Marktech Expands LED Range For Backlighting

Marktech has expanded its range of Toshiba White surface-mount LEDs aimed at general and backlighting applications with the release of the Toshiba TLWxK1109 series. The 1109 series LEDs are offered in three lighting-industry-standard colour temperatures of 3,000, 5,000 and 6,500K. The daylight-white TLWK1109 LED delivers a luminous intensity of 3,200mcd and is suited for use in linear lighting and LCD backlighting applications.

At 76lm/W, it features a luminous flux of 11lm and colour temperature of 6,500K. This LED series includes neutral- and warm-white devices that are suitable for use in instrumentation and backlighting applications. The TLWNK1109 neutral-white LED has a luminous intensity of 3,200mcd and is 76lm/W with a luminous flux of 11lm and colour temperature of 5,000K. The TLWLK1109 warm-white LED has a luminous intensity of 2,500mcd and is 60lm/W with a luminous flux of 8.6lm and colour temperature of 3,000K.

All three LEDs are housed in a PLCC-4 surface-mount package that measures 3.2 x 2.9 x 1.9mm. Their high-brightness white-light output is a result of a combination of a blue InGaN (indium gallium nitride) LED and a yellow-emitting phosphor. The devices offer efficient operation with maximum power dissipation of 200mW and typical forward voltage (VF) of 3.6V. Operating temperature ranges from -40C to 100C.

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