MIL-PRF-1/99E
TABLE I. Testing and inspection - Continued.
Limits
MIL-STD-1311
Conditions
Symbol
Unit
Requirement or test
method
Min
Max
Conformance inspection,
part 2 - Continued
1101
---
---
---
---
Secureness of base, cap,
or insert
1105
---
---
---
---
Permanence of marking
Conformance inspection,
part 3
---
Group B; Ehk = 135 V
---
---
---
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Life-test provisions
µA dc
---
Total grid current and
Ic1
0
- 4.0
Life-test end points
Power oscillation (1)
Po
27
---
(500 hours)
W
NOTES:
1.
Tube type 5933 has been deleted from this tube specification sheet.
For replacement purposes, use tube type 5933WA, MIL-E-1/852.
2.
The beam forming plate lead and the cathode lead shall be individually passed through the glass stem of the tube and shall be
electrically connected together only at the base pin.
3.
This test to be performed at the conclusion of the holding period.
4.
A protective resistor of 15,000 ohms shall be placed in series with the primary emission current meter.
Grid No. 2 input power shall be calculated as 2.46 times the product of the rectified current and rectified voltage.
Test duration shall be sufficient to obtain a stabilized negative Ic2 value.
5.
The hexaphase short and discontinuity test may be used as an alternate equivalent test for transmitting tubes (see figure 1).
3
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