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Power Inductors – Color Coding

Some Coilcraft surface mount power inductors are marked with 3 color dots. The table at right shows the significance of each color.

Dots 1 and 2 indicate the inductance in nanoHenries.

Dot 3 indicates the number of zeroes to be added.

Examples:
  • Yellow, Violet, Yellow = 470 µH
  • Brown, Green, Orange = 15 µH
  • Blue, Gray, Brown = 680 nH
colrpowr.gif

0 = Black
1 = Brown
2 = Red
3 = Orange
4 = Yellow
5 = Green
6 = Blue
7 = Violet
8 = Gray
9 = White

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