MIL-PRF-19500/407E
* TABLE I. Group A inspection - Continued.
Inspection 1/
MIL-STD-750
Symbol
Limits
Unit
Method
Conditions
Min
Max
Subgroup 6 - Continued
Safe operating area
3053
Load condition C, (unclamped
(switching)
inductive load) (see figure 6),
TA = +25°C, duty cycle ≤ 10
percent, R ≤ 0.1 ohms
Test 1
tp = 5 ms (vary to obtain IC),
RBB1 = 2 ohms, VBB1 ≥ 10 V dc,
RBB2 = 100 ohms, VCC ≥ 10 V dc,
VBB2 = 1.5 V dc, IC = 15 A dc,
the coil used shall provide a
minimum inductance of 2 mH at
15 A dc with a maximum dc
resistance of 0.1 ohms (for
reference only: Signal Transformer
Co. CH-50, or equivalent) (see
4.5.2).
Test 2
tp = 20 ms (vary to obtain IC),
*
RBB1 = 30 ohms, VBB1 ≥ 10 V dc,
RBB2 = 100 ohms, VCC ≥ 10 V dc,
VBB2 = 0 V dc, IC = 4.2 A dc,
the coil used shall provide a
minimum inductance of 40 mH at
3.8 A dc with a maximum dc
resistance of 0.5 ohms (for
reference only: Signal Transformer
Co. CH-8, or equivalent) (see
4.5.2).
Electrical measurements
See table I, subgroup 2
Subgroup 7
TA = +25°C, duty cycle ≤ 10 percent,
Safe operating area
3053
(switching)
tp = 10ms (vary to obtain
IC), RS ≤ 0.1 ohms,
VCC ≥ 10 V dc, IC = 15 A dc,
clamp voltages = 90 V dc
(see figure 7)
Electrical measurements
See table I, subgroup 2
1/ For sampling plan, see MIL-PRF-19500.
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