BUY PQ09RA1 https://www.utsource.net/itm/p/1394974.html
VOLT REGULATOR|FIXED|+9V|BIPOLAR|SIP|4PIN|PLASTIC
Description: PQ09RA1 is a TO-4 package transistor manufactured by Sharp. Features: Low collector-emitter saturation voltage High current gain High breakdown voltage High frequency operation Applications: High-speed switching circuits DC-DC converters High frequency amplifiers Motor control circuits (For reference only)