BUY 2SD537 https://www.utsource.net/itm/p/998087.html
Silicon NPN Power Transistors
Description: 2SD537 is a NPN silicon transistor manufactured by Toshiba. Features: High collector-emitter voltage (Vceo): 60V Collector-base voltage (Vcb): 60V Collector current (Ic): 0.5A Power dissipation (Pc): 1.5W Transition frequency (ft): 30MHz Operating temperature range: -55 to +150 °C Application: 2SD537 is used for general purpose switching and amplification applications. It is suitable for use in audio amplifiers, power switching circuits, and other applications requiring high current gain. (For reference only)