MIL-PRF-19500/383B
4.4.2.1 Group B inspection, table VIb (JAN, JANTX and JANTXV) of MIL-PRF-19500.
Subgroup
Method
Condition
Test condition C, T (high) = +175°C.
B2
1051
B2
1056
Test condition A.
VR = 60 V dc, TA = 150°C, t = 500 hours.
B3
1027
TA = 200°C, t = 500 hours.
B6
1032
Temperature coefficient of capacitance. See 4.5.2 herein. TA = -40°C to +85°C,max
B7
0.03 % / °C. VR = 4 V dc.
4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the conditions specified for subgroup testing in
table VII of MIL-PRF-19500 and as follows. Electrical measurements (end-points) shall be in accordance with table I, subgroup 2 herein.
4.4.3.1 Group C inspection, table VII of MIL-PRF-19500.
Subgroup
Method
Condition
C2
2036
Test condition A, 4 pounds, t = 15.
C2
2036
Test condition E.
C3
2016
1500 G, 0.5 ms, 5 blows in each orientation: X1, Y1, and Y2.
C3
2006
20,000 G, in each orientation: X1, Y1, and Y2.
VR = 60 V dc, TA = 150°C
C6
1026
4.5 Method of inspection. Methods of inspection shall be as specified in the appropriate tables and as follows.
4.5.1 Pulse measurements. Conditions for pulse measurement shall be as specified in section 4 of MIL-STD-750.
4.5.2 Temperature coefficient of capacitance test. Throughout the temperature range specified, the capacitance shall not change by
more than the amount specified relative to the capacitance value measured at TA = 25°C. The temperature coefficient of capacitance
may be computed by the following formula:
CT (+85°C ) - (-40°C )
100
TCC =
X
85 + 40
CT (25°C)
5
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