MIL-PRF-1/7J
TABLE I. Inspection tests - Continued.
Limits
MIL-STD-
Unit
1311
Requirement or test
Conditions
Acceptance
Symbol
method
level
(see note 11)
Min
Max
Conformance inspection,
part 2 - Continued.
1031
High-frequency vibration
No voltages
6.5
---
---
---
---
1041
Shock
675 G; Epp/a = 0
6.5
---
---
---
---
1031
Vibration-fatigue
6.5
---
---
---
---
---
Shock and vibration -
fatigue test end points:
μA dc
1336
Heater-cathode leakage
---
Ihk
---
15
1353
Operation of rectifiers
---
Io
14
---
mA dc
1121
Base strain
---
---
---
---
---
2126
Envelope strain
2.5
---
---
---
---
1105
Permanence of marking
---
---
---
---
---
MIL-STD-
Limits
Unit
1311
Requirement or test
Conditions
Symbol
method
Min
Max
Conformance inspection, part 3
1506
Heater-cycling life
Ef = 7.5 V; Ehk = 135 V dc;
---
---
---
---
Eb = 0
---
Heater-cycling life-test
end point:
μA dc
1336
Heater-cathode leakage
Ihk
---
20
1501
Intermittent life-test
TE = +165°C (min)
---
---
---
---
(see notes 9 and 10)
See notes at end of table.
3
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