OPTEK EXPANDS LEDNIUM LED FAMILY WITH RED, GREEN, BLUE COMBINATION ASSEMBLIES LAS VEGAS, NV (May 30, 2006) – Combining red, green and blue high brightness LEDs in a 10W, thermally-efficient three-dimensional package with a 120° viewing angle, TT electronics OPTEK Technology has expanded its Lednium LED assemblies to include an RGB device capable of producing any color light. Introduced at the Lightfair International conference, the latest addition to the company’s Lednium family is designated the OVTL09LGM Series. “By mixing the red, green and blue colors, it is possible to achieve virtually any color in the visible spectrum, including white, without using phosphor, which may cause a shift in color output over time,” said Richard Saffa, vice president of OPTEK Technology’s Visible LED Business Unit. “The RGB color combination allows lighting design engineers to utilize a single Lednium device for accent lighting, architectural lighting, and wall wash applications.” Additional applications for the RGB Lednium Series device include entertainment lighting application as well as interior and exterior signage and displays, Saffa continued. The RGB Ledium assembly is composed of three red, three green and three blue LEDs mounted in the patented three-dimensional Lednium surface-mount package that gives the device superior thermal resistance characteristics as well as its full 120° viewing angle. Typical luminous flux for the RGB assembly is 221lm, with a typical on-axis intensity of 68cd. DC forward current is 1.05A, with peak pulsed forward current of 3A. Typical forward voltage is 8.6V and reverse voltage is 15V. Maximum allowable junction temperature is 130°C (average thermal resistance junction-to-board is 5°C/W), and the operating temperature range for the device is -50°C to +80°C. OPTEK’s Lednium Series devices are also available in amber (595nm, 330lm); blue (467nm, 60lm); green (524nm, 290lm); red (624nm, 247lm); and white (250lm). All colors feature a full 120° viewing angle in water clear lenses. OPTEK RGB Lednium device is stocked by OPTEK’s distributors in the Americas, Europe and Asia. Production quantity lead times are from stock to 6 weeks. OPTEK Technology is a leading manufacturer of standard and application-specific sensors using infrared, visible, magnetic and fiber optic technologies focused on applications in office machines, industrial equipment, encoders, automotive electronics, military and high-reliability applications, and medical diagnostic equipment. Headquartered in Carrollton, TX, the company is ISO/TS16949:2002 and BS EN ISO 9001:2000 certified, as well as ITAR registered. OPTEK Technology was acquired by TT electronics in December 2003. TT electronics plc is a global electronics company manufacturing a broad range of advanced electronic components, assemblies and sensor modules for the automotive, industrial, telecommunication, computer and aerospace markets.