MIL-PRF-27/71E
Terminal strength: MIL-STD-202, method 211, test condition A, 2 pounds.
Dielectric withstanding voltage:
At sea level: 500 volts, rms.
At barometric pressure: 300 volts, rms.
Electrical characteristics: See table II.
Frequency response:
Reference frequency: 1 kilohertz.
Polarity: Additive, with terminals 3 and 4 connected.
TABLE II. Electrical characteristics.
Frequency response at
300 Hz to 100 KHz ±2 dB
Dash
Primary
number
EL
ZS
ZL
DC current
(4-6) ohms
Volts
(1-3) ohms
(1-3) mA
100 k
1,000
17
0
01 1/
02 1/
25 k
1,000
3
0
03
10 k
10 k
10
0.5
04
10 k
1,500
10
0.5
05
10 k
600
10
0.5
06
4,000
10 k
5
0.25
07
1,000
600
3
1.5
08
1,000
4
3
1.5
09
600
25 k
2.5
2
10
600
600
2.5
2
11
600
60
2.5
2
12
600
4
2.5
2
1/ Frequency response is 300 hertz to 20 kilohertz ±2 dB.
VERIFICATION:
Qualification inspection:
Not applicable.
Quality conformance inspection: Groups A and B tests of MIL-PRF-27 shall be applicable.
Marking location: See figure 1.
Part or Identifying Number (PIN): M27/71-(dash number from table I).
Substitution data (information only): This military transformer is substitutable for CAGE 70674, PIN 324-6A. This
in no way implies that the manufacturer's part is substitutable for the military item. This information is not intended
to be complete.
4
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