Panjit 1smb2ez series 2w smd silicon zener diodes smbdo 214aa panjit 1smb2ez30 this 30v 2w silicon zener diode has a glass passivated junction and comes in a surface mounting smbdo 214aa package suitable for a wide range of applications panjit 1smb2ez30 zener diode 30v 2w 5 do 214aa