UTC HLB121 NPN EPITAXIAL SILICON TRANSISTOR NPN .
HLB121I - NPN Triple Diffused Planar Type High Voltage Transistor
HLB121J - NPN Transistor
HLB121 - NPN TRIPLE DIFFUSED PLANAR TYPE HIGH VOLTAGE TRANSISTOR
HLB121A - NPN Triple Diffused Planar Type High Voltage Transistor