This part is a kind of semiconductor called SR3040PT.

Function of this product has (SR3020PT - SR30150PT) 30.0 AMPS. Schottky Barrier Rectifiers.

Manufacturers : Taiwan Semiconductor Company

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30.0 AMPS. Schottky Barrier Rectifiers TO-3P/TO-247AD SR3020PT - SR30150PT Features Dual rectifier construction, positive center-tap Plastic package has Underwriters Laboratory Flammability Classifications 94V-0 Metal silicon junction, majority carrier conduction Low power loss, high efficiency High current capability, low VF High surge capability Epitaxial construction For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications High temperature soldering guaranteed: 260oC/10seconds,0.17”(4.3mm)lead lengths at 5 lbs., (2.3kg) tension Mechanical Data Cases: JEDEC TO-3P/TO-247AD molded plastic Terminals: Pure tin plated, lead free. solderable per MIL-STD-750, Method 2026 Polarity: As marked Mounting position: Any Weight: 0.2 [ ... ]

SR3040PT PDF Datasheet Download