This part is a kind of semiconductor called DM0565R.

Function of this product has FSDM0565R.

Manufacturers : Fairchild Semiconductor

Image and pinout :

Some of the text within the PDF file :

www.fairchildsemi.com FSDM0565R Features Green Mode Fairchild Power Switch (FPSTM) • Internal Avalanche Rugged Sense FET • Advanced Burst-Mode operation consumes under 1 W at 240VAC & 0.5W load • Precision Fixed Operating Frequency (66kHz) • Internal Start-up Circuit • Pulse by Pulse Current Limiting • Abnormal Over Current Protection (AOCP) • Over Voltage Protection (OVP) • Over Load Protection (OLP) • Internal Thermal Shutdown Function (TSD) • Auto-Restart Mode • Under Voltage Lock Out (UVLO) with hysteresis • Low Operating Current (2.5mA) • Built-in Soft Start OUTPUT POWER TABLE 230VAC ±15%(3) PRODUCT FSDM0565R FSDM07652R Adapter(1) 60W 70W Open Frame(2) 70W 80W 85-265VAC Adapter(1) 50W 60W Open Frame(2) 60W 70W Table 1. Notes: 1. Typica [ ... ]

DM0565R PDF Datasheet Download