VLMU1610 UV LED Vishay VLMU1610 UV LED is a mid-power, ultraviolet LED designed to provide a reliable energy-saving replacement for mercury lamps in medical, industrial, and printing applications. The silicone lens has a lifespan of up to 25,000 hours. The LED is housed in a compact, ceramic-based SMD package. Vishay VLMU1610 UV LED is free of heavy metals and offers increased reliability with high shock resistance and immunity to degradation from frequent on/off switching.