MIL-PRF-19500/526H
* TABLE I. Group A inspection - Continued.
Limits
Symbol
Unit
Inspection 1/
Method
Conditions
Min
Max
Subgroup 5
TC = +25°C; t = 1 s, 1 cycle;
3051
Safe operating area
(continuous dc)
(see figure 3)
Test 1
VCE = 5 V dc; IC = 7 A dc
Test 2
VCE = 28 V dc; IC = 1.25 A dc
Test 3
VCE = 40 V dc; IC = 500 mA dc
Test 4
VCE = 75 V dc; IC = 100 mA dc
End-point electrical
Table I, subgroup 2
*
measurements
Safe operating area
3053
Load condition C, (unclamped
(switching)
inductive load) (see figure 4)
TC = +25°C; duty cycle ≤ 5 percent;
RS = 0.1 ohm; tr = tf ≤ 2 µs
tp ≈ 50 µs (vary to obtain IC);
Test 1
RBB1 = 5.0 ohms; VBB1 = 10 V dc;
RBB2 = 50 ohms; VBB2 = 4 V dc; IC =
4 A dc; L = 125 µH; VCC = 10 V dc;
R of inductor = 0.1 ohm
tp ≈ 25 µs (vary to obtain IC);
Test 2
RBB1 = 5.0 ohms; VBB1 = 10 V dc;
RBB2 = 50 ohms; VBB2 = 1.5 V dc; IC
= 1 A dc; L = 250 µH; VCC = 10 V
dc; R of inductor = 0.1 ohm
End-point electrical
Table I, subgroup 2
*
measurements
Load condition B; TA = +25°C;
Safe operating area
3053
(switching)
IC = 7 A dc; VCC = 45 V dc;
clamped voltage = 75 V dc, duty
cycle ≤ 5 percent;
RBB1 = 5.0 ohms;
VBB1 = 10 V dc;
RBB2 = 50 ohms;
VBB2 = -4 V dc; L = 250 µH;
R of inductor = 0.1 ohm;
RL = as required to limit IC
See footnotes at end of table.
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