High Current Inductors photo

Shaped Foil Chassis Inductor shaped foil technology

Available with patented Foil Technology for high ripple, high frequency applications.

West Coast Magnetics' 307 series power inductors offer exceptional performance in a compact package. These inductors can handle very high DC currents and high AC ripple currents from 60 Hz up to 500 kHz. They offer exceptional reliability with an operating temperature rating of 200C and can be ordered using West Coast Magnetics' Shaped Foil TechnologyTM.

Our exclusive shaped foil technologyTM combines the low DCR of a foil winding, with the low AC winding resistance of litz wire. For many high ripple, high frequency applications it has significantly lower winding losses than any litz or solid wire winding. Check with WCM's engineering department to see if it is right for your application.

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Design Constants
Product CodeInductance µHDCR mOHmsCurrent Rating* Irms 40CCurrent Rating* Irms 80CCurrent Rating* Irms 120C
307-1193.414.72202834
307-2154.811.29223239
307-3128.79.01253644
307-490.56.04314454
307-564.84.06385366
307-659.03.62405770
307-748.32.94446377
307-843.42.58476782
307-930.11.84557997
307-1026.21.516288108
307-1119.31.1570101124
307-1216.20.9578111136
307-1313.40.7588125152
307-1410.80.6595134165
307-1508.60.50108152188

*Current Rating:
The current values in this table are the approximate Rms current values which will lead to the temperature rise shown at the top of each column. The conditions under which the RMS current value in the table was determined are:

  1. convective heat transfer with no outside cooling,
  2. no core or AC winding losses, effectively a DC current is applied.

For ripple currents exceeding 2% additional margin must be allowed for core and AC copper losses.

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Product/CodeWHLX1X2
3062.85/7.243.0/7.623.05/7.751.70"/4.322.10"/5.33

Dimensions: Inches/mm

graphs
307 1-4307 5-8307 9-12307 13-15

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