This part is a kind of semiconductor called BAV23C.

Function of this product has SURFACE MOUNT SWITCHING DIODE.

Manufacturers : Diodes Incorporated

Image and pinout :

Some of the text within the PDF file :

BAV23A/C/S SURFACE MOUNT SWITCHING DIODE Features · · · · · · · · · · · Fast Switching Speed Surface Mount Package Ideally Suited for Automatic Insertion For General Purpose Switching Applications High Conductance TOP VIEW NEW PRODUCT SOT-23 A Dim A B C Min 0.37 1.20 2.30 0.89 0.45 1.78 2.80 0.013 0.903 0.45 0.85 0° Max 0.51 1.40 2.50 1.03 0.60 2.05 3.00 0.10 1.10 0.61 0.80 8° B C D E G H J K L M a Mechanical Data Case: SOT-23, Molded Plastic Case material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Polarity: See Diagrams Below Marking: See Diagrams Below & Page 2 Weight: 0.008 grams (approx.) E D G H K J L M All Dimensions in mm BAV23A Marking: KT7 BAV23C Marking: KT6 [ ... ]

BAV23C PDF Datasheet Download