This part is a kind of semiconductor called BAV70.

Function of this product has High-speed switching diodes.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

BAV70 series High-speed switching diodes Rev. 8 18 March 2015 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 BAV70 SOT23 - BAV70M SOT883 SC-101 BAV70S SOT363 SC-88 BAV70T BAV70W SOT416 SOT323 SC-75 SC-70 JEDEC Package configuration TO-236AB small - leadless ultra small - very small - ultra small - very small Configuration dual common cathode dual common cathode quadruple common cathode/common cathode dual common cathode dual common cathode 1.2 Features and benefits  High switching speed: trr  4 ns  Low leakage current  Small SMD plastic packages  Low capacitance: Cd  1.5 pF �� [ ... ]

BAV70 PDF Datasheet Download