BUW13A NPN Transistor 450V 15A 175W TO-3PN

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BUW13A NPN Transistor 450V 15A 175W TO-3PN The BUW13A NPN Power Transistor is a glass‑passivated, high‑speed switching device housed in a TO‑3PN metal‑flanged package designed for rugged thermal performance. BUW13A offers V CEO = 450 V, I C = 15 A, peak I CM = 30 A, and maximum power handling of 175 W at T C =25 °C. The collector is bonded directly to the metal baseplate, and pin-out follows: pin 1=Base, pin 2=Collector, pin 3=Emitter. It’s suitable for converters, inverters, motor drivers, and high-speed switching circuits. Features High‑voltage NPN transistor rated for 450 V collector‑emitter and 1000 V collector‑base. 15 A continuous collector current; up to 30 A peak for short pulses. 175 W maximum dissipation (at T C =25 °C); low thermal resistance of ~0.7 °C/W. Glass‑passivated die for enhanced reliability in high-speed power switching. TO‑3PN metal-flanged package with collector tied to the case; Base=pin 1, Collector=pin 2, Emitter=pin 3. Specifications Absolute Maximum Ratings Parameter Symbol Max. Unit Collector–Emitter Voltage (peak, V BE = 0) V CESM 1000 V Collector–Emitter Voltage (open base) V CEO 450 Collector–Emitter Saturation Voltage V CEsat 1.5 Collector Current (DC) I C 15 A Collector Current (peak value) I CM 30 Total Power Dissipation (T mb = 25 °C) P tot 175 W Fall Time t f 0.8 µs Dimensions Applications Power switching in DC/DC converter and inverter circuits. Motor control electronics, solenoid and relay drivers. High-speed switching regulators and power supplies. Industrial automation systems requiring reliable, high-voltage switching. Documents BUW13A Datasheet .