Document
2N4048 thru 2N4053 (GERMANIUM)
fif
CASE7
PNP germanium power transistors designed for high-current applications requiring high gain and extremely low saturation voltage.
Collector connected to case
MAXIMUM RATINGS
Rating
Collector-Emitter Voltage
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current - Continuous
Total Device Dissipation @ T C =25° C
Derate above 25°C Operating and Storage Junction
Temperature Range
Symbol
2N4048 2N4049 2N4050 2N4051 2N4052 2N4053
VCEO
30 45 60
VCES
45 60 75
VCB
45 60 75
VEB 25
IC* Po •
TJ , Tstg •
30
60
170 2.0 -65 to +110
40
THERMAL CHARACTERISTICS
Unit
Vdc Vdc Vdc Vdc Adc Watts W!"C °c
Characteristic
Symbol
Max
Unit
Thermal ReSistance, Junction to Case 8JC
•
0.5
°C/W
FIGURE 1- AVERAGE POWER-TEMPERATURE DERATING CURVE
200
en
~
160
~
z:
' ";0::: 120
0en:
"CI)
is
0<:
80
LU
~
c-
cd- 40
o
20 40
FOR JRANSIENT tERMAL JSISTANCE lND SAFE OPERATING AREA INFORMATION. SEE FIGURES .