This is a DC-DC Step Up Red Color Boost Module with enable high-performance step-up switching current (BOOST) module. The module uses the second generation of high-frequency switching technology LM2577.
The 2SA-1266, 2SA1266-Y is 50V 150mA 400mW PNP Bipolar Transistor, manufactured in a plastic TO-92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor.
The 2SC2371 is a Silicon NPN power transistors, TO-126 package, High voltage 300V 100mA high frequency. For TV chroma output and vertical output applications.
The 2SC5241, 2SC-5241, C5241 5241 is a 600V 5A 30W NPN Bipolar Power Transistor, TO-220F Package High Voltage Transistor, Manufactured By NEC Semiconductor