MIL-PRF-19500/525F
TABLE I. Group A inspection - Continued.
MIL-STD-750
Limits
Symbol
Unit
Inspection 1/
Method
Conditions
Min
Max
Subgroup 5- continued.
Safe operating area
Clamped inductive load;
TA = +25°C; duty cycle
(switching)
≤ 5 percent; tp = 1.5 ms; (vary
to obtain IC); VCC = 20 V dc;
IC = 8 A dc; L = 180 µH
(see figure 12)
2N6546, 2N6546T1, 2N6546T3
Clamp voltage = 350 V dc
2N6547, 2N6547T1, 2N6547T3
Clamp voltage = 450 V dc
Electrical measurements
Same as safe operating area
(unclamped inductive) above
Subgroups 6 and 7
Not applicable
1/
For sampling plan, see MIL-PRF-19500.
2/
This test required for the following end-point measurements only:
Group B, subgroups 2 and 3 (JAN, JANTX, and JANTXV).
Group C, subgroup 2 and 6.
Group E, subgroup 1.
L = 10 µH (approx. 10 turns, 1 row of #16ASG wire on an air core 2.875 inches (73.03 mm) ID) .0007 ohms, or
3/
equivalent.
4/
L = 1 mH (one each Miller type 7827 in parallel with two each series strung Miller type 7825 and this in series
with two each series strung Miller type 7827) .45 ohms, or equivalent.
14
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