The new VLMU3100 from Vishay is an ultraviolet (UV) LED in the surface-mount PLCC-2 package. Aimed at a wide range of applications, including adhesive curing, it serves as a solid-state replacement for mercury vapour lamps.
The device features a typical luminous intensity of 11 mcd at 20 mA, with a typical wavelength of 405 nm and forward voltage of 3,2 V for low power consumption.
Designed for long service life, the VLMU3100’s PLCC-2 package consists of a lead frame which is embedded in a white thermoplastic. The reflector inside this package is cast in clear silicone, guaranteeing a long lifetime. The viewing angle is 120°, and the package dimensions are 3,2 by 2,8 by 1,9 mm.
The LED overcomes many of the problems associated with systems based on mercury vapour lamps, which generate significant heat and degrade unpredictably over their service lives. By comparison, the VLMU3100 features power dissipation of just 120 mW and all the benefits of solid-state LED technology to ensure reliable and stable performance.
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