This part is a kind of semiconductor called 1SMA5932B.

Function of this product has Surface Mount Silicon Zener Diodes.

Manufacturers : SEMTECH

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Some of the text within the PDF file :

1SMA5913B THRU 1SMA5956B Surface Mount Silicon Zener Diodes Features • High peak reverse power dissipation • Low leakage current Mechanical Data • Case: SMA (DO-214AC) molded plastic • Epoxy: UL 94V-0 rate flame retardant • Polarity: Color band denotes Cathode end • Mounting position: Any Absolute Maximum Ratings and Characteristics (Ta = 25℃) HParameter Symbol DC Power Dissipation at TL = 75℃ Mearsured at Zero Lead Length (1"square copper pad, FR-4 board) Ptot CDerate Above 75℃ Thermal Resistance from Junction to Lead RθJL EDC Power Dissipation at Ta = 25℃ (FR-4 board )Derate Above 25℃ TThermal Resistance from Junction to Ambient Ptot RθJA Maximum Forward Voltage at IF = 200 mA Operating Temperature Range SEMStorage Temperature Range VF Tj Tstg Val [ ... ]

1SMA5932B PDF Datasheet Download