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: (T = +25 C) A Collector Base Voltage, V ....................................................... 32V CBO CollectorEmitter Voltage (R 500 ), V ......................................... 32V BE CER EmitterBase Voltage, V ......................................................... 10V EBO Collector Current, I ................................................................. 1A C Base Current, I ................................................................. 40mA B Power Dissipation (T = +25 C), P .............................................. 550mW A C Derate Above 25 C ..................................................... 0.3mW/ C Storage Temperature Range, T ........................................... 55 to +90 C stg Lead Temperature (During Soldering, 1/16 1/32 from case for 5sec), T .............. +245 C L Electrical Characteristics: (T = +25 C unless otherwise specified) A Parameter Symbol Test Conditions Min Typ Max Unit CollectorBase Breakdown Voltage V I = 200 A, I = 0 32 V (BR)CBO C E EmitterBase Breakdown Voltage V I = 200 A, I = 0 10 V (BR)EBO E C Collector Cutoff Current I V = 10V, I = 0 10 A CBO CB E Emitter Cutoff Current I V = 5V, T = +75 C 500 A EBO EB J DC Current Gain h V = 1V, I = 300mA 50 90 175 FE CB C BaseEmitter Voltage V V = 1V, I = 300mA 280 600 mV BE CE C Forward Current Transfer Cutoff f 10 20 kc hfe Frequency Output Capacitance C V = 5V, I = 0 0.45mc 80 105 pF ob CB E Rev. 713.240 (6.09) Dia Max .410 (10.4) Max .250 (6.35) Min .018 (0.45) .071 (1.82) Dia Base Collector Emitter