NTE158
Germanium PNP Transistor
Audio Power Amplifier
Description:
The NTE158 is a germanium PNP triode transistor in a TO1 type package designed for low–power,
large signal audio applications.
Absolute Maximum Ratings:
Collector–Base Voltage, V
Collector–Emitter Voltage (R
Emitter–Base Voltage, V
Collector Current, I
Base Current, I
B
Power Dissipation (T
EBO
C
= +25°C), P
A
(TA = +25°C)
CBO
≤ 500Ω), V
BE
C
CER
Derate Above 25°C 0.3mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
Lead Temperature (During Soldering, 1/16” ±1/32” from case for 5sec), T
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
Collector–Base Breakdown Voltage V
Emitter–Base Breakdown Voltage V
Collector Cutoff Current I
(TA = +25°C unless otherwise specified)
(BR)CBOIC
(BR)EBOIE
CBO
= 200µA, IE = 0 32 – – V
= 200µA, IC = 0 10 – – V
VCB = –10V, IE = 0 – – 10 µA
32V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
550mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +90°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
L
+245°C. . . . . . . . . . . . . .
Emitter Cutoff Current I
DC Current Gain h
Base–Emitter Voltage V
Forward Current Transfer Cutoff
Frequency
Output Capacitance C
EBO
FE
BE
f
hfe
ob
VEB = –5V, TJ = +75°C – – 500 µA
VCB = 1V, IC = 300mA 60 90 175
VCE = 1V, IC = 300mA 280 – 380 mV
10 – 20 kc
VCB = –5V, IE = 0 @ 0.45mc 80 – 105 pF