bul53b transistor of datasheet pdf

BUL53B
Manufacturer : SEME-LAB[Seme
Description : ADVANCED DISTRIBUTED BASE DESIGN HIGH VOLTAGE HIGH SPEED SILICON POWER TRANSISTOR

BUL53B
Manufacturer : Seme LAB
Description : ADVANCED DISTRIBUTED BASE DESIGN HIGH VOLTAGE HIGH SPEED NPN SILICON POWER TRANSISTOR

BUL53B
Manufacturer : Semelab
Description : 250V Vce, 12A Ic, 20MHz NPN bipolar transistor