MIL-E-1/197F
TABLE I. Testing and inspection - Continued.
Limits
MIL-STD-1311
Conditions
Symbol
Requirement or test
Units
Method
Min
Max
Conformance inspection,
part 2 - Continued
Secureness of base, cap,
1101
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or insert
Glass envelope strain
1126
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Base pin solder depth
1111
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Permanence of marking
1105
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Conformance inspection,
part 3
Intermittent life
1501
Group B;
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Ehk = 200 V;
Eb = 400 V dc;
Ec2 = 300 V dc;
Ec1 = -22 V dc
Intermittent life-test
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Power output or
Po
4.0
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W
µmhos
end points (500 hours)
Transconductance
Sm
4,500
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NOTES:
1/ See "Reduced pressure (altitude) rating", and altitude, maximum peak voltage in the basic document.
2/ The following tests are to be the first tests performed after the holding period in the following sequence:
Total grid current: Emission.
3/ A grid resistor of 0.1 MegΩ shall be added; however, this resistor shall not be used when a thyratron-type
short indicator is used.
3
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