SPB-304: 150µH @ 8.5ADC Inductor

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Data Sheet:
SPB-300 Series Data Sheet
SPB-304: 150µH @ 8.5ADC Inductor

The SPB-304 is one of our bestselling inductors in the SPB-300 range. This filter inductor, alternatively known as a switched mode power supply (SMPS) inductor, has countless uses in a wide range of applications that demand an inductor capable of filtering output waveform signals in switching supply circuits. If you need a switch mode power supply inductor that is battery or alternating current (AC) line voltage powered, and comes in a rectified or filtered circuit, or both, the SPB-304 would be your best option.

Featuring a ferrite bobbin core design, the SPB-304 delivers excellent stability, high flux density saturation and minimal changes in inductance.

Rated at 150µH at 8.5 ADC, with a maximum DCR of 0.038 Ω, the SPB-304 can be used in switch mode power supply applications that require frequencies up to 250KHz, depending on the application.

The SPB-304 is built to the following dimensions:

  • The SPB-304 is built with a core diameter of 0.955” / 24.26 mm and core height of 0.975” / 24.77 mm.
  • This open frame inductor benefits from a lead size of 16 AWG.
  • The radial leads have a center-to-center dimension of 0.775 inches / 19.69 mm, extending 0.6875” / 17.46 mm to 0.8125” / 20.64 mm from the mounting core surface.
  • The leads are tinned to within 0.063” / 1.6 mm from the core exit point.

The SPB-304 is also designed to be used as through-hole mount inductor. Using a non-metallic #4 screw, mount the inductor to the printed circuit board.

Prem Magnetics can modify the SPB-304 to meet your needs, or design and build a new inductor for your application. Contact us to request a custom inductor design, prototype or build today.