INCH-POUND
MIL-T-27/9B
9 November 2009
SUPERSEDING MIL-T-27/9A
6 December 1976
MILITARY SPECIFICATION SHEET
TRANSFORMER, AUDIO FREQUENCY
Inactive for new design after 25 August 1998
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.
CIRCUIT DIAGRAM & MARKING READABLE WITH TRANSFORMER IN POSITION
1.125 DIA (MAX) TERMINAL MTG.
AREA
MINIMUM CHASSIS CUTOUT
.173 DIA MIN.
4 HOLES REQ'D.
1.625
SQ.
1.188
+.000
2.375 - .125
1.188
1.188
DIA
.219
.219 1.188
300 TO 10,000 Hz
POWER LEVEL: 2 W MAX
3
15,000
OHMS CT
7
150 OHMS
4 STUDS OR 4 INSERTS
(SEE NOTE 5)
.138-32UNC-2A x .375 LG. OR .138-32UNC-2B x .375 DEEP
1.188
Inches mm
.125 3.18
.138 3.51
.173 4.39
.219 5.56
.020 AMP DC 2
THROUGH
TERMINAL 2 1
WORKING VOLTAGE
525 V MAX.
MAX ALTITUDE: 50,000 FT. CIRCUIT DIAGRAM AND MARKING
2.375 60.33
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerance on overall case dimensions is +.000 (0.00 mm) .063 (1.60 mm)
4. Tolerance on mounting dimensions is +.016 (0.41 mm).
5. Inserts not recommended for new design.
6. Terminal arrangement optional within mounting area indicated.
FIGURE 1. Dimensions and configurations.
AMSC N/A FSC 5950
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