Part Number : 3EZ43D5
Function : 3W, 43V, Zener Diode, Rectifier
Package : DO−41 Type
Maker : ON Semiconductor
Pinouts : 
Description :
This is a complete series of 3 Watt Zener diodes with limits and excellent operating characteristics that reflect the superior capabilities of silicon−oxide passivated junctions. All this in an axial−lead,
transfer−molded plastic package that offers protection in all common environmental conditions.
Features:
• Zener Voltage Range −4.3 V to 330 V
• ESD Rating of Class 3 (>16 KV) per Human Body Model
• Surge Rating of 98 W @ 1 ms
• Maximum Limits Guaranteed on up to Six Electrical Parameters
• Package No Larger than the Conventional 1 Watt Package
Datasheet PDF Download : 
Others datasheet of same file :
3EZ10D5, 3EZ13D5, 3EZ15D5, 3EZ16D5, 3EZ18D5