This part is a kind of semiconductor called L1117D.

Function of this product has 1A Fixed and Adjustable Low Dropout Linear Regulator.

Manufacturers : NIKO-SEM

Image and pinout :

Some of the text within the PDF file :

WW .100Y.C M.TW WW .100Y.C M.TW WW 00Y.CO .TW WW 00Y.CO .TW W W W T .1 W.1 Y.COM W M. OM W O W C . W C W . Y W .T W .100 .TW 00Y M.T .100 OM W O W C . W W.1 Y.COM W C W 0Y Y. Fixed W WW .100 .TW L1117 Series 1A and Adjustable Low M.T .10 .T 00 M O 1 W M . O W C . O W W C W . Y W C Y W .T SOT-223, TO-252, W Y.NIKO-SEM W .TW Regulator Linear 100 100 M .Dropout OM W.(LDO) M.T .100 O W C . O W W C . W W .TW TO-220,TO-263 W 00Y Y.C WW .100Y TW . 1 0 T M . . 0 M O 1 W M . O W WW .100Y.C M.TW WW 00Y.CO .TW WW .100Y.C M.TW O W O W W.1 Y.COM W WW .100Y.C M.TW WW .100Y.C M.TW 0 WW .10 T GENERAL DESCRIPTION FEATURES . OM WW 00Y.CO .TW W WW 00Y.CO .TW C . W W W Y W W .T 00 L1117 .1 low dropOM 5V or adjustable W.12.85V, MSeries .1 2.5V, The are positive and z Fixed W OM W .C3.3V, O W C . Y W C W . 0 Y [ ... ]

L1117D PDF Datasheet Download