This part is a kind of semiconductor called IN5400.

Function of this product has PLASTIC SILICON RECTIFIER.

Manufacturers : CHENG YI

Image and pinout :

Some of the text within the PDF file :

IN5400 thru IN5408 PLASTIC SILICON RECTIFIER CHENG- YI ELECTRONIC VOLTAGE RANGE 50 TO 1000 Volts CURRENT 3.0 Amperes DO-201AD FEATURE Low forward voltage High current capability Low leakage current High surge capability Low cost MECHANICAL DATA Case:Mold plastic use UL 94V-0 recognized flame retardant epoxy Terminals:Axial leads, solderable per MIL-STD-202, method 208 Polarity:Color band denotes cathode Mounting Position:Any MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. IN5400 IN5401 IN5402 IN5403 IN5404 IN5405 IN5406 IN5407 IN5408 UNITS V V V A A V Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum D [ ... ]

IN5400 PDF Datasheet Download