MIL-PRF-27/331C
Inches
mm
Inches
mm
9.53
.375
0.13
.005
12.70
.500
0.79
.031
22.23
.875
1.57
.062
61.93
2.438
1.60
.063
76.20
3.000
1.78
.070
85.73
3.375
3.18
.125
100.03
3.938
4.78
.188
133.35
5.250
4.83
.190
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Marking shall be on the sides of the case. Terminal identification shall be as shown on the figure.
4. Electrical values shall be marked as specified in table I.
5. For series output connect terminals 4 and 5 together. For parallel
output connect pins 3 to 4 and 5 to 6.
FIGURE 1. Dimensions and configurations - Continued.
REQUIREMENTS: (When numbers in parentheses, such as (1-2) are used, they indicate the winding and the
extreme terminals of the winding.)
Electrical ratings:
Primary voltage (1-2): 115 volts rms, 50 to 65 Hz.
Primary dc resistance: 1.08 ohms ±25 percent.
Secondary: See table I.
Volt-ampere:
160 VA (dash number 01).
170 VA (dash number 02 through 08).
Working voltage: 535 volts peak.
Design and construction:
Dimensions and configuration: See figure 1.
Duty cycle. Continuous.
Case: Metal enclosed.
Material: Steel.
Terminals: Solderable hook terminals.
Height: .375 ±.063 inch (9.53 ±1.60 mm).
Diameter: .062 ±.005 inch (1.57 ±0.13 mm).
2
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