Featured LEDs and LED Products 

Marktech Optoelectronics announced the availability of its versatile LC503NPP1-20H-A3, 4-Lead, RGB solid-state light source from Cotco. This RGB LED features a 20º viewing angle in a 5.0mm round lensed package that is perfect for use in accent and color-changing lighting applications.
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Marktech introduces the Toshiba TB6575FNG PWM sensorless controller for 3-phase full wave Brushless DC motors. A brushless DC (BLDC) motor is a synchronous motor, which means the rotor position has to be known to generate the appropriate field. BLDC motors are popular because of their durability, linear control characteristics, efficiency and torque-to-volume ratio. Normally sensors (usually Hall-effect devices) are used to determine the rotor position.
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The Toshiba TB62750FTG driver IC powers white LEDs used in applications such as camera flashes and strobes as well as backlighting color LCD panels in mobile devices such as cell phones, PDAs, MP3 players along with test equipment and instrumentation.
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The TSB “True Blue” LEDs utilizes the most recent innovation in InGaN/SiC technology. The die improvement to Cotco’s High Brightness LED family greatly enhances the performance and the ability to obtain a “True Blue” wavelength required for a variety of medical applications.
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Cotco's new WR1 series combines familiar LED benefits such as long life, small die size and rugged design with a pleasant warm color. This series is offered in both 5mm and Surface Mount package styles. Used wherever specialty lighting is needed, these versatile, general-lighting LEDs open up new applications in reading lights, mood lighting, display cabinets and car interior lighting.
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Marktech has expanded its Toshiba constant-current white LED driver product line with a compact DC/DC converter IC for powering multi-segment white LEDs used to backlight new larger, color LCD panels in small portable devices such as cell phones and PDAs. The high-precision, high-performance TB62752AFUG white LED driver IC allows designers to save space and reduce component count by using a single device to drive from 2-8 LEDs in series.
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Featuring the smallest Hi-Flux LED footprint on the market today, the Mini Dorado provides optical designers with a high lumen, low cost solution for producing compact products with optimum performance. The Mini Dorado is ideal for compact lighting situations where reliability and high illumination are essential.
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Cotco TPG Green Series LEDs utilize the most recent advances in InGaN/SiC technology. The die process combines highly efficient InGaN materials with a Silicon Carbide (SiC) substrate in a geometrically enhanced Epi-down chip structure design to maximize light extraction efficiency. The material also incorporates a current distribution layer that requires only a single wire bond for increased LED reliability. The vertically structured LED chips are approximately 115 microns in height and require a low forward voltage. This die improvement to Cotco’s High Brightness LED family greatly enhances the performance of a broad range of applications such as decorative lighting, full color video screens, mobile appliance lighting, and automotive illumination.
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The Cotco TBL Blue Series LEDs utilize the most recent advances in InGaN/SiC technology. The die process combines highly efficient InGaN materials with a Silicon Carbide (SiC) substrate in a geometrically enhanced Epi-down chip structure design to maximize light extraction efficiency. The material also incorporates a current distribution layer that requires only a single wire bond for increased LED reliability. The vertically structured LED chips are approximately 115 microns in height and require a low forward voltage. This die improvement to Cotco’s High Brightness LED family greatly enhances the performance of a broad range of applications such as decorative lighting, full color video screens, mobile appliance lighting, and automotive illumination.
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The versatile LP6-TPP1-01 6-Lead, RGB solid-state light source from Cotco features a 120º viewing angle in a 6.0 x5.0mm surface-mount package designed specifically for accent and color-changing lighting applications requiring a high-power RGB LED. The LP6 Series Surface Mount is a highly reliable, low-cost solution where space is an issue. The LP6-TPP1-01 can be tightly arranged on a single plane which results in an even distribution of color and light. The LED also features close chip density and brightness for excellent color mixing. Its 6 pin SMT package allows for individual control of each red, green and blue chip. This creates an opportunity for users to produce a complete color spectrum to better achieve specific and more uniform lighting architecture.
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The LS1 Side View LED series offers high reliability and is ideally suited for light guide applications. The 4.0 x 4.0mm package offers more light output than traditional right angle packages. With a large 2.4mm diameter lens, this package is able to deliver maximum light emission. The LS1 series is industrial temperature rated from -40°C to +100°C and has a higher heat tolerance than traditional chip type LEDs. The LS1 package features an integrated reflector that offers a generous viewing angle of 120º. Because of its low power consumption this device is also great for backlighting, optical indicators, automotive applications, and consumer products.
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The LM1-xxx-11 Power LED series offers high reliability and is ideally suited for effect lighting applications. Being built upon high efficiency InGaAlP and InGaN technologies, they are also designed to meet the demands of automotive and outdoor applications. They can handle forward currents from 30-50mA depending on wavelength.
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Marktech Optoelectronics today announced the availability of Cotco’s new LP379 series LEDs with P4 (piranha type) package, concave lens and viewing angle of 120º. The concave lens makes this package unique to the industry and allows for a more even distribution of light therefore eliminating “hot spots” that can occur with traditional package styles.
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Marktech introduces the latest generation of its Screen Master™ 574/SM series LEDs. With its elliptical package and 110º x 50º viewing angle, the Screen Master series is ideally suited for sign applications.
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The LM2 Domed Lens Power SMT series offers high reliability and is ideally suited for effect lighting applications. They can handle forward currents up to 70mA in a domed lens PLCC-4 package measuring 3.2 x 2.8mm. The LM2 series utilizes high efficiency InGaAlP technology which makes it suitable for many designs requiring low power consumption such as backlighting, automotive signal lighting, marker lights, display and task lighting and an ever expanding array of signage applications. The cost-per-lumen advantage of these chips makes them an excellent choice for LED applications requiring uniform illumination.
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The TB62727FN driver is specifically designed for use in full-color LED displays. This device features 16 constant current outputs (2-50mA) with a built in dot current correction for each channel. This function allows the designer to digitally control the output current from 0-100% by utilizing the driver’s internal Digital to Analog Converter (DAC).
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This P4 (piranha type) package features a unique elliptical lens that produces a viewing angle of 90º x 35º. The water clear elliptical lens makes this package exclusive to the industry and is ideally suited for outdoor signage, strip, and emergency lighting applications.

The LP476 LEDs employ AlGaInP and InGaN technology, which provide superior brightness over the competitions standard offerings.

This new display features InGaN technology and is ideally suited for use in full color indoor signs that require high brightness and resolution. Cotco’s unique ability to prescreen and match all die prior to display assembly assures part quality and uniformity.
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Marktech Optoelectronics today announced the availability of Toshiba’s TB62726 Constant Current Driver Series. The TB62726 offers the most advanced driver features for low operating voltage applications. The 16-bit, serial input device contains all of the features included in the popular TB62706 Series with the added benefit of a 3.3V operating voltage.
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Need a TopLED type SMT LED? Cotco’s LM1 series LEDs feature a PLCC-2 surface mount package and 120º viewing angle. These TopLED type SMT LEDs are in an "Industry Standard" package and are ideally suited for full color video signs, LCD backlighting and Instrumentation.
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The TB62731FU Toshiba Driver will support more efficient backlighting and improve performance for LCDs installed in a wide range of portable and wireless devices. The new driver incorporates a Pulse Current Drive Mode that raises efficiency over 90% while driving up to six white LEDs in a serial connection.
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Marktech Optoelectronics announced the availability of Toshiba’s TLxE1005B Series Surface Mount LEDs. The 1005B devices incorporate an integral domed lens to lower viewing angles from 120º(typ.) to 40º nominal. All devices in the new series are reflow solder compatible. Applications include backlighting, battery powered equipment, message boards, portable devices, strip lighting, light pipes and indicators.
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