This part is a kind of semiconductor called 2A05.

Function of this product has Silicon Rectifiers.

Manufacturers : Taiwan Semiconductor

Image and pinout :

Some of the text within the PDF file :

CREAT BY ART FEATURES - High efficiency, Low VF - High current capability - High surge current capability - Low power loss - Compliant to RoHS Directive 2011/65/EU and in accordance to WEEE 2002/96/EC - Halogen-free according to IEC 61249-2-21 definition Silicon Rectifiers 2A01 thru 2A07 Taiwan Semiconductor MECHANICAL DATA Case: DO-204AC (DO-15) Molding compound, UL flammability classification rating 94V-0 Base P/N with suffix "G" on packing code - green compound (halogen-free) Terminal: Matte tin plated leads, solderable per JESD22-B102 Meet JESD 201 class 1A whisker test Weight: 0.4g (approximately) DO-204AC (DO-15) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (TA=25℃ unless otherwise noted) PARAMETER SYMBOL 2A01 2A02 2A03 2A04 2A05 2A06 2A07 UNIT Maximum repetitive peak rev [ ... ]

2A05 PDF Datasheet Download