Products, Materials & Tools | Sep 15, 2014

Toshiba Launches High-Performance Ultra-Compact White LEDs in 3535 Lens Type Package

Toshiba Electronics Europe (TEE) has extended its LETERAS™ family of white LEDs with a new series of ultra-compact devices that combine cost-effective gallium nitride-on-silicon (GaN-on-Si) chips with an industrial standard 3535 lens type package.

Devices in the TL1L3 series of 1.0W LEDs are supplied in a package with a footprint of 3.5mm x 3.5mm and a height, including lens, of just 2.42mm. Despite their small size the LEDs deliver typical luminous flux ratings of between 112 and 145 lumens, depending on the correlated color temperature (CCT).

Toshiba’s latest LEDs with integrated lens are suitable for implementation in tube lights, light bulbs, down lights and ceiling lights, as well as street light and floodlight designs.

The new TL1L3 LED series comprises seven devices offering colour temperatures from 2700K to 6500K. Minimum colour rendering index (Ra) ratings of up to 80 contribute to natural looking lighting across all target applications. A low typical forward voltage (VF) of just 2.85V (at a forward current of 350mA) helps to keep power consumption to a minimum.

High-performance white LEDs have typically been fabricated on expensive sapphire substrates using relatively small 100mm or 150mm wafers. Toshiba LETERAS LEDs, however, use a highly cost-effective GaN-on-Si process technology that allows GaN LEDs to be produced on 200mm silicon wafers.

TL1L3 LEDs are rated for operating temperatures between -40°C and 100°C and have a maximum power dissipation of 3.4W. Additionally they offer a very low typical thermal resistance Rth(j-s) from LED junction to solderpoint of only 5°C/W.

More information about thr LETERAS™ family of white LEDs can be found at http://www.toshiba-components.com/leds/

About Toshiba Electronics Europe:
Toshiba Electronics Europe (TEE) is the European electronic components business of Toshiba Corporation, which is ranked among the world’s largest semiconductor vendors. TEE offers one of the industry's broadest IC and discrete product lines including high-end memory, microcontrollers, ASICs and ASSPs for automotive, multimedia, industrial, telecoms and networking applications. The company also has a wide range of power semiconductor solutions. TEE was formed in 1973 in Neuss, Germany, providing design, manufacturing, marketing and sales and now has headquarters in Düsseldorf, Germany, with subsidiaries in France, Italy, Spain, Sweden and the United Kingdom. TEE employs approximately 300 people in Europe. Company president is Mr. Takashi Nagasawa.
For more company information visit Toshiba Electronics Europe's web site at
www.toshiba-components.com

About Toshiba:
Toshiba Corporation, a Fortune 500 company, channels world-class capabilities in advanced electronic and electrical product and systems into five strategic business domains: Energy & Infrastructure, Community Solutions, Healthcare Systems & Services, Electronic Devices & Components, and Lifestyles Products & Services. Guided by the principles of The Basic Commitment of the Toshiba Group, “Committed to People, Committed to the Future”, Toshiba promotes global operations towards securing “Growth Through Creativity and Innovation”, and is contributing to the achievement of a world in which people everywhere live in safe, secure and comfortable society.

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