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MIL-PRF-19500-580 Semiconductor Device, Transistor, Pnp, Silicon Amplifier, Types 2N4234, 2N4235, And 2N4236, Jan, Jantx, And JantxvThis specification covers the performance requirements for PNP, silicon, amplifier transistor. Three levels of product assurance are provided for each device type as specified in MIL-PRF-19500.

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MIL-PRF-19500/580C
* TABLE II. Group E inspection (all quality levels) for qualification an requalification only.
Qualification and
large lot quality
conformance
Inspection
inspection
Method
Conditions
Subgroup 1
45 devices
c=0
0°C to + 100°C, 100 cycles
Thermal shock
1056
(glass strain)
Hermetic seal
1071
Fine leak
Gross leak
Electrical measurements
See 4.5.4, steps 1 and 2
Subgroup 2
45 devices
c=0
High temperature reverse
1039
Test condition A, 1,000 hours
bias
Electrical measurements
See 4.5.4, steps 1 and 2
Subgroup 4
Thermal impedance
Sample size N/A
curves
Subgroup 5
Not applicable
45 devices
Subgroup 8
c=0
1033
Condition B.
Reverse stability
12



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