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: (TA = +25C) Collector-Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32V Collector-Emitter Voltage (RBE 500), VCER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32V Emitter-Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A Base Current, IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA Power Dissipation (TA = +25C), PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3mW/C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +90C Lead Temperature (During Soldering, 1/16" 1/32" from case for 5sec), TL . . . . . . . . . . . . . . +245C Electrical Characteristics: (TA = +25C unless otherwise specified)
Parameter Collector-Base Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cutoff Current Emitter Cutoff Current DC Current Gain Base-Emitter Voltage Forward Current Transfer Cutoff Frequency Output Capacitance Symbol Test Conditions Min 32 10 - - 60 280 10 VCB = -5V, IE = 0 @ 0.45mc 80 Typ - - - - 90 - - - Max - - 10 500 175 380 20 105 mV kc pF Unit V V A A V(BR)CBO IC = 200A, IE = 0 V(BR)EBO IE = 200A, IC = 0 ICBO IEBO hFE VBE fhfe Cob VCB = -10V, IE = 0 VEB = -5V, TJ = +75C VCB = 1V, IC = 300mA VCE = 1V, IC = 300mA
.240 (6.09) Dia Max
.410 (10.4) Max
1.500 (38.1) Min
.018 (0.45) .071 (1.82) Dia Base
Emitter
Collector
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