This part is a kind of semiconductor called 2KBP005.

Function of this product has 2.0 Amp Glass Passivated Bridge Rectifier.

Manufacturers : MCC

Image and pinout :

Some of the text within the PDF file :

MCC TM Micro Commercial Components
  omponents 20736 Marilla Street Chatsworth    !"# $ %    !"# Features • Halogen free available upon request by adding suffix "-HF" • Glass Passivate Die Construction • Epoxy meets UL 94 V-0 flammability rating • Moisture Sensitivity Level 1 • Ideal for Printed Circuit Boards • Lead Free Finish/Rohs Compliant (Note1) ("P"Suffix designates Compliant. See ordering information) Maximum Ratings x Operating Temperature: -55qC to +165qC x Storage Temperature: -55qC to +165qC MCC Part Number Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage 2KBP005 50V 35V 50V 2KBP01 100V 70V 100V 2KBP02 200V 140V 200V 2KBP04 400V 280V 400V 2KBP06 600V [ ... ]

2KBP005 PDF Datasheet Download