MIL-PRF-27/318C
Marking location: See figure 1.
Part or Identification Number (PIN): M27/318-(dash number from table I).
TABLE I. Electrical ratings.
Secondary (3-5)
Dash
Voltage
Current 1/
DC resistance
number
(volts)
(amperes)
(ohms)
3 percent
25 percent
M27/318-
01
5.0
16.00
0.011
02
6.3
12.70
0.016
03
8.0
10.00
0.037
04
10.0
8.00
0.050
05
12.6
6.35
0.070
06
14.0
5.72
0.100
07
16.0
5.00
0.120
08
18.0
4.44
0.160
09
20.0
4.00
0.190
10
22.0
3.64
0.25
11
25.0
3.20
0.30
12
28.0
2.86
0.40
13
31.0
2.58
0.45
14
35.0
2.28
0.50
15
39.0
2.05
0.70
16
43.0
1.85
0.94
17
48.0
1.63
1.00
18
55.0
1.46
1.50
19
63.0
1.27
1.70
20
70.0
1.14
2.40
21
80.0
1.00
2.70
22
90.0
0.890
3.80
23
100
0.800
4.20
24
110
0.726
5.70
25
123
0.650
6.50
26
138
0.580
9.50
27
157
0.510
10.5
28
175
0.457
14.8
29
200
0.400
17.0
30
220
0.364
23.0
1/ For 50 Hz operation, reduce secondary current by 10 percent.
VERIFICATION:
Extent of qualification:
Qualification testing and approval to M27/312-26 or M27/316-30, and M27/322-24 shall be sufficient
to grant qualification approval to MIL-PRF-27/312 through MIL-PRF-27/322, inclusive, all parts.
Qualification testing and approval to M27/318-30 shall be sufficient to grant qualification approval
M27/318-01 through M27/318-30.
4
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