hf20-12s transistor of datasheet pdf

HF20-12S
Manufacturer : ASI[Advanced Semiconductor]
Description : SILICON POWER TRANSISTOR

HF20-12S
Manufacturer : Advanced Semiconductor
Description : NPN SILICON RF POWER TRANSISTOR

HF20-12S
Manufacturer : Advanced Semiconductor
Description : NPN Silicon RF Power Transistor(Ic:4.5 A,Vcbo: 36 V,Vceo: 18 V,Vebo: 4.0 V)(NPN ??????????????Ic:4.5 A,Vcbo: 36 V,Vceo: 18 V,Vebo: 4.0 V))

HF20-12S
Manufacturer : Advanced Semiconductor
Description : NPN SILICON RF POWER TRANSISTOR

HF20-12S
Manufacturer : ASI
Description : NPN silicon RF power transistor