NTE131 (PNP) & NTE155 (NPN)
Germanium Complementary Transistors
Audio Power Amplifier
Description:
The NTE131 (PNP) and NTE155 (NPN) are Germanium PNP Alloy Junction transistors in a Japanese
TO66 type package designed for use in audio power amplifier applications.
Absolute Maximum Ratings: (T
A
= +25
C unless otherwise specified)
CollectorBase Voltage, V
CBO
32V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CollectorEmitter Voltage, V
CES
32V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EmitterBase Voltage, V
EBO
10V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Collector Current, I
C
1A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Base Current, I
B
200mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
C
6W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature, T
J
+90
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
55
to +90
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. NTE131MP is a matched pair of NTE131 with their DC Current Gain (h
FE
) matched to within
10% of each other.
Electrical Characteristics: (T
A
= +25
C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Collector Cutoff Current
I
CEV
V
CE
= 32V, V
EB
= 1V
1
mA
Emitter Cutoff Current
I
EBO
V
EB
= 10V, I
C
= 0
1
mA
DC Current Gain
h
FE1
V
CB
= 0, I
E
= 100mA
35
170
h
FE2
V
CB
= 0, I
E
= 1A
36
185
CommonEmitter Cutoff Frequency
f
e
V
CB
= 2V, I
E
= 100mA
10
15
kHz
BaseEmitter ON Voltage
V
BE
V
CB
= 0, I
E
= 1A
0.4
V
CollectorEmitter Saturation Voltage
V
CE(sat)
I
C
= 1A, I
B
= 100mA
0.08
V
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