MIL-PRF-27/69C
Diameter: .030 ± .005 inch.
Length: .500 ± .030 inch.
Weight: 26.93 grams maximum.
Altitude: 70,000 feet, maximum.
Operating temperature range: -55°C to +130°C.
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
200 Hz to 20 kHz ± 1 dB
Dash
number
Primary
EL
Zs
ZL
dc current
(1-3)
(4-6)
(1-3)
mA
ohms
volts
ohms
01
25 k
1,000
3.0
0
02
10 k
10 k
8.0
0.5
03
10 k
1,500
8.0
0.5
04
10 k
600
8.0
0.5
05
10 k
4
8.0
0.5
06
4,000
10 k
5.0
0.75
07
1,500
15
3.0
1.25
08
1k
600
3.0
1.5
09
1k
4
3.0
1.5
10
600
25 k
2.0
2.0
11
600
600
2.0
2.0
12
600
60
2.0
2.0
13
600
15
2.0
2.0
14
600
4
2.0
2.0
15
250
600
2.0
3.5
Marking location: See figure 1.
Part or Identifying Number (PIN): M27/69- (dash number from table I).
4
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