MIL-PRF-27/70D
REQUIREMENTS: (When numbers in parentheses, i.e. (1.-3) are used, they indicate the winding and the extreme
terminals of the winding.)
Electrical ratings: See table I.
Working voltage: 175 volts.
Frequency range: 200 hertz to 50 kilohertz (except 200 hertz to 15 kilohertz for M27/70-01).
TABLE I. Electrical ratings. 1/
Primary
Secondary
Primary
Primary
Secondary
Primary
Dash
Circuit
impedance
impedance
DCR
power level
DCR
unbalanced
number
diagram
ohms
ohms
ohms
at 200 Hz
ohm
DC current
± 25%
± 25%
(see figure 1)
(1-3)
(4-6)
mW
max
(max)
(mA)
01
A
100 k CT
1,000 CT
5,300
60
55
0
02
A
25 k CT
1,000 CT
2,600
150
130
0
03
A
10 k CT
10 k CT
1,000
150
1,300
1.0
04
A
10 k CT
1,500 CT
1,000
150
200
1.0
05
A
10 k CT
600 CT
1,000
150
65
1.0
06
A
4,000 CT
10 k CT
350
150
1,300
1.5
07
A
1,000 CT
600 CT
90
150
65
3.0
08
B
1,000 CT
4
90
150
0.5
3.0
09
A
600 CT
25 k CT
50
150
3,200
4.0
10
A
600 CT
600 CT
50
150
65
4.0
11
B
600 CT
60
50
150
6.5
4.0
12
B
600 CT
4
50
150
0.5
4.0
1/ Qualification testing and approval to M27/70-01 and all tests in accordance with table VII of MIL-PRF-27 for
M27/70-05 and M27/70-08 shall be sufficient to grant qualification approval to M27/70-01 through M27/70-12,
inclusive. Qualification by similarity can be obtained for MIL-PRF-27/67, /68, /69, /71, and /72 by the submission
of two samples each, (of dash number 01 for MIL-PRF-27/67, /68, /69, /71, and /72) which shall be subjected to
group A, subgroup II tests, with zero defects allowed.
Design and construction:
Dimensions and configuration: See figure 1.
Duty cycle: Continuous.
Case: Encapsulated.
Material: Plastic.
Terminals: Pin (printed circuit).
Material: Nickel iron alloy, tin plated.
Diameter: .030 ± .005 inch.
Length: .500 ± .030 inch.
Weight: 12.8 grams maximum.
3
For Parts Inquires submit RFQ to Parts Hangar, Inc.
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business