2N2357 thru 2N2359 (Germanium)
CASE 161 (TO-41)
Collector Connected to Case
PNP Germanium power transistors designed fo...
2N2357 thru 2N2359 (Germanium)
CASE 161 (TO-41)
Collector Connected to Case
PNP Germanium power
transistors designed for very high-current switching applications requiring low saturation voltages, fast switching times and good safe operating area.
MAXIMUM RATINGS
Rating
Symbol 2N2357 2N2358 2N2359 Unit
Collector-Emitter Voltage
VCEO 30 60 80 Vdc
Collector-Base Voltage
VCB
Emitter-Base Voltage
VEB
Collector Current - Continuous
IC
Base Current - Continuous
IB
Total Device Dissipation @TC =25° C Derate above 25° C
PD
Operating and Storage Junction Temperature Range
TJ' Tstg
60 100 2.5
- --50 - ---.- 10
120
170
- -2.0
- --65 to +110
Vdc
Vdc
Adc
Adc
Watts W/oC
°c
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Case
Symbol
8JC
Max
0.5
Unit
°C/W
FIGURE 1 - SUSTAINING VOLTAGE TEST CIRCUIT
Rl '" 1.0 Ohm, 20 Watts R2'" 10 Ohms, 2.0 Watts R3 = 0.1 Ohm, 1.0% R4 '$ 0.04 Ohm
*R5 IC Adjun @VCE = Vz
81: Adjust for '8(on) '"
82'" 2.0 Vdc, Adjust...