Part Number : BAS21W
Function : High-voltage switching diode, Rectifier
Package : Surface-Mounted Device Type
Maker : NXP Semiconductors.
Pinouts : 
Description :
High-voltage switching diodes, encapsulated in a very small Surface-Mounted Device (SMD) plastic package.
Features
1. High switching speed: trr ≤50 ns
2. Low capacitance: Cd≤2pF
3. Low leakage current
4. Very small SMD plastic package
5. High reverse voltage: VR≤250 V
6. AEC-Q101 qualified
Applications :
1. High-speed switching
2. Voltage clamping
3. General-purpose switching
4. Reverse polarity protection
Datasheet PDF Download : 
Others datasheet of same file : BAS21AW, BAS21SW, BAS21
