INCH-POUND
MIL-PRF-27/47C
9 November 2009
SUPERSEDING
MIL-PRF-27/47B
7 February 1984
PERFORMANCE SPECIFICATION SHEET
TRANSFORMERS, POWER, 25 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.
1.40 MAX.
1.40 MAX.
1.100
1.100
.900
.900
1.00 DIA.
2
3
2
3
1
1
4
4
1.40
1.40
.900
.900
MAX.
MAX.
1.100
1.100
5
5
6
6
.164-32 UNC-2B
.164-32 UNC-2B
X .25 MIN. DEPTH
X .25 MIN. DEPTH
.032 DIA
.032 DIA
± .002 TYP
± .002 TYP
.25
.25
.13
.13
Inches
mm
1.20
1.20
.002
0.05
MAX.
MAX.
.02
0.5
.03
0.8
.032
0.81
CONFIGURATION A
CONFIGURATION B
.13
3.3
.164
.17
CIRCUIT DIAGRAM AND MARKINGS
.25
6.4
3
1
.900
22.86
"X" VOLTAGE CT
115 V
4
1.00
25.4
"X" mA OR A
400 HZ
5
2
MAX W V , "X" V
1.10
27.9
MAX ALT, 70,000
S
1.20
30.5
(SEE TABLE I FOR VALUE OF "X")
1.40
35.6
NOTES:
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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