Check for cracks in the casing or scorch marks on the board.
Typically available in a TO-3P or 5-pin SIP (Single In-line Package) . str f6267 datasheet pdf upd
As they began to review the datasheet, Taro noticed that the document was marked "UPD" in the corner. "Dr. Tanaka, what's the UPD marking on this datasheet?" he asked. Check for cracks in the casing or scorch marks on the board
The STR-F6267 incorporates several built-in features that minimize the need for external components, simplifying the design process: Provides high switching capacity. str f6267 datasheet pdf upd