MIL-PRF-1/10J
TABLE I. Test conditions - Continued.
MIL-
Acceptance
Limits
Unit
STD-
Requirement or test
Conditions
level
Symbol
1311
(see note 11)
Min
Max
Conformance inspection,
Method
part 2
-Continued
1121
Base strain
See note 8
---
---
---
---
---
2126
Envelope strain
2.5
---
---
---
---
1105
Permanence of
---
---
---
---
---
marking
MIL-
Limits
STD-
Requirement or test
Conditions
Symbol
Unit
1311
Min
Max
Conformance inspection,
part 3
1506
Heater-cycling life
Ef = 7.5 V;
---
---
---
---
heaters in parallel;
Ehk = +135 Vdc;
Ec = Eb = 0
---
Heater-cycling life-test
end-point:
1336
Heater-cathode
Ihk
---
15
---
leakage
1516
Stability life
Ehk = 135 V dc;
---
---
---
---
Ec = -2 Vdc;
Rg/g = 0.5 MegΩ;
TA = room
---
Stability life-test end
point (2 and 20 hours)
ĆEp
1321
Change in amplification
---
10
%
of individual tubes
t
See footnotes at end of table.
4
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