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Vishay launches ceramic-based, high-power UV LEDs

Global LED chip market will grow at a CAGR of 12.89%

October 14, 2015: Vishay Intertechnology, Inc. VSH, +0.77% introduced the first two devices in a new series of ceramic-based, high-power UV LEDs with silicone lenses. Designed to provide a reliable, energy-saving replacement for mercury lamps, the Vishay Semiconductors VLMU3500-385-060 and VLMU3500-385-120 deliver exceptionally long lifetimes in compact 3.5 mm by 3.5 mm surface-mount packages for medical, industrial, and printing applications.

The silicone lenses of the VLMU3500-385-060 and VLMU3500-385-120 enable extremely long lifetimes compared to typical mercury lamps. The environmentally friendly UV LEDs are free of heavy metals and provide increased reliability with their shock resistance and immunity to degradation from frequent on/off switching. While mercury lamps require complex drive circuits and need two to 15 minutes to warm up, the VLMU3500-385-060 and VLMU3500-385-120 allow for the use of simple low-voltage circuitry and require no warm-up period.

Built on InGaN (indium gallium nitride) technology, the devices released today feature typical radiant power of 780 mW at 500 mA and 1037 mW at 700 mA in a wavelength range between 380 nm and 390 nm. The VLMU3500-385-060 offers an emission angle of 60 degree while the VLMU3500-385-120 has an emission angle of 120 degree. The devices provide radiant intensity of 730 mW/sr and 390 mW/sr at 700 mA, respectively.

The LEDs’ specifications make them ideal for UV curing in nail salon, dental, and poster printing applications; blood and counterfeit money detection; and photocatalytic purification. RoHS-compliant, halogen-free, and Vishay Green, the VLMU3500-385-060 and VLMU3500-385-120 are compatible with reflow soldering processes and feature a Moisture Sensitivity Level of 2 in accordance with J-STD-020.

Samples of the new UV LEDs are available immediately. Production quantities are available with lead times of six to eight weeks.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world’s largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and “one-stop shop” service have made it a global industry leader.

Source: Vishay

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