Vishay's latest LEDs handle drive currents to 70 mA for signage, lighting, and controls

Dec. 23, 2013
Date Announced: 23 Dec 2013 New Devices Deliver Maximum Luminous Intensity of 6052 mcd With Improved Thermal Performance of 300 K/WMALVERN, Pa. - A new family of LEDs in a PLCC-2 package that can handle higher drive currents and thus produce improved luminous intensity is the newest product from the Optoelectronics group of Vishay Intertechnology, Inc. (NYSE: VSH). The new VLM.334.. series LEDs, an advanced modification of Vishay's VLM.31.. series LEDs, can incorporate larger chips and are thus capable of withstanding drive currents up to 70 mA.The AEC-Q101-qualified VLM.334.. LEDs are offered in super red, red, amber, and yellow to serve a wide range of applications, including traffic signals and signs, interior and exterior lighting, automotive dashboard illumination, indicators and controls for audio and video equipment, LCD switches and symbols, illuminated advertising, and many other uses.Utilizing the latest advanced AlInGaP technology, the VLM.334.. series devices provide exceptional brightness with a typical luminous intensity of 3760 mcd and maximum luminous intensity of 6052 at 70 mA while delivering improved thermal performance compared to previous-generation LEDs. At 300 K/W, junction-to-ambient thermal resistance is 25% lower than the former VLM.333 product.Device Specification Table:Part # Color Luminous intensity range (mcd) @ IF (mA) Wavelength (nm) Forward voltage max. (V) @ IF (mA) VLMS334…. Super red 1120 to 2800 50 630 typ. 2.8 50 VLMR334…. Red 1800 to 4500 50 625 typ. 2.8 50 VLMK334…. Amber 1800 to 4500 50 616 typ. 2.8 50 VLMY334…. Yellow 1800 to 4500 50 589 typ. 2.8 50 VLM.334.. series LEDs are available in 8 mm tape. RoHS-compliant, halogen-free, and Vishay Green, the devices are compatible with IR-reflow soldering processes and preconditioned according to JEDEC Level 2a.Samples and production quantities of the VLM.334.. series LEDs are available now, with lead times of six weeks for larger orders. Vishay Intertechnology, Inc., a Fortune 1,000 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.

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