TECHNICAL DATA
NPN SILICON MEDIUM POWER TRANSISTOR
Qualified per MIL-PRF-19500/207
Devices Qualified Level
2N1479 2N1480 2N1481 2N1482
MAXIMUM RATINGS
Ratings
Symbol 2N1479
2N1481 2N1480
2N1482
Unit
Collector-Emitter Voltage VCEO 40 55 Vdc
Collector-Base Voltage VCBO 60 100 Vdc
Emitter-Base Voltage VEBO 12 Vdc
Collector Current IC 1.5 Adc
Base-Current IB 1.0 Adc
Total Power Dissipation @ TA = 250C PT 1.0 W
Operating & Storage Junction Temperature Range TJ, Tstg -65 to +200 0C
THERMAL CHARACTERISTICS
Characteristics Symbol Max. Unit
Thermal Resistance, Junction-to-Case RθJC 35 0C/W
TO-5*
*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 2N1479, 2N1481
2N1480, 2N1482
V(BR)CEO
40
55
Vdc
Collector-Emitter Breakdown Voltage
VEB = 1.5 Vdc, IC = 0.25 mAdc 2N1479, 2N1481
VEB = 1.5 Vdc, IC = 0.25 mAdc 2N1480, 2N1482
V(BR)CEX
60
100
Vdc
Collector-Base Cutoff Current
VCB = 30 Vdc 2N1479, 2N1481
VCB = 50 Vdc 2N1480, 2N1482
ICBO
5.0
5.0
µAdc
Emitter-Base Cutoff Current
VEB = 12 Vdc IEBO 10 µAdc
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 1 of 2
2N1479, 2N1480, 2N1481, 2N1482 JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics Symbol Min. Max. Unit
ON CHARACTERISTICS (1)
Forward-Current Transfer Ratio
IC = 200 mAdc, VCE = 4.0 Vdc 2N1479, 2N1480
2N1481, 2N1482
hFE
20
35
60
100
Collector-Emitter Saturation Voltage
IC = 200 mAdc, IB = 20 mAdc 2N1479, 2N1480
IC = 200 mAdc, IB = 10 mAdc 2N1481, 2N1482
VCE(sat)
0.75
0.75
Vdc
Base-Emitter Voltage
IC = 200 mAdc, VCE = 4.0 Vdc VBE 1.5 Vdc
DYNAMIC CHARACTERISTICS
Forward Current Cutoff Frequency
IC = 5.0 mAdc, VCB = 28 Vdc fab 800 kHz
SWITCHING CHARACTERISTICS
Total Switching Time
VCC = 12 Vdc; RC = 59 Ω; IB0 = IB2 = 8.5 mAdc; IB1= 20 mAdc ton + toff 25 µs
(1) Pulse Test: Pulse Width = 300µs, Duty Cycle ≤ 2.0%.
6 Lake Street, Lawrence, MA 01841
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803
120101
Page 2 of 2
