This part is a kind of semiconductor called 2W10.

Function of this product has 2 Amp Single Phase Bridge Rectifier 50 to 1000 Volts.

Manufacturers : Micro Commercial Components

Image and pinout :

Some of the text within the PDF file :

MCC Features • • • •
  omponents 21201 Itasca Street Chatsworth    !"# $ %    !"# 2W005 THRU 2W10 2 Amp Single Phase Bridge Rectifier 50 to 1000 Volts WOL A Low Profile Package Any Mounting Position Silver Plated Copper Leads Surge Overload Rating Of 60 Amps Maximum Ratings • • • Operating Temperature: -55 °C to +150°C Storage Temperature: -55°C to +150°C Typical Thermal Resistance Of 40 °C/W Junction To Ambient Device Marking Maximum Recurrent Peak Reverse Voltage 50V 100V 200V 400V 600V 800V 1000V Maximum RMS Voltage 35V 70V 140V 280V 420V 560V 700V Maximum DC Blocking Voltage 50V 100V 200V 400V 600V 800V 1000v B MCC Catalog Number 2W005 2W01 2W02 2W04 2W06 2W08 2W10 2W005 2W01 2W02 2W04 2W06 2W08 2W10 D C [ ... ]

2W10 PDF Datasheet Download