NTE255 Silicon NPN Transistor Horizontal Driver, Amp Absolute Maximum Ratings: Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325V Collector–Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300V Emitter–Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mA Power Dissipation (TA = +25°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 850mW Power Dissipation (TCOLLECTOR LEAD = +25°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2W Maximum Operating Junction Temperature, TJmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C Thermal Resistance, Junction–to–Case (TCOLLECTOR LEAD = +25°C), RthJC . . . . . . . . . . . 62.5°C/W Thermal Resistance, Junction–to–Ambient (TA = +25°C), RthJA . . . . . . . . . . . . . . . . . . . . . . 147°C/W Electrical Characteristics: (TA = +25°C unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit µA Collector Cutoff Current ICBO VCB = 300V – – 1.0 DC Current Gain hFE IC = 50mA, VCE = 10V, Note 1 25 – – IC = 100mA, VCE = 10V, Note 1 30 – – IC = 250mA, VCE = 10V, Note 1 15 – – IC = 500mA, VCE = 10V, Note 1 10 – 50 Collector–Emitter Saturation Voltage VCE(sat) IC = 100mA, IB = 10mA, Note 1 – 0.2 0.5 V Base–Emitter Saturation Voltage VBE(sat) IC = 500mA, IB = 100mA, Note 1 – 0.9 1.2 V IC = 50mA 30 – 300 MHz Transition Frequency fT Output Capacitance Cob VCB = 10V, f = 1MHz – – 15 pF Input Capacitance Cib VBE = 0.5V, f = 1MHz – – 125 pF Note 1. Pulse Test: Pulse Width = 300µs. .200 (5.08) .180 (4.57) .100 (2.54) E B C .180 (4.57) .594 (15.09) .018 (0.46) .015 (0.38) 3.050 (1.27) .050 (1.27) .050 (1.27) .140 (3.55) .090 (2.28) R