NTE2540 Silicon NPN Transistor Darlington, High Voltage Switch TO−220 Full Pack Features: D High DC Current Gain: hFE = 600 Min (VCE = 2V, IC = 2A) D Monolithic Construction w/Built−In Base−Emitter Shunt Resistor Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Collector Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600V Collector Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400V Emitter Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6A Base Current. IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1A Collector Power Dissipation, PC TA = +25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2W TC = +25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55 to +150C Electrical Characteristics: (TA = +25C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Collector Cutoff Current ICBO VCB = 600V, IE = 0 − − 0.5 mA Emitter Cutoff Current IEBO VEB = 5V, IC = 0 − − 3 mA 400 − − V VCE = 2V, IC = 2A 600 − − VCE = 2V, IC = 4A 100 − − Collector−Emitter Breakdown Voltage DC Current Gain V(BR)CEO IC = 10mA, IB = 0 hFE Collector−Emitter Saturation Voltage VCE(sat) IC = 4A, IB = 40mA − − 2.0 V Base−Emitter Saturation Voltage VBE(sat) IC = 4A, IB = 40mA − − 2.5 V IE = 4A, IB = 0 − − 3.0 V Emitter−Collector Forward Voltage VECF Collector Output Capacitance Cob VCB = 50V, IE = 0, f = 1MHz − 35 − pF Turn−On Time ton − 1 − s Storage Time tstg VCC = 100V, IB1 = −IB2 = 40mA, Duty Cycle 1% − 8 − s − 5 − s Fall Time tf Rev. 6−15 Darlington Internal Schematic C B E .402 (10.2) Max .224 (5.7) Max .122 (3.1) Dia .295 (7.5) .165 (4.2) .669 (17.0) Max B C E .531 (13.5) Min .100 (2.54) .059 (1.5) Max .173 (4.4) Max .114 (2.9) Max