This part is a kind of semiconductor called B250C5000-3300.
Function of this product has Silicon-Bridge Rectifiers.
Manufacturers : Diotec Semiconductor
Image and pinout :

Some of the text within the PDF file :
B…C 5000-3300 Silicon-Bridge Rectifiers Silizium-Brückengleichrichter Nominal current – Nennstrom Alternating input voltage Eingangswechselspannung Plastic case Kunststoffgehäuse Weight approx. – Gewicht ca. Plastic material has UL classification 94V-0 Gehäusematerial UL94V-0 klassifiziert Standard packaging: bulk Standard Lieferform: lose im Karton Dimensions / Maße in mm 5 A / 3.3 A 40…500 V 32 x 5.6 x 17 [mm] 9g see page 22 s. Seite 22 see page 28 see page 28 Mounting clamp BO 2 Befestigungsschelle BO 2 Recognized Product – Underwriters Laboratories Inc.® File E175067 Anerkanntes Produkt – Underwriters Laboratories Inc.® Nr. E175067 Maximum ratings Type Typ B40C 5000-3300 B80C 5000-3300 B125C 5000-3300 B250C 5000-3300 B380C 5000-3300 B500C 5000-3300 Alternating in [ ... ]
B250C5000-3300 PDF Datasheet Download
