6 Lake Street, Lawrence, MA 01841 3/98 REV: A
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 Page 1 of 2
MAXIMUM RATINGS
Ratings Symbol 2N6274 2N6277 Units
Collector-Emitter Voltage VCEO 100 150 Vdc
Collector-Base Voltage VCBO 120 180 Vdc
Emitter-Base Voltage VEBO 6.0 Vdc
Base Current IB20 Adc
Collector Current IC50 Adc
Total Power Dissipation
@ TC = 250C (1)
@ TC = 1000C (2) PT250
143 W
W
Operating & Storage Junction
Temperature Range Tj, Tstg -65 to +200 0C
THERMAL CHARACTERISTICS
Characteristics Symbol Max. Unit
Thermal Resistance, Junction-to-Case RθJC 0.7 0C/W
1) Derate linearly 1.43 W/0C between TC = 250C and TC = 2000C
ELECTRICAL CHARACTERISTICS (TC = 250C unless otherwise noted)
Characteristics Symbol Min. Max. Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
IC = 50 mAdc 2N6274
2N6277 V(BR)CEO 100
150 Vdc
Collector-Emitter Cutoff Current
VCE = 50 Vdc 2N6274
VCE = 75 Vdc 2N6277 ICEO 50
50 µAdc
Collector-Emitter Cutoff Current
VCE = 120 Vdc, VBE = 1.5 Vdc 2N6274
VCE = 180 Vdc, VBE = 1.5 Vdc 2N6277 ICEX 10
10 µAdc
Emitter-Base Cutoff Current
VEB = 6.0 Vdc IEBO 100 µAdc
Collector-Base Cutoff Current
VCB = 120 Vdc 2N6274
VCB = 180 Vdc 2N6277 ICBO 10
10 µAdc
TECHNICAL DATA
2N6274 JAN, JTX, JTXV
2N6277 JAN, JTX, JTXV
Processed per MIL-PRF-19500/514
NPN POWER SILICON TRANSISTOR
TO-3 (TO-204AA)
MIL-PRF
QPL
DEVICES
6 Lake Street, Lawrence, MA 01841 3/98 REV: A
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 Page 2 of 2
2N6274, 2N6277 JAN SERIES
ELECTRICAL CHARACTERISTICS (con’t)
Characteristics Symbol Min. Max. Unit
ON CHARACTERISTICS (2)
Forward-Current Transfer Ratio
IC = 1.0 Adc, VCE = 4.0 Vdc
IC = 20 Adc, VCE = 4.0 Vdc
IC = 50 Adc, VCE = 4.0 Vdc hFE
50
30
10 120
Collector-Emitter Saturation Voltage
IC = 20 Adc, IB = 2.0 Adc
IC = 50 Adc, IB = 10 Adc VCE(sat) 1.0
3.0 Vdc
Base-Emitter Saturation Voltage
IC = 20 Adc, IB = 2.0 Adc VBE(sat) 1.8 Vdc
DYNAMIC CHARACTERISTICS
Magnitude of Common Emitter Small-Signal Short-Circuit
Forward Current Transfer Ratio
IC = 1.0 Adc, VCE = 10 Vdc, f = 10 MHz hfe3.0 12
Output Capacitance
VCB = 10 Vdc, IE = 0, f = 1.0 MHz Cobo 600 pF
SWITCHING CHARACTERISTICS
Turn-On Time
VCC = 80 Vdc; IC = 20 Adc; IB = 2.0 Adc ton 0.5 µs
Turn-Off Time
VCC = 80 Vdc; IC = 20 Adc; IB1 = -IB2 = 2.0 Adc toff 1.05 µs
SAFE OPERATING AREA
DC Tests
TC = +250C, 1 Cycle, t = 1.0 s
Test 1
VCE = 5.0 Vdc, IC = 50 Adc All Types
Test 2
VCE = 8.6 Vdc, IC = 29 Adc All Types
Test 3
VCE = 80 Vdc, IC = 165 mAdc 2N6274
Test 4
VCE = 120 Vdc, IC = 110 mAdc 2N6277
(2) Pulse Test: Pulse Width = 300µs, Duty Cycle ≤ 2.0%.
