PROPERTY CHART - IRON POWDER
 

Iron Powder Material

Basic Iron Powder

Material Permeability µo

Temperature Stability (ppm/°C)

Resonant Circuit Frequency Range (MHz)

Color Code

0

Phenolic

1

0

100.0 - 300.0

Tan

1

Carbonyl C

20

280

0.5 - 5.0

Blue

2

Carbonyl E

10

95

2.0 - 30.0

Red

3

Carbonyl HP

35

370

0.05 - 0.5

Grey

6

Carbonyl SF

8

35

10.0 - 50.0

Yellow

7

Carbonyl TH

9

30

5.0 - 35.0

White

10

Carbonyl W

6

150

30.0 - 100.0

Black

12

Synthetic Oxide

4

170*

50.0 - 200.0

Green/White

15

Carbonyl GS6

25

190

0.10 - 2.0

Red/White

17

Carbonyl

4

50

50.00 - 200.0

Blue/Yellow

26

Special

75

882

LF filters, chokes

Yellow/White

* Non Linear
Material #17 has been developed as a temperature stable alternative to the #12.
Frequency ranges shown are for best 'Q'/ Useful over broader frequency ranges with lower 'Q'.

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