MALVERN, Pa. — Vishay Intertechnology, Inc. is adding to its portfolio of short wavelength ultraviolet (UVC) emitting diodes with a compact new SMD device for sterilization, sanitation, and purification applications. Designed to replace mercury UVC lamps, the Vishay Semiconductors VLMU35CL..-280-120 delivers an extremely long lifetime in a 3.5 mm