% 11.5mm - - 13.9mm 11.5 (Dia.) x 13.9mm Ferrite - 5mm ELC11D