View c4977 datasheet:

NPN HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR RC4977 MAIN CHARACTERISTICS Package I 3.0A CV 350V/400V CEOP (TO-126) 40W CPC(TO-220) 60W APPLICATIONS TO-126 TO-220 Energy-saving light Electronic ballasts High frequency switching power supply High frequency power transform Commonly power amplifier circuit FEATURES High breakdown voltage High current capability High switching speed High reliability RoHS product RoHS ORDER MESSAGE Order codes Markin

Keywords - ALL TRANSISTORS DATASHEET

 c4977.pdf Design, MOSFET, Power

 c4977.pdf RoHS Compliant, Service, Triacs, Semiconductor

 c4977.pdf Database, Innovation, IC, Electricity