Source - https://fscdn.rohm.com/en/products/databook/explanation/discrete/diode/common/diode_part_number_information_an-e.pdf
Click here for 1SS356, DAN, & DAP Series Band Switching Rohm Diodes
Summary
packaging
automotive
General Purpose
gen purp
GP
1ss356
sm
vm
emd2
umd2
dan235
dap235
emd3
umd3