INCH-POUND
MIL-PRF-27/30C
23 September 2009
SUPERSEDING
MIL-PRF-27/30B
5 April 1990
PERFORMANCE SPECIFICATION SHEET
TRANSFORMER, AUDIO FREQUENCY
This specification is approved for use by all Depart-
ments and Agencies of the Department of Defense.
The requirements for acquiring the transformer described herein
shall consist of this specification sheet and MIL-PRF-27.
.138 -32 NC-2B
.250 DIA.
4 INSERTS
± .031
.200 DEEP MIN.
13 TERM.
.218
12 1
11
2
1.625
10
3
1.187
+.000
± .060
9
4
-.125
5
8
7
6
1.187
.218
.312
+.000
± .060
2.375
± .031
-.125
1.625
+.000
-.125
1
7
1.125 DIA. TERM CIRCLE
8
12 TERM EQUALLY SPACED
2
70
50
1 TERM CENTERED
to
to
3
9
600 OHMS
725 OHMS
175 W V
175 W V
10
4
11
5
6
12
Inches
mm
13
.031
0.79
.060
1.52
.125
3.18
CIRCUIT DIAGRAM AND MARKING
.138
3.51
.200
5.08
.218
5.54
.250
6.35
.312
7.92
1.125
28.53
1.187
30.15
1.625
41.28
2.375
60.33
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Marking shall be on the side of the case.
FIGURE 1. Dimensions and configurations.
AMSC N/A
FSC 5950
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