TECHNICAL DATA
NPN SILICON MEDIUM POWER TRANSISTOR
Qualified per MIL-PRF-19500/ 207
Devices
Qualified Level
2N1479
2N1480
2N1481
2N1482
MAXIMUM RATINGS
Ratings
2N1479 2N1480
Symbol 2N1481 2N1482 Unit
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
40
55
Vdc
Vdc
Vdc
Adc
Adc
W
VCEO
VCBO
VEBO
IC
60
100
12
1.5
1.0
1.0
Base-Current
Total Power Dissipation @ TA = 250C
IB
PT
Operating & Storage Junction Temperature Range
-65 to +200
0C
TJ, T
stg
TO-5*
THERMAL CHARACTERISTICS
Characteristics
Symbol
Max.
Unit
0C/W
Thermal Resistance, Junction-to-Case
35
R
qJC
*See Appendix A for
Package Outline
ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted)
Characteristics
Symbol
Min.
Max.
Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
IC = 50 mAdc
40
55
Vdc
Vdc
2N1479, 2N1481
2N1480, 2N1482
V(BR)
CEO
Collector-Emitter Breakdown Voltage
VEB = 1.5 Vdc, IC = 0.25 mAdc
VEB = 1.5 Vdc, IC = 0.25 mAdc
Collector-Base Cutoff Current
VCB = 30 Vdc
VCB = 50 Vdc
Emitter-Base Cutoff Current
VEB = 12 Vdc
60
100
2N1479, 2N1481
2N1480, 2N1482
V(BR)
CEX
5.0
5.0
mAdc
mAdc
2N1479, 2N1481
2N1480, 2N1482
ICBO
10
IEBO
6 Lake Street, Lawrence, MA 01841
120101
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