MIL-PRF-19500/518D
* TABLE I. Group A inspection - Continued.
Inspection 1/
MIL-STD-750
Limits
Symbol
Unit
Method
Conditions
Min
Max
Subgroup 5 - Continued
Load condition B, TA = +25°C,
Safe operating area
3053
(clamped switching)
VCC = 20 V dc, tp ≈ 1.5 ms,
RBB1 = 5 Ω, (Vary to obtain IC
), duty cycle ≤ 5 percent,
IC ≈ 4 A dc, RBB2 = 100 Ω,
VBB2 = 1.5 V dc,
VBB1 ≈ 10 V dc,
L = 5 mH, at 4A,
R of inductor = .5 Ω, and
RLOAD = R of inductor. 6/
2N3766
Clamp voltage = 60 V dc
2N3767
Clamp voltage = 80 V dc
Device fails if clamp voltage
is not reached.
See table I, subgroup 2 herein,
End point electrical
ICEX1 and hFE2 electrical
measurements
tests
Subgroups 6 and 7
Not applicable
1/
For sampling plan, see MIL-PRF-19500.
2/
For resubmission of failed subgroup A1, double the sample size of the failed test or sequence of tests.
3/
Separate samples may be used.
4/
Not required for laser marked devices.
5/
This test required for the following end-point measurements only:
Group B, all steps (JAN, JANTX, and JANTXV).
Group C, subgroup 2.
Group E, subgroup 1.
6/
L = 5 mH (2 each Essex Stancor C-2688 in parallel 1A, 0.5 ohm, or equivalent (see 4.5.2).
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