Document
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 Collector Cutoff Current Emitter Cutoff Current DC Current Gain Symbol ICBO IEBO hFE VCE(sat) VBE(sat) Test Conditions VCB = 100V, IE = 0 VEB = 5V, IC = 0 VCE = 3V, IC = 0.5A VCE = 3V, IC = 1A Collector–Emitter Saturation Voltage Base–Emitter Saturation Voltage Collector–Base Breakdown Voltage Collector–Emitter Breakdown Voltage IC = 1A, IB = 2mA IC = 1A, IB = 2mA Min – – 1000 2000 – – 120 120 Typ – – – – – – – – Max 10 2.5 – 30000 1.5 2.0 – – V V V V Unit µA mA
V(BR)CBO IC = 100µA, IE = 0 V(BR)CEO IC = 10mA, RBE = ∞
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
.