This part is a kind of semiconductor called MP1000.

Function of this product has (MP1000 - MP1010) Silicon Bridge Rectifiers.

Manufacturers : Comchip Technology

Image and pinout :

Some of the text within the PDF file :

Silicon Bridge Rectifiers COMCHIP www.comchiptech.com MP1000 Thru 1010 Reverse Voltage: 50 - 1000 Volts Forward Current: 10 Amp Features - Diffused Junction - High Current Capability High Case Dielectric Strength High Surge Current Capability Ideal for Printed Circuit Board Application Plastic Material has Underwriters Laboratory Flammability Classification 94V-O MP-10 H J G + ~ A E ~ E - Mechanical Data - Case: Molded Plastic - Terminals: Plated Leads Solderable per MIL STD-202, Method 208 - Weight: 5.4 grams (approx.) - Mounting Position: Through Hole for #6 Screw - Mounting Torque: 5.0 Inch-pounds Maximum D Dim A B C D E C B Metal Heat Sink MP-10 Min Max 14.73 15.75 5.80 6.90 19.00 1.00 Ø Typical 5.11 6.14 Hole for # 6 screw G 3.60 4.00 H 10.30 11.30 [ ... ]

MP1000 PDF Datasheet Download