This part is a kind of semiconductor called UF1002F.

Function of this product has (UF1000F - UF1008F) ULTRAFAST SWITCHING RECTIFIER.

Manufacturers : Pan Jit International

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Some of the text within the PDF file :

UF1000F THRU UF1008F ULTRAFAST SWITCHING RECTIFIER VOLTAGE - 50 to 800 Volts CURRENT - 10.0 Amperes FEATURES l Plastic package has Underwriters Laboratory Flammability Classification 94V-O Utilizing l l l l l Flame Retardant Epoxy Molding Compound Exceeds environmental standards of MIL-S-19500/228 Low power loss, high efficiency Low forward voltage, high current capability High surge capacity Ultra Fast recovery times, high voltage ITO-220AC MECHANICAL DATA Case: ITO-220AC full molded plastic package Terminals: Lead solderable per MIL-STD-202, Method 208 Polarity: As marked Mounting Position: Any Weight: 0.08 ounce, 2.24 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ¢J ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inducti [ ... ]

UF1002F PDF Datasheet Download