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 = +25C unless otherwise specified) A CollectorBase Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32V CBO CollectorEmitter Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32V CES EmitterBase Voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V EBO Collector Current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A C Base Current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA B Power Dissipation, P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6W C Operating Junction Temperature, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +90C J Storage Temperature Range, T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 to +90C stg Note 1. NTE131MP is a matched pair of NTE131 with their DC Current Gain (h ) matched to within FE 10% of each other. Electrical Characteristics: (T = +25C unless otherwise specified) A Parameter Symbol Test Conditions Min Typ Max Unit Collector Cutoff Current I V = 32V, V = 1V 1 mA CEV CE EB Emitter Cutoff Current I V = 10V, I = 0 1 mA EBO EB C DC Current Gain h V = 0, I = 100mA 35 170 FE1 CB E h V = 0, I = 1A 36 185 FE2 CB E CommonEmitter Cutoff Frequency f V = 2V, I = 100mA 10 15 kHz e CB E BaseEmitter ON Voltage V V = 0, I = 1A 0.4 V BE CB E CollectorEmitter Saturation Voltage V I = 1A, I = 100mA 0.08 V CE(sat) C B.593 (15.08) .290 (7.36) Dia .031 (.792) .295 (7.5) .039 (1.0) Dia .944 (24.0) Base .530 (13.5) .157 (4.0) Dia (2 Places) .315 (8.0) Collector/Case Emitter