MIL-PRF-19500/371H
TABLE I. Group A inspection Continued.
MIL-STD-750
Limits
Symbol
Unit
Inspection 1/ 2/
Method
Conditions
Min
Max
Subgroup 5 continued
Safe operating area
3053
Load condition C (unclamped inductive
(switching)
load) (see figures 11 and 12), TC =
+25°C; duty cycle ≤ 10 percent, RS =
0.1 Ω (see 4.5.1)
Test 1
tp approximately 3 ms (vary to obtain
IC); RBB1 = 20 Ω;
VBB1 = 10 V dc; RBB2 = 3 kΩ;
VBB2 = 1.5 V dc; IC = 3.5 A dc,
VCC = 50 V dc; L = 60 mH;
R = 3 Ω; RL ≤ 14 Ω.
Test 2
tp approximately 3 ms (vary to obtain
IC); RBB1 = 100 Ω;
VBB1 = 10 V dc; RBB2 = 3 kΩ;
VBB2 = 1.5 V dc; IC = 0.6 A dc;
VCC = 50 V dc; L = 200 mH;
R = 8 Ω; RL ≤ 83 Ω.
Safe operating area
3053
Clamped inductive load (see figures
11, 12, and 13); TC = +25°C; duty
(switching)
cycle ≤ 10 percent; tp = approximately
30 ms (vary to obtain IC);
RS = 0.1 Ω; RBB1 = 20 Ω;
VBB1 = 10 V dc; RBB2 = 100 ohms;
VBB2 = 1.5 V dc; VCC = 50 V dc;
IC = 3.5 A dc; (see figure 11);
RL ≥ 0 Ω; L = 60 mH; R = 3 Ω
A suitable clamping circuit or diode
can be used (see 4.5.1).
2N3902, 2N3902T1,
Clamp voltage = 400 +0, -5 V dc
2N3902T3
2N5157, 2N5157T1,
Clamp voltage = 500 +0, -5 V dc
2N5157T3
(clamped voltage must be reached)
Electrical
See table I, subgroup 2
measurements
1/
For sampling plan, see MIL-PRF-19500.
2/
Electrical characteristics and tests in this table apply to all package styles.
3/
This test required for the following end-point measurements only:
Group B, subgroups 2 and 3 (JAN, JANTX and JANTXV).
Group C, subgroups 2 and 6.
Group E, subgroup 1.
12
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