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 603-8411
製造零件編號ELF0505RA-470J-3PF
BrandTDK
TWD14.30
/個 (每包:10個)
單位
47 μH 240mA - 2.05Ω ±5% 5.5mm - - 8.5mm 5.5 (Dia.) x 8.5mm - 17.5MHz 5mm -
RS庫存編號 604-6771
製造零件編號SP0508-8R2K2R0-PF
BrandTDK
TWD9.00
/個 (每包:10個)
單位
8.2 μH 2.2A - 56mΩ ±10% 4.5mm 14mm - - 4.5 (Dia.) x 14mm - 38MHz - -
RS庫存編號 603-9436
製造零件編號ELF0708RA-472J-PF
BrandTDK
TWD21.70
/個 (每包:10個)
單位
4.7 mH 52mA - 44Ω ±5% 7.7mm - - 12mm 7.7 (Dia.) x 12mm - 1.2MHz 5mm -
RS庫存編號 604-5683
製造零件編號SP0305-330J-PF
BrandTDK
TWD7.90
/個 (每包:10個)
單位
33 μH 255mA - 1.5Ω ±5% 3mm 6.5mm - - 3 (Dia.) x 6.5mm - 10MHz - -
RS庫存編號 604-6563
製造零件編號SP0508-2R2K2R9-PF
BrandTDK
TWD9.00
/個 (每包:10個)
單位
2.2 μH 4.5A - 31mΩ ±10% 4.5mm 14mm - - 4.5 (Dia.) x 14mm - 220MHz - -
RS庫存編號 603-8922
製造零件編號ELF0607RA-4R7K-PF
BrandTDK
TWD16.20
/個 (每包:10個)
單位
4.7 μH 790mA - 370mΩ ±10% 6.6mm - - 10.5mm 6.6 (Dia.) x 10.5mm - 42MHz 5mm -
RS庫存編號 604-6765
製造零件編號SP0508-821KR23-PF
BrandTDK
TWD9.00
/個 (每包:10個)
單位
820 μH 250mA - ±10% 4.5mm 14mm - - 4.5 (Dia.) x 14mm - 2MHz - -
RS庫存編號 603-7913
製造零件編號ELC0607RA-150J1R3-PF
BrandTDK
TWD18.10
/個 (每包:10個)
單位
15 μH 1.3A - 120mΩ ±5% - 7.4mm 6.2mm 10mm 7.4 x 6.2 x 10mm - - 5mm -