NTE2544 Silicon NPN Transistor Darlington Driver Features: D Darlington Conncetion D High DC Current Gain D Low Dependence of DC Current Gain on Temperature Applications: D Motor Driver D Printer Hammer Driver D Relay Driver Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120V Collector–Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120V Emitter–Base Voltge, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Collector Current, IC Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0A Collector Dissiption, PC TA = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W TC = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Collector Cutoff Current ICBO VCB = 100V, IE = 0 – – 10 µA Emitter Cutoff Current IEBO VEB = 5V, IC = 0 – – 2.5 mA DC Current Gain hFE VCE = 3V, IC = 0.5A 1000 – – VCE = 3V, IC = 1A 2000 – 30000 Collector–Emitter Saturation Voltage VCE(sat) IC = 1A, IB = 2mA – – 1.5 V Base–Emitter Saturation Voltage VBE(sat) IC = 1A, IB = 2mA – – 2.0 V Collector–Base Breakdown Voltage V(BR)CBO IC = 100µA, IE = 0 120 – – V Collector–Emitter Breakdown Voltage V(BR)CEO IC = 10mA, RBE = ∞ 120 – – V Schematic Diagram C B E .330 (8.38) Max .175 (4.45) Max .450 (11.4) Max .118 (3.0) Dia .655 (16.6) Max .030 (.762) Dia E C B .090 (2.28) .130 (3.3) Max