MIL-PRF-19500/545K
TABLE II. Group D inspection - Continued.
Inspection 1/ 2/ 3/
Limit
Unit
Method
Conditions
Symbol
Min
Max
Subgroup 2.
Total dose irradiation
1019
Gamma exposure ,VCES = -64 V
Breakdown voltage, collector
3011
-80
V dc
Bias condition D, IC = -100 mA dc; IB = 0,
V(BR)CEO
to emitter
pulsed (see 4.5.1)
µA dc
Collector to emitter cutoff
3041
-2.0
Bias condition C, VCE = -60 V dc; VBE = 0
ICES1
current
Collector to emitter cutoff
3041
-2.0
mA
Bias condition C, VCE = -100 V dc; VBE = 0
ICES2
current
dc
µA dc
Collector to emitter cutoff
3041
-100
Bias condition D, VCE = -40 V dc; IB = 0
ICEO
current
µA dc
Emitter to base cutoff current
3061
-2.0
Bias condition D, VEB = -4 V dc; IC = 0
IEBO1
Emitter to base cutoff current
3061
-2.0
mA
Bias condition D, VEB = -5.5 V dc; IC = 0
IEBO2
dc
Forward-current transfer ratio
3076
VCE = -5 V dc; IC = -50 mA dc
[hFE1] 5/
2N5151
[10]
2N5153
[25]
Forward-current transfer ratio
3076
VCE = -5 V dc; IC = -2.5 A dc
[hFE2] 5/
2N5151
[15]
2N5153
[35]
VCE = -5 V dc; IC = -5 A dc. pulsed
Forward-current transfer ratio
3076
[hFE3] 5/
2N5151
[10]
2N5153
[20]
Base-emitter voltage
3066
-1.67
V dc
Test condition B, VCE = -5 V dc;
VBE
(non-saturated)
Base-emitter saturation
3066
Test condition A, IC = -2.5 A dc;
-1.67
V dc
VBE(sat)1
voltage
Base-emitter saturation
3066
-2.53
V dc
Test condition A, IC = -5 A dc;
VBE(sat)2
voltage
IC = -2.5 A dc; IB = -250 mA dc
VCE(sat)1
Collector-emitter saturation
3071
-0.86
V dc
voltage
IC = -5 A dc; IB = -500 mA dc
VCE(sat)2
Collector-emitter saturation
3071
-1.73
V dc
voltage
1/
Tests to be performed on all devices receiving radiation exposure.
2/
For sampling plan, see MIL-PRF-19500.
3/
Electrical characteristics apply to all device types unless otherwise noted.
4/
Subgroup 1 is an optional test and shall be specified on the contract when required.
5/
See method 1019 of MIL-STD-750 for how to determine [hFE] by first calculating the delta (1/hFE) from the pre- and
post-radiation hFE. Notice that [hFE] is not the same as hFE and cannot be measured directly. The [hFE] value
can never exceed the pre-radiation minimum hFE that it is based upon.
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