MIL-PRF-1/1159E
TABLE I. Requirements and tests - Continued.
NOTES:
1. Apply 25 kv epx, then raise epx to 30 kv.
2. Use of heat-dissipating connectors is not permitted during life testing.
3. The end point for vibration fatigue and shock shall be the anode current test (see MIL-STD-1311, method 1256).
4. With 2.5 V ac applied to each half of the filament, each If value shall be within the limits specified herein.
5. No sparking or other irregular operation shall occur during the last 30 seconds of the 1-minute test.
6. Shock-test mounting fixture, as specified on Drawing 288-JAN, or equivalent, shall be used for clamping tube base.
7. This test to be performed at the conclusion of the holding period.
Referenced documents. In addition to MIL-PRF-1, this document references MIL-STD-1311 and Drawing 288-JAN.
The margins of this specification are marked with vertical lines to indicate where changes from the previous issue were made. This
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