2N297A
2N297A is PNP germanium power transistors manufactured by Motorola Semiconductor.
A 2N297 (GERMANIUM)
Cd E~ (TO-3)
PNP germanium power transistor for military and industrial power switching and amplifier applications. Operating temperature range and- collector dissipation rating exceeds military specifications.
MAXIMUM RATINGS
Rating
Collector-Base Voltage Collector-Emitter Voltage Collector-Emitter Voltage Emitter-Base Voltage Emitter Current Operating Temperature Range Collector Dissipauon at 25DC
Case Temperature
(8JC = 1 DC/w max)
Symbol
VCB VCES VCEO VEB
~
TJ PD
Value
60 50 40 40 5.0 -65 to ..110 85
Unit
Vdc Vdc Vdc Vdc Amp DC watts
POWER- TEMPERATURE DERATING CURVE 100 o o
"
"'""~'""I'"" 20
" TC' Case Temperature (o C)
100 110
2-14
2N297 A (continued)
ELECTRICAL CHARACTERISTICS (TC = 250 C unless otherwise notedj
Chancterlstic
Symbol
Minimum
DC Current Transfer Ratio
Ve E '" 2V
Ie= 0.5 Adc h FE
DC Current Transfer Ratio
Ve E = .2 V Ie= 2.0 Ade h FE .
.20
Small-Signal Current Transfer Ratio Cutoff Frequency fue
Ve E = 14 Vde Ie = 0.5...