TECHNICAL DATA
NPN SILICON SWITCHING TRANSISTOR
Qualified per MIL-PRF-19500/317 Devices 2N2369A 2N2369AU 2N2369AUA 2N236...
TECHNICAL DATA
NPN SILICON SWITCHING
TRANSISTOR
Qualified per MIL-PRF-19500/317 Devices 2N2369A 2N2369AU 2N2369AUA 2N2369AUB Qualified Level 2N4449 2N4449U 2N4449UA 2N4449UB JAN JANTX JANTXV
MAXIMUM RATINGS
Ratings Collector-Emitter Voltage Emitter-Base Voltage Collector-Base Voltage Collector-Emitter Voltage Symbol VCEO VEBO VCBO VCES All UB 20 6.0 All others 15 4.5 Unit Vdc Vdc Vdc Vdc W W
40 40 @ TA = +250C @ TC = +250C Total Power Dissipation 2N2369A; 2N4449 0.50(1) 1.2(2) (5) All UA 0.50 1.2(2) 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
TO-18* (TO-206AA) 2N2369A
0
C
THERMAL CHARACTERISTICS
Characteristics Thermal Resistance, Junction-to-Case 2N2369A; 2N4449 All UA All UB All U Thermal Resistance, Ambient-to-Case 2N2369A; 2N4449 All UA All UB All U
1) Derate linearly 3.08 mW/0C above TA = +37.50C 2) Derate linearly 6.85 mW/0C above TC = +250C 3) Derate linearly 3.44 mW/0C above TA = +63.50C 4) Derate linearly 8.55 mW/0C above TC = +63.50C
TO-46 (TO-206AB) 2N4449
Symbol
Max. 146 125 135 117 325 350 437 291
0
Unit
RθJC
C/mW
SURFACE MOUNT UA*
RθJA
0
C/mW
SURFACE MOUNT UB*
5) Derate linearly 2.86 mW/0C above TC = +63.50C 6) Derate linearly 2.29 mW/0C above TC = +63.50C 7) Derate linearly 8.00 mW/0C above TC = +63.50C
SURFACE MOUNT U*
*See appendix A for package outline
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