MIL-PRF-19500/621D
TABLE I. Group A inspection - Continued.
MIL-STD-750
Limits
Inspection 1/
Symbol
Unit
Method
Conditions
Min
Max
Subgroup 4
Switching parameters
µs
Pulse delay time
See figure 4
td
0.2
µs
Pulse rise time
See figure 4
tr
1.3
µs
Pulse storage time
See figure 4
ts
1.4
µs
Pulse fall time
See figure 4
tf
1.2
Magnitude of small-signal
3306
VCE = -10 V dc; IC = -0.5 A dc;
|hfe|
4.0
20
short-circuit forward-
f = 1 MHz
current transfer ratio
Open circuit output
3236
VCB = -10 V dc; IE = 0;
Cobo
500
pF
capacitance
f = 100 kHz to 1 MHz
Subgroup 5
TC = +25°C; t ≥ 1 s1 cycle
Safe operating area
3051
(continuous dc)
(see figure 5)
Test 1
VCE = -11.5 V dc; IC = -10 A dc
Test 2
VCE = -45 V dc; IC = -2.5 A dc
Test 3
VCE = -60 V dc; IC = -0.9 A dc
TA = +25°C; IC = -10 A dc;
Safe operating area
3053
(clamped inductive)
VCC = -11.5 V dc;
(See figures 6 and 7)
Clamp voltage = 80 V dc
Electrical measurements
See table I, subgroup 2
Subgroups 6 and 7
Not applicable
1/ For sampling plan, see MIL-PRF 19500.
8
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