This part is a kind of semiconductor called SB3150.

Function of this product has (SB320 - SB3200) 3A Schottky Barrier Diode.

Manufacturers : Zibo Seno

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Some of the text within the PDF file :

Z ibo Seno Electronic Engineering Co., Ltd. SB320 – SB3200 3.0A SCHOTTKY BARRIER DIODE Features ! ! Schottky Barrier Chip Guard Ring Die Construction for Transient Protection ! High Current Capability A B ! Low Power Loss, High Efficiency ! High Surge Current Capability ! For Use in Low Voltage, High Frequency Inverters, Free Wheeling, and Polarity Protection Applications
















































































D A C Mechanical Data ! ! ! ! ! ! ! Case: DO-201AD, Molded Plastic Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 Polarity: Cathode Band Weight: 1.2 grams (approx.) Mounting Position: Any Marking: Type Number Lead Free: For RoHS / Lead Free Version, DO-201AD Dim Min Max 25.4 A 7.20 9.50 B 1.20 1.30 C 4.80 5.30 D All [ ... ]

SB3150 PDF Datasheet Download