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Vishay Intertechnology Introduces New High-Speed 850 nm and 940 nm IR Emitters and Package-Matched High-Speed Silicon PIN Photodiode For Infrared Touch Panels
Devices Offer ±75° Angle of Half Intensity in Compact 3 mm by 2mm by 1 mm Side-View Surface-Mount Package
MALVERN, Pa. — May 14, 2013 — Vishay Intertechnology, Inc. (NYSE: VSH) today broadens its optoelectronics portfolio with the introduction of two new high-speed 850 nm and 940 nm infrared emitters and a package-matched high-speed silicon PIN photodiode with high radiant sensitivity from 780 nm to 1050 nm. The VSMG10850, VSMB10940, and VEMD10940F each offer an ultra-wide ± 75° angle of half intensity in a compact side-view surface-mount package measuring 3 mm by 2 mm and a height of only 1 mm.
Offered in clear, untinted plastic packages, the IR emitters released today provide high radiant intensity of 1 mW/sr typical at 20 mA, up to 33% higher than comparable devices on the market, and fast switching times of 15 ns. The 940 nm VSMB10940 features GaAIAs multi quantum well technology and a low forward voltage of 1.3 V typical, while the 850 nm VSMG10850 offers GaAIAs double hetero technology and a forward voltage of 1.4 V.
The VEMD10940F photodiode features a daylight blocking filter matched with 830 nm to 950 nm IR emitters, including the VSMG10850 and VSMB10940. The device offers a reverse light current of 3 µA, low dark current of 1 nA, 920 nm wavelength of peak sensitivity, and a low 0.1 %/K temperature coefficient of light current.
With their low profiles, the VSMG10850, VSMB10940, and VEMD10940F are optimized for use in IR touch panels for devices such as printer displays, eBook readers, smartphones, tablets, ultrabooks, and GPS units. The devices provide a floor life of 168 hours and moisture sensitivity level (MSL) of 3 in accordance with J-STD-020. The emitters and photodiode support lead (Pb)-free reflow soldering and conform to Vishay’s “Green” standards.
Samples and production quantities of the new IR emitters and photodiode are available now, 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. Vishay can
be found on the Internet at www.vishay.com.
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