HSMD-C191 Optoelectronics

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LEDs have a vast array of applications, from simply providing visual feedback, to signaling direction and location. The HSMD-C191 series of LEDs, offered by Lumex, is just one of the many types available, and is specifically designed for use in outdoor segment display and DIP/LED type applications. These high power LEDs employ red, yellow, and green (RYG) emission and boast superior brightness values compared to others available. Furthermore, HSMD-C191 LEDs are housed in curvature packages to prevent light leakage and are constructed to remain completely waterproof.

More specifically, the HSMD-C191 LED is categorized as a discrete LED type and is used primarily for digital or alphanumeric indications. Applications for these LEDs may include signage, digital displays, sports scoreboards, and other similar fixtures. Just as the application is versatile, so is the size and shape of the LED. HSMD-C191 LEDs come in both 2-pin and 3-pin packages and a wide variety of sizes and shapes, ranging from 3mm (superflux) to 8mm (large alphanumeric). The LED can also be tailored to show either a final light intensity or be dimmable for variable intensity applications. The LED emits a light beam at a limited angle, which is useful for signage where the beam needs to be directed to a certain area. Also, the design of the LED allows for a more efficient supply of light thereby reducing wastage.

As a discrete LED, the HSMD-C191 offers a range of working principles designed to suit a variety of purposes. When powered by an AC current, the LED emits a linear current in order to shift the light intensity if necessary. This basic working principle is what gives the LED the ability to be dimmable or not, depending on the application. However, LEDs are not limited to just this working principle and can also be driven by DC current, AC voltage, pulse width modulation (PWM) or switched to work in NAND logic mode, where logic ‘0’ corresponds to an ON state, while logic ‘1’ corresponds to an OFF state.

A key feature of the HSMD-C191 LED is its optical performance. Like other LEDs, the HSMD-C191 operates at a power efficiency of up to 80%. This means that for a given amount of power, the LED will output a given amount of light. What makes the HSMD-C191 different from other LEDs is its ability to be dimmed, either electronically or by a shutter system. With the built-in shutter system, the beam angle is adjustable and it can be used to increase or decrease the intensity of the light as needed. This also ensures that more of the power is directed to the intended area and less wasted in areas that don’t require illumination.

In conclusion, the HSMD-C191 LED offers superior brightness and exceptional optical performance, making it an ideal choice for outdoor LED applications. Moreover, the LED comes in a range of sizes and shapes and can be driven with an AC current, DC current, AC voltage, PWM or logic. This offers flexibility and allows designers to choose the best LED for the job. The HSMD-C191 is sure to add value to any outdoor LED segment display application and is sure to be a reliable and cost-effective solution.

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