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| NTE121 Germanium PNP Transistor Audio Frequency Power Amplifier Description: The NTE121 is a Germanium PNP Alloy Junction transistor in a TO3 type package designed as an audio frequency power output amplifier. Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Collector-Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V Collector-Emitter Voltage (RBE = 68), VCER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V Emitter-Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A Emitter Current, IE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A Base Current, IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A Power Dissipation (TC +55C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +100C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +100C Note 1. Matched pairs are available upon request (NTE121MP). Matched pairs have their gain specification (hFE) matched to within 10% of each other. Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Collector-Emitter Breakdown Voltage Collector Cutoff Current DC Current Gain Base-Emitter Input Voltage Collector-Emitter Saturation Voltage Transition Frequency Symbol V(BR)CER ICBO hFE VBE VCE(sat) fT Test Conditions IC(peak) = -0.6A, RBE = 68 VCB = 30V, IE = 0 VCE = 2V, IC = 20mA VCE = 2V, IC = 1A IC = 10A, IB = 1A VCB = 2V, IE = 1A Min 45 - 50 - - - Typ - - 90 0.38 0.3 300 Max - 0.5 165 - - - V V kHz Unit V mA .135 (3.45) Max .350 (8.89) .875 (22.2) Dia Max Seating Plane .312 (7.93) Min Emitter .215 (5.45) .040 (1.02) 1.187 (30.16) .665 (16.9) .156 (3.96) Dia (2 Holes) .430 (10.92) .188 (4.8) R Max Base .525 (13.35) R Max Collector/Case |
Price & Availability of NTE121
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