View a7w datasheet:

BAV99 series - A7W smd code 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 Configuration Package configuration NXP JEITA JEDEC BAV99 SOT23 - TO-236AB dual series small BAV99S SOT363 SC-88 - quadruple; 2 series very small BAV99W SOT323 SC-70 - dual series very small 1.2 Features and benefits High switching speed: trr ≤ 4 ns Low capacitance: Cd ≤ 1.5 pF Low leakage current Reverse voltage: VR ≤ 100 V Small SMD plastic packages AEC-Q101 qualified 1.3 Applications High-speed switching Reverse polarity protection General-purpose switching 1.4