Panjit 1smb3ez series 3w smd silicon zener diodes smbdo 214aa panjit 1smb3ez15 a 11v 3w silicon zener diode with a glass passivated junction the diode comes in a surface mounting smbdo 214aa package suitable for a wide range of applications panjit 1smb3ez15 zener diode 15v 3w 5 do 214aa