MIL-PRF-19978/3H
Symbol
Type of terminal
B
Solder lug (nonremovable)
D,H
Pillar insulator (for use at altitudes up
to 7,500 feet)
E
Pillar insulator (for use at altitudes up
to 50,000 feet)
Terminal
Terminal
Terminal dimensions
number
symbols
V, max
Y, min
Y, max
Z
1
B
.75
.812
2
E
1.375
.190-32 UNF-2A
.216-24 UNF-2A
.812
3
E
1.75
.190-32 UNF-2A
.216-24 UNF-2A
1.00
4
D,E
2.75
.190-32 UNF-2A
.3125-18 UNF-2A
1.438
5
H
4.250
.375-16 UNF-2A
.500-13 UNF-2A
3.000
Inches
mm
Inches
mm
Inches
mm
.020
.51
.156
3.69
1.438
36.53
.062
1.57
.438
11.13
1.75
44.45
.063
1.60
.75
19.05
2.75
69.85
.093
2.36
.812
20.62
3.000
76.20
.125
3.18
1.00
25.40
4.250
107.95
.140
3.56
1.375
34.93
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Unless otherwise specified, tolerances are ±.005 (.13 mm) for three place decimals and ±.02 (.51 mm) for two
place decimals.
4. Shape of terminal B (drilled, punches, forked, or slotted) is optional..
5. Capacitors having terminal D or E shall be supplied with necessary terminal hardware for each terminal (two nuts
(one of these may be fixed cap nut on the bushing) and one lockwasher); in addition, capacitors rated at 3,000
volts dc or less shall be supplied with a solder lug capable of accommodating a wire of .063 (1.60 mm) (No. 14
AWG) for each terminal.
FIGURE 1. Style CQ72 capacitors - Continued.
3
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