MIL-PRF-19500/514D
TABLE I. Group A inspection - Continued.
Inspection 1/
Symbol
Limit
Unit
Method
Conditions
Min
Max
Subgroup 3
TA = +150°C
High-temperature operation:
3041
ICEX2
1.0
mA dc
Collector to emitter cutoff
Bias condition A; VBE = -1.5 V dc
current
VCE = 120 V dc
2N6274
VCE = 180 V dc
2N6277
TA = -55°C
Low-temperature operation :
3076
hFE4
10
Forward-current transfer
VCE = 4.0 V dc; IC = 20 A dc;
ratio
pulsed (see 4.5.1)
Subgroup 4
Pulse response:
3251
Test condition A, except test circuit and
pulse requirements in accordance with
figure 2 herein.
µs
Turn-on time
VCC = 80 V dc; IC = 20 A dc;
ton
0.5
IB = 2.0 A dc
µs
Turn-off time
VCC = 80 V dc; IC = 20 A dc;
toff
1.05
IB1 = IB2 = 2.0 A dc
|hfe|
Magnitude of common
3306
VCE = 10 V dc; IC = 1 mA dc; f = 10
3
12
emitter small-signal short-
MHz
circuit forward- current
transfer ratio
Open capacitance
3236
VCB = 10 V dc; IE = 0;
Cobo
600
pF
(open circuit)
f = 1.0 MHz
Subgroup 5
TC = +25°C; t = 1 s; 1 cycle;
Safe operating area (dc
3051
operation)
(See figure 3)
Test 1
VCE = 5 V dc; IC = 50 A dc
Test 2
VCE = 86 V dc; IC = 165 mA dc
Test 3
VCE = 8 V dc; IC = 29 A dc
2N6274
Test 4
VCE = 120 V dc; IC = 110 mA dc
2N6277
See footnotes at end of table.
8
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