INCH-POUND
MIL-PRF-27/40C
23 September 2009
SUPERSEDING
MIL-PRF-27/40B
7 February 1984
PERFORMANCE SPECIFICATION SHEET
TRANSFORMERS, POWER, 3 VOLT AMPERES, 400 HZ,
ELECTROSTATIC SHIELDED
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.
1.09 MAX.
1.09 MAX.
.800
.800
.600
.600
2
2
3
3
4
4
1
1
1.09
1.09
.600 .800
.600 .800
MAX.
MAX.
5
5
6
6
.138-32 UNC-2B
.138-32 UNC-2B
X .25 DEPTH MIN.
X .25 DEPTH MIN.
.032 DIA.
.032 DIA.
.25
± .002 TYP
± .002 TYP
.25
.13
.13
.03
.02
.78
.78
MAX.
MAX.
Inches
mm
CONFIGURATION A
CONFIGURATION B
.002
0.05
.02
0.5
3 "X" VOLTAGE CT
1
.03
0.8
115 V
4
400 HZ
.032
0.81
"X" mA OR A
5
2
.13
3.3
S
.138
3.51
.25
6.4
MAX W.V. , "X"V"
.600
15.24
MAX ALT 70,000
.75
19.1
(SEE TABLE I FOR VALUE OF "X")
.78
19.8
CIRCUIT DIAGRAM AND MARKING
.800
20.32
NOTES:
1.09
27.2
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Tolerance on terminal position dimensions is ±.005 (0.13 mm).
4. Marking shall be on the side of the case.
5. A white dot shall be marked on the side opposite the terminals, over terminal 1,
in addition to the terminal marking shown.
6. Secondary electrical values shall be marked as specified in table I, as applicable.
FIGURE 1. Dimensions and configurations
AMSC N/A
FSC 5950
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