The types of diodes are:; Switching diode, voltage regulator diode, Schottky diode, rectifier diode, transient suppression diode, light-emitting diode, etc
The commonly used packaging for SMD includes SMA, SMB, SMC, and SMAF
Glass Seal LL-34, LL-41
Plastic sealed SOD-123, SOD-323, SOD-523