MIL-PRF-1/338J
TABLE I. Testing and inspection. - Continued.
Inspection
Method
Notes
Conditions
Symbol
Limits
Limits
Unit
MIL-STD-1311
Min
Max
Conformance
inspection, part 3
Life test
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Group C;
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Eb = 500 V dc;
Ec2 = 200 V dc;
Ec1/Ib = 20 mA dc
Life-test end point
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(500 hours):
Emission
1231
Eb = Ec1 = Ec2 = 25 V dc
Is
100
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mA dc
Power oscillation (2)
1236
3
Eb = 400 V dc;
Po
15
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W
Ec2 = variable;
(useful
Ic1 = 2mA dc;
power)
Ib = 75 mA dc;
F = 125 MHz;
Rg1 = 25,000
Base material
1216
3
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Zone 5 (min)
insulating quality
NOTES:
1.
This test shall be performed at the conclusion of the holding period.
2.
The base sleeve shall be tied to the cathode for each capacitance measurement.
3.
This specification sheet uses accept on zero defect sampling plan in accordance with MIL-PRF-1, table III.
3
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