This part is a kind of semiconductor called FSP150.

Function of this product has 150 WATT SWITCHING POWER SUPPLIES.

Manufacturers : Fortron

Image and pinout :

Some of the text within the PDF file :

FSP150 SERIES 150 WATT SWITCHING POWER SUPPLIES GENERAL SPECIFICATIONS Construction Connectors / Terminals Efficiency Turn on delay time Power Factor Dielectric Isolation MTBF (per MIL-HDBK-217F) 94V-1 rated polyphenylene-oxide case IEC 320/C14 inlet. Options for DC Out. 88% min , at 110 VAC or 240 VAC 5 Sec max 0.95 typical 3000VAC from input to output 1500VAC from input to ground 100,000 hours minimum at full load at 25 °C ambient UNIVERSAL INPUT FEATURES ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ Wide range input 90 to 260VAC Standby consumption < 1W Low safety ground leakage current Low ripple and noise Fast transient response Overcurrent, Short-circuit, Overvoltage, and Thermal protections 100% burn-in at full rated load Meets EN55022, FCC Class B, VCC, EN61000 Class A,D Compliant with Ro [ ... ]

FSP150 PDF Datasheet Download