This polymer-protected zener diode (eg Tyco’s PolyZen) can help to provide transient suppression, reverse bias protection, and overcurrent protection in a single package.
I am searching for an RGB led, smd that I can use in an 5 x 7 matrix that can be seen 75-100 feet distance in broad daylight.
the data sheet I linked is a viable part. Just waiting for sample.