This part is a kind of semiconductor called 2N6275.

Function of this product has POWER TRANSISTORS NPN SILICON.

Manufacturers : ON Semiconductor

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Some of the text within the PDF file :

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Order this document by 2N6274/D High-Power NPN Silicon Transistors . . . designed for use in industrial–military power amplifer and switching circuit applications. • High Collector Emitter Sustaining VCEO(sus) = 100 Vdc (Min) 2N6274 VCEO(sus) = 120 Vdc (Min) 2N6275 VCEO(sus) = 150 Vdc (Min) 2N6277 • High DC Current Gain hFE = 30–120 @ IC = 20 Adc hFE = 10 (Min) @ IC = 50 Adc • Low Collector–Emitter Saturation Voltage VCE(sat) = 1.0 Vdc (Max) @ IC = 20 Adc • Fast Switching Times @ IC 20 Adc tr = 0.35 µs (Max) ts = 0.8 µs (Max) tf = 0.25 µs (Max) • Complement to 2N6377–79 MAXIMUM RATINGS(1) Rating Collector–Base Voltage Emitter–Base Voltage 2N6274 2N6275 2N6277* *Motorola Preferred Device 50 AMPERE PO [ ... ]

2N6275 PDF Datasheet Download