NTE2543 Silicon NPN Transistor Darlington, Motor/Relay Driver Absolute Maximum Ratings: Collector Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V Collector Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250V Emitter Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Base Current. IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A Collector Power Dissipation (TFL = +25°C), PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Electrical Characteristics: Parameter Symbol Test Conditions Min Typ Max Unit Collector Cutoff Current ICBO VCB = 300V, IE = 0 – – 100 µA Emitter Cutoff Current IEBO VEB = 20V, IC = 0 – – 10 mA 250 – – V Collector–Emitter Breakdown Voltage DC Current Gain V(BR)CEO IC = 25mA, RBE = ∞ hFE VCE = 2V, IC = 2A 2000 – – Collector–Emitter Saturation Voltage VCE(sat) IC = 2A, IB = 2mA – – 1.5 V Base–Emitter Saturation Voltage VBE(sat) IC = 2A, IB = 2mA – – 2.0 V Schematic Diagram C B E .402 (10.2) Max .173 (4.4) Max .224 (5.7) Max .122 (3.1) Dia .114 (2.9) Max .295 (7.5) .165 (4.2) .669 (17.0) Max B C E .531 (13.5) Min .100 (2.54) .059 (1.5) Max NOTE: Tab is isolated