bul53bsmd transistor of datasheet pdf

BUL53BSMD
Manufacturer : SEME-LAB[Seme
Description : ADVANCED DISTRIBUTED BASE DESIGN HIGH VOLTAGE, HIGH SPEED SILICON POWER TRANSISTOR

BUL53BSMD
Manufacturer : Semelab(Magnatec)
Description : Advanced Distributed Base Design,High Voltage,High Speed NPN Silicon Power Transistor(????????????????????????PN??????)

BUL53BSMD
Manufacturer : Seme LAB
Description : ADVANCED DISTRIBUTED BASE DESIGN HIGH VOLTAGE, HIGH SPEED NPN SILICON POWER TRANSISTOR

BUL53BSMD
Manufacturer : Semelab
Description : 250V Vce, 12A Ic, 20MHz NPN bipolar transistor