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NTE105
Germanium PNP Transistor
Audio Power Amp
Description:
The NTE105 is a germanium PNP power transistor in a TO36 type package designed for use in power
switching and amplifier applications.
Absolute Maximum Ratings:
Collector–Emitter Voltage, V
Collector–Base Voltage, V
Emitter–Base Voltage, V
Continuous Base Current, I
Continuous Emitter Current, I
Total Device Dissipation (T
CES
CB
EB
B
E
= +25°C), P
C
D
Operating Junction Temperature Range, T
Thermal Resistance, Junction–to–Case, R
J
thJC
–65° to +100°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
150W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.5°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
OFF Characteristics
Collector–Emitter Breakdown Voltage V
Floating Potential V
Collector Cutoff Current I
Emitter Cutoff Current I
ON Characteristics
DC Current Gain h
Collector–Emitter Saturation Voltage V
Base–Emitter Voltage V
(TC = +25°C unless otherwise specified)
(BR)CEOIC
V
(BR)CESIC
EBF
CBO
EBO
FE
CE(sat)IC
BE
= 1A, IB = 0, Note 1 25 – – V
= 300mA, VBE = 0, Note 1 40 – – V
VCB = 40V, IE = 0 – – 1.0 V
VCB = 2V, IE = 0 – 0.1 – mA
VCB = 40V, IE = 0 – 2.0 8.0 mA
VCB = 40V, IE = 0, TB = +71°C – – 15 mA
VBE = 20V, IC = 0 – 1.0 8.0 mA
VCE = 2V, IC = 5A 20 – 40
VCE = 2V, IC = 12A – 20 –
= 12A, IB = 2A – 0.3 – V
VCE = 2V, IC = 5A – 0.65 – V
Note 1. Pulse test: Pulse Width ≤ 300µs, Duty Cycle ≤ 2%.
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Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Dynamic Characteristics
Common–Emitter Cutoff Frequency fαe VCE = 6V, IC = 5A – 10 – kHz
Switching Characteristics
Rise Time t
Fall Time t
.520 (13.2)
Max
.710
(18.03)
Max
VCE = 12V, IC = 12A, IB = 2A – 15 – µs
r
VBE = 6V, IC = 0, RBE = 10Ω – 15 – µs
f
1.250 (31.75
Dia Max
1.005 (25.55)
Dia Max
.500
(12.7)
Max
.312 (7.93)
10–32 UNF–2A
Emitter
Base
.190 (4.83)
.345 (8.76)
Collector/Case
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