MIL-PRF-27/164D
REQUIREMENTS: (When numbers in parentheses, i.e., (1-2) are used, they indicate the winding and
the extreme
terminals of the winding.)
Electrical ratings: See table I.
Working voltage (peak): 175 volts peak.
Design and construction:
Dimensions and configurations: See figure 1.
Case: Metal.
Material: Mu metal.
Terminals: Tin-lead plated type D4 in accordance with MIL-STD-1276.
Weight: .3 ounces maximum.
Operating temperature range: -55C to +105C.
Altitude: 75,000 feet maximum.
Terminal strength: MIL-STD-202, method 211, test condition A, 2.0 pounds.
TABLE I. Electrical ratings.
(1-2)
(1-2)
DC
(1-2)
Inductance
DC current
resistance
Quality factor
Dash
±3%
(max)
at 25°C
Q
Voltage
Frequency
number
H
mA
(1-2) ±20%
min
(rms)
(Hz)
1/
2/ 3/
4/
ohms
01
.15
12
33
18
1
2000
02
.25
9
55
18
1
2000
03
.40
7
90
18
1
2000
04
.70
5
135
18
1
2000
05
1.4
3
210
18
1
1500
06
2.5
1
210
16
1
800
07
4.0
0.7
340
16
1
800
08
6.0
0.6
530
16
1
800
09
10.0
0.5
850
16
1
800
10
25.0
0.3
2300
16
1
800
11
60.0
0.2
5160
16
1
800
1/ Qualification testing and approval to M27/164-11 shall be sufficient to grant qualification approval
to M27/164-01 through M27/164-11.
2/ Dash numbers 01 through 05, inductance is measured at 1 kHz, 1 V rms, 0 dc.
3/ Dash numbers 06 through 11, inductance is measured at 400 Hz, 1 V rms, 0 dc.
4/ The dc current is that amount of dc that will reduce the inductance by approximately 5 percent
(8 percent max.).
2
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