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TECHNICAL DATA
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/317
Devices Qualified Level
2N2369A 2N4449
JAN
2N2369AU 2N4449U
JANTX
2N2369AUA 2N4449UA
JANTXV
2N2369AUB 2N4449UB
MAXIMUM RATINGS
Ratings Symbol All UB All others Unit
Collector-Emitter Voltage VCEO 20 15 Vdc
Emitter-Base Voltage VEBO 6.0 4.5 Vdc
Collector-Base Voltage VCBO 40 Vdc TO-18* (TO-206AA)
Collector-Emitter Voltage VCES 40 Vdc 2N2369A
@ TA = +250C @ TC = +250C
Total Power Dissipation 2N2369A; 2N4449 0.50(1) 1.2(2) W
(5)
All UA 0.50 1.2(2) W
PT (6)
All UB 0.40 1.4(7)
(3)
All U 0.60 1.5(4)
Operating & Storage Junction Temperature Range Top, Tstg -65 to +200 0
C TO-46 (TO-206AB)
THERMAL CHARACTERISTICS 2N4449
Characteristics Symbol Max. Unit
Thermal Resistance, Junction-to-Case
2N2369A; 2N4449 146
All UA 125 0
C/mW SURFACE MOUNT
RJC
All UB 135 UA*
All U 117
Thermal Resistance, Ambient-to-Case
2N2369A; 2N4449 325
All UA 350 0
C/mW SURFACE MOUNT
RJA
All UB 437 UB*
All U 291
1) Derate linearly 3.08 mW/0C above TA = +37.50C 5) Derate linearly 2.86 mW/0C above TC = +63.50C
2) Derate linearly 6.85 mW/0C above TC = +250C 6) Derate linearly 2.29 mW/0C above TC = +63.50C
3) Derate linearly 3.44 mW/0C above TA = +63.50C 7) Derate linearly 8.00 mW/0C above TC = +63.50C SURFACE MOUNT
4) Derate linearly 8.55 mW/0C above TC = +63.50C U*
*See appendix A for
package outline
6 Lake Street, Lawrence, MA 01841 120101
1-800-446-1158 / (978) 794-1666 / Fax: (978) 689-0803 Page 1 of 2
2N2369A; UA; UB; U; 2N4449; UA; UB; U JAN SERIES
ELECTRICAL CHARACTERISTICS (TA = 250C unless otherwise noted)
Characteristics Symbol Min. Max. Unit
OFF CHARACTERISTICS
Collector-Emitter Breakdown Voltage
V(BR)CEO 15 Vdc
IC = 10 mAdc
Collector-Emitter Cutoff Current
ICES 0.4