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, VCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Collector–Base Voltage, VCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V Emitter–Base Voltage, VEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Continuous Base Current, IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A Continuous Emitter Current, IE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15A Total Device Dissipation (TC = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +100°C Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5°C/W Electrical Characteristics: (TC = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit OFF Characteristics Collector–Emitter Breakdown Voltage V(BR)CEO IC = 1A, IB = 0, Note 1 25 – – V V(BR)CES IC = 300mA, VBE = 0, Note 1 40 – – V Floating Potential VEBF VCB = 40V, IE = 0 – – 1.0 V Collector Cutoff Current ICBO 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 IEBO VBE = 20V, IC = 0 – 1.0 8.0 mA hFE VCE = 2V, IC = 5A 20 – 40 VCE = 2V, IC = 12A – 20 – VCE(sat) IC = 12A, IB = 2A – 0.3 – V VBE VCE = 2V, IC = 5A – 0.65 – V Emitter Cutoff Current ON Characteristics DC Current Gain Collector–Emitter Saturation Voltage Base–Emitter Voltage Note 1. Pulse test: Pulse Width ≤ 300µs, Duty Cycle ≤ 2%. Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit VCE = 6V, IC = 5A – 10 – kHz Dynamic Characteristics Common–Emitter Cutoff Frequency fαe Switching Characteristics Rise Time tr VCE = 12V, IC = 12A, IB = 2A – 15 – µs Fall Time tf VBE = 6V, IC = 0, RBE = 10Ω – 15 – µs 1.250 (31.75 Dia Max 1.005 (25.55) Dia Max .500 (12.7) Max .520 (13.2) Max .710 (18.03) Max .312 (7.93) 10–32 UNF–2A .190 (4.83) Emitter Base .345 (8.76) Collector/Case