MIL-PRF-27/288C
REQUIREMENTS:
Electrical ratings: See table I.
TABLE I. Electrical ratings.
Voltage
Circuit
DC current
Working
PIN
DC
Inductance
Dash
Diagram
(A) max
voltage
arrangement
resistance
(µh)
(see figure
2/ 4/
(peak)
(see figure 1)
(ohms)
no.
+15 percent
1/
1)
volts
max
-5 percent
5/
2/ 3/
2/
1 volt
01
3000
1.2
1.2
357
A
AA
at 10 kHz
1 volt
02
2000
1.5
.8
357
A
AA
at 10 kHz
1 volt
03
1200
1.88
.5
357
A
AA
at 10 kHz
1 volt
04
780
2.4
.3
357
A
AA
at 10 kHz
1 volt
05
520
3
.2
357
A
AA
at 10 kHz
1 volt
06
320
3.75
.13
357
A
AA
at 10 kHz
1 volt
4.5
.08
220
357
B
BB
07
at 10 kHz
55
9
.02
6
.05
120
1 volt
08
357
B
BB
30
12
.013
at 10 kHz
1 volt
80
7.5
.032
357
B
BB
09
at 10 kHz
20
15
.008
1/ Qualification test and approval to M27/288-01, shall be sufficient to grant qualification approval to
M27/288-02 through -09.
2/ Where electrical values are written one above the other they indicate the values from series or
(series)
.
parallel connections respectively
parallel
3/ The inductance is measured with 0 A dc applied at the specified voltage and frequency.
4/ At rated dc current, inductance will exceed 80 of rated inductance.
5/ Between windings, 50 volts peak.
Design and construction:
Dimensions and configuration: See figure 1.
Duty cycle: Continuous.
Case: Epoxy.
Terminals: Printed circuit (tinned brass).
Weight: 1.5 ounces.
Altitude: 75,000 feet.
Operating temperature range: -55C to +130C.
3
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