2N 178 (GERMANIUM)
2N554
2N555
~
PNP germanium power
transistor for non-critical power amplifier and power switching applications re-
CASE 11 (TO-3)
quiring economical components.
MAXIMUM RATINGS
Rating
Symbol
2N:178 2N554 2N555 Unit
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current
Total Device ,Dissipation @ TC = BO°C
Operating and Storage Junction Temperature Range
VCER VCB VEB
Ie
PD TJ , Tstg
30 16 30 Vdc
30 15 30 Vdc
20 15 15 Vdc
3.
0 Adc
10 Watts
-40 to +90
°c
50
POWER-TEMPERATURE DERATING CURVE
1\.
1\
""' "-
,1'\ r\
o :0
IU I
10o
TC.
CASE TEMPERATURE (OC)
2N178, 2N555
SAFE OPERATING AREAS.
•5 _An
•5
• POWER DISSIPATIO...