This part is a kind of semiconductor called SR160.

Function of this product has SCHOTTKY BARRIER RECTIFIER (VOLTAGE RANGE 20 to 60 Volts CURRENT 1.0 Ampere).

Manufacturers : Rectron Semiconductor

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Some of the text within the PDF file :

RECTRON SEMICONDUCTOR TECHNICAL SPECIFICATION SR120 THRU SR160 SCHOTTKY BARRIER RECTIFIER VOLTAGE RANGE 20 to 60 Volts CURRENT 1.0 Ampere FEATURES * * * * * * Low switching noise Low forward voltage drop High current capability High switching capability High surge capabitity High reliability DO-41 MECHANICAL DATA * * * * * Case: Molded plastic Epoxy: UL 94V-O rate flame retardant Lead: MIL-STD-202E method 208C guaranteed Mounting position: Any Weight: 0.33 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters) MAXIMUM RATINGS (At TA = 25 oC unless otherwise noted) RATINGS Maximum [ ... ]

SR160 PDF Datasheet Download