This part is a kind of semiconductor called S1NB60.
Function of this product has General Purpose Rectifiers(600V 1A).
Manufacturers : Shindengen Electric Mfg.Co.Ltd
Image and pinout :

Some of the text within the PDF file :
SHINDENGEN General Purpose Rectifiers DIL Bridges S1NB60 600V 1A FEATURES Small Dual In-Line(:DIL) Package 5 mm pitch between terminals Applicable to Automatic Insertion APPLICATION Switching power supply Home Appliances, Office Equipment Telecommuication, Factory Automation OUTLINE DIMENSIONS Case : 1N Unit : mm RATINGS Absolute Maximum Ratings (If not specified Tl=25) Item Symbol Conditions Storage Temperature Tstg Operating Junction Temperature Tj VRM Maximum Reverse Voltage IO Average Rectified Forward Current 50Hz sine wave, R-load, On glass-epoxy substrate, Ta=25 I FSM Peak Surge Forward Current 50Hz sine wave, Non-repetitive 1 cycle peak value, Tj=25 I 2t Current Squared Time 1ms t10ms@Tj=25 Electrical Characteristics (If not specified Tl=25) Item Symbol Conditio [ ... ]
S1NB60 PDF Datasheet Download
