This part is a kind of semiconductor called DB25-005.

Function of this product has Three-Phase Si-Bridge Rectifiers.

Manufacturers : Diotec Semiconductor

Image and pinout :

Some of the text within the PDF file :

DB 25-005 … DB 25-16 Three-Phase Si-Bridge Rectifiers Dreiphasen-Si-Brückengleichrichter Nominal current Nennstrom Repetitive peak reverse voltage Periodische Spitzensperrspannung Plastic case with alu-bottom Kunststoffgehäuse mit Alu-Boden Dimensions Abmessungen 25 A 50…1600 V 28.5 x 28.5 x 10 [mm] 21 g Weight approx. – Gewicht ca. Compound has classification UL94V-0 Vergußmasse UL94V-0 klassifiziert Dimensions / Maße in mm Standard packaging: bulk see page 22 Standard Lieferform: lose im Karton s. Seite 22 Recognized Product – Underwriters Laboratories Inc.® File E175067 Anerkanntes Produkt – Underwriters Laboratories Inc.® Nr. E175067 Maximum ratings Type Typ DB 25-005 DB 25-01 DB 25-02 DB 25-04 DB 25-06 DB 25-08 DB 25-10 DB 25-12 DB 25-14 DB 25-16 max. alternatin [ ... ]

DB25-005 PDF Datasheet Download