SMD Diode Packages
- dc2012x14
- Diode Chip 2.0mm Long, 1.2mm Wide, 1.4mm High
- If there is a polarity mark the mark goes to the left.
- df3414
- Diode Melf 3.4mm Long, 1.4mm Round
- Since m is used to indicate a molded package the last letter of the word melf f, is used in all melf names.
- dm4327x22
- Diode Molded 4.3mm Long, 2.7mm Wide, 2.2mm High
- Consistent with the Zentroid SMD Naming Convention the length is taken from pin end point to pin end point. This gives the programmer an excellent start value for centering or testing operations.
I have found a rather good resource for diode information at Diodes.com. Diodes in particular can have a large variety of packages.