This part is a kind of semiconductor called 1N5407.

Function of this product has 3.0A RECTIFIER.

Manufacturers : Diodes Incorporated

Image and pinout :

Some of the text within the PDF file :

1N5400 - 1N5408 3.0A RECTIFIER Features · · · · · Diffused Junction High Current Capability and Low Forward Voltage Drop Surge Overload Rating to 200A Peak Low Reverse Leakage Current Plastic Material: UL Flammability Classification Rating 94V-0 A B A D DO-201AD Dim A B C D Min 25.40 7.20 1.20 4.80 Max ¾ 9.50 1.30 5.30 C Mechanical Data · · · · · · Case: Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 1.1 grams (approx.) Mounting Position: Any Marking: Type Number All Dimensions in mm @ TA = 25°C unless otherwise specified Maximum Ratings and Electrical Characteristics Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Characteristic Peak Repetitive Reverse [ ... ]

1N5407 PDF Datasheet Download