Document
A2N297 (GERMANIUM)
CdE~ (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
"
"'""~'""I'"o
"o 20 40 60 80 100 110 "TC' Case Temperature (oC)
2-14
2N297 A (continued)
ELECTRICAL CHARACTERISTICS (TC = 250 C unless otherwise notedj
Chancterlstic
Symbol
Minimum
DC Current Transfer Ratio
VeE '" 2V
Ie= 0.5 Adc
DC Current Transfer Ratio
VeE = .2 V Ie= 2.0 Ade
Small-Signal Current Transfer Ratio Cutoff Frequency
VeE = 14 Vde Ie = 0.5 Amp
Emitter-Base Cutoff Current
VE.