This part is a kind of semiconductor called SB5150.

Function of this product has SCHOTTKY BARRIER RECTIFIER DIODE.

Manufacturers : EIC

Image and pinout :

Some of the text within the PDF file :

TH97/10561QM TW00/17276EM IATF 0060636 SGS TH07/1033 SB5150 ~ SB5200 PRV : 150 ~ 200 Volts IO : 5.0 Amperes FEATURES : * High current capability * High surge current capability * High reliability * Low forward voltage drop * Pb / RoHS Free MECHANICAL DATA : * Case : DO-201AD Molded plastic * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 1.1 grams SCHOTTKY BARRIER RECTIFIER DIODE DO-201AD 0.21 (5.33) 0.19 (4.82) 1.00 (25.4) MIN. 0.375 (9.52) 0.285 (7.24) 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN. Dimensions in inches and ( millimeters ) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified. RATI [ ... ]

SB5150 PDF Datasheet Download