NTE245 (NPN) & NTE246 (PNP) Silicon Complementary Transistors Darlington Power Amplifier Description: The NTE245 (NPN) and NTE246 (PNP) are silicon complementary Darlington transistors in a TO3 type case designed for use as output devices in general purpose amplifier applications. Features: D High DC Current Gain: hFE = 4000 Typ @ IC = 5A D Monolithic Construction with Built-In Base-Emitter Shunt Resistors Absolute Maximum Ratings: Collector-Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V Collector-Base Voltage, VCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80V Emitter-Base Voltage, VEB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10A Base Current, IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA Total Power Dissipation (TC = +25C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.857W/C Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +200C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +200C Thermal Resistance, Junction-to-Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.17C/W Electrical Characteristics: (TC = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 80 - - V OFF Characteristics Collector-Emitter SustainingVoltage Collector-Emitter Leakage Current Emitter Cutoff Current VCEO(sus) IC = 100mA, IB = 0, Note 1 ICEO VCE = 40V, IB = 0 - - 1.0 mA ICER VEB = 80V, RBE = 1k - - 1.0 mA VEB = 80V, RBE = 1k, TC = +150C - - 5.0 mA VBE = 5V, IC = 0 - - 2.0 mA IEBO Note 1. Pulse Test: Pulse Width = 300s, Duty Cycle = 2% Electrical Characteristics (Cont'd): (TA = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit ON Characteristics (Note 1) DC Current Gain Collector-Emitter Saturation Voltage Base-Emitter Voltage hFE VCE = 3V, IC = 5A 1000 - - VCE(sat) IC = 5A, IB = 20mA - - 2.0 V IC = 10A, IB = 50mA - - 4.0 V VCE = 3V, IC = 5A - - 3.0 V VBE Note 1. Pulse Test: Pulse Width = 300s, Duty Cycle = 2% NTE245 C B .135 (3.45) Max .875 (22.2) Dia Max .350 (8.89) Seating Plane E .312 (7.93) Min .040 (1.02) 1.187 (30.16) Emitter NTE246 .665 (16.9) .215 (5.45) C .430 (10.92) .188 (4.8) R Max B Base E .525 (13.35) R Max Collector/Case