MIL-PRF-15305F
TABLE II. Color code.
Inductance tolerance
Multiplier 1/
Color
Significant Figure
(percent)
Black
0
1
---
Brown
1
10
±1%
Red
2
100
±2%
Orange
3
1,000
±3%
Yellow
4
---
---
Green
5
---
---
Blue
6
---
---
Violet
7
---
---
Gray
8
---
---
White
9
---
---
None 2/
---
---
±20%
Silver
---
---
±10%
Gold
Decimal point
---
±5%
1/ The multiplier is the factor by which the two significant figures are multiplied to yield the nominal inductance value
2/ Indicates body color.
3.22.4 Laser marking (cylindrical coils). At the option of the manufacturer, cylindrical coils may be laser marked.
The marking shall be legible after all tests, and as a minimum, contain the manufacturer's name or source code,
inductance value, tolerance, and date code.
3.23 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally
preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the
operational and maintenance requirements, and promotes economically advantageous life cycle costs.
3.24 Workmanship. Coils shall be processed in such a manner as to be uniform in quality and free of defects that
will affect function, life, or serviceability.
FIGURE 1. Typical color coding.
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