MIL-PRF-27G
TABLE V. Qualification inspection.
Inspection
Grade
Requirement
Method
paragraph
paragraph
4
5
6
Group I
Solderability 2/ - - - - - - - - - - - - - - - - - -
X
X
X
Resistance to solvents (3 samples) 1/ - -
X
X
Group II
Resistance to soldering heat - - - - - - - -
X
X
X
Thermal shock (T level only) - - - - - - - -
X
X
X
Terminal strength 4/ 5/ - - - - - - - - - - - -
X
X
X
Seal- - - - - - - - - - - - - - - - - - - - - - - - - -
X
Dielectric withstanding voltage:
At atmospheric pressure - - - - - - - - - -
X
X
X
At barometric pressure - - - - - - - - - -
X
X
X
Induced voltage - - - - - - - - - - - - - - - - -
X
X
X
Insulation resistance - - - - - - - - - - - - - -
X
X
X
3.13a
Electrical characteristics - - - - - - - - - - -
X
X
X
Temperature rise (2 units) - - - - - - - - -
X
X
X
4.7.13
Group III 5/
Corona discharge (when specified) - - - -
X
X
X
Salt atmosphere (when specified) - - - - -
X
X
Vibration - - - - - - - - - - - - - - - - - - - - - -
X
X
X
Shock - - - - - - - - - - - - - - - - - - - - - - - -
X
X
X
Dielectric withstanding voltage:
At reduced voltage - - - - - - - - - - - -
X
X
X
Induced voltage - - - - - - - - - - - - - - -
X
X
X
Winding continuity - - - - - - - - - - - - - -
X
X
X
Thermal shock (10 cycles) 6/ - - - - - - - -
X
X
X
Winding continuity 6/ - - - - - - - - - - - -
X
X
X
Immersion - - - - - - - - - - - - - - - - - - - -
X
X
Moisture resistance - - - - - - - - - - - - - -
X
X
Dielectric withstanding voltage:
At reduced voltage - - - - - - - - - - - -
X
Induced voltage - - - - - - - - - - - - - - - -
X
Insulation resistance - - - -- - - - - - - - -
X
3.13b
Winding continuity - - - - - - - - - - - - -
X
Overload - - - - - - - - - - - - - - - - - - - - -
X
X
X
Dielectric withstanding voltage:
At reduced voltage - - - - - - - - - - - -
X
X
Induced voltage - - - - - - - - - - - - - - -
X
X
Insulation resistance - - - - - - - - - - -
X
3.13a
Insulation resistance - - - - - - - - - - - -
X
3.13b
Winding continuity - - - - - - - - - - - - -
X
X
See footnotes at end of table.
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