This part is a kind of semiconductor called BAV99W.
Function of this product has High-speed switching diodes.
Manufacturers : NXP
Image and pinout :

Some of the text within the PDF file :
BAV99 series High-speed switching diodes Rev. 8 18 November 2010 Product data sheet 1. Product profile 1.1 General description High-speed switching diodes, encapsulated in small Surface-Mounted Device (SMD) plastic packages. Table 1. Product overview Type number Package NXP JEITA BAV99 SOT23 - BAV99S SOT363 SC-88 BAV99W SOT323 SC-70 JEDEC TO-236AB - Configuration dual series quadruple; 2 series dual series Package configuration small very small very small 1.2 Features and benefits High switching speed: trr ≤ 4 ns Low leakage current Small SMD plastic packages Low capacitance: Cd ≤ 1.5 pF Reverse voltage: VR ≤ 100 V AEC-Q101 qualified 1.3 Applications High-speed switching General-purpose switching Reverse polarity protection 1.4 Qui [ ... ]
BAV99W PDF Datasheet Download
