DB1112H-TR Optoelectronics

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LED Indication - Discrete components, such as the DB1112H-TR, are a popular choice for circuit designs that need visually-apparent signs. A discrete LED indicates a certain condition of the circuit or equipment and can be used for both visual and tactile feedback.

DB1112H-TR LED, as one of the discrete LED components, is designed for both photoelectric and electronic applications. Its package size is about 2.50mm x 1.27mm and its operating temperature ranges from -40 to +100 degrees Celsius.

The DB1112H-TR indicator consists of a built-in solid-state Peltier effect optical detector, an integrated light pipe, and a voltage regulator. The solid-state Peltier effect opto detector responds to slight changes in affect the light pattern therewith, while the integrated light pipe directs the LED\'s light output more effectively. The voltage regulator monitors and maintains the LED\'s current at pre-set levels.

One of the primary applications of the DB1112H-TR is used in digital communication systems, e.g. in car remote keyless entry systems or alarms. The LED discretes are used to indicate different conditions such as when a button is pressed or when a system alarm is triggered. Because the LED\'s current is regulated, it is also suitable for applications with strong electromagnetic interference.

In terms of working principle, the DB1112H-TR consists of two pn junctions, connected in a series configuration. When voltage is applied to the anode terminal of the junction, the current flows from anode to cathode and wraps around to the reverse direction (due to recombination of electron-hole pairs generated at the junction), thus forming a closed loop. When the supply voltage is low, the LED emits red light with a wavelength of 645nm, and when the supply voltage is high, the LED emits green light of wavelength 520nm.

The DB1112H-TR can be used in various applications, such as portable electronics, industrial controls, automotive, communication and consumer electronics. In addition to its wide operating temperature range and its high efficiency, the DB1112H-TR offers a variety of features, such as its low power consumption and its low voltage operation, that make it an ideal choice for many design needs.

In conclusion, the DB1112H-TR is a reliable and effective choice for a wide range of applications. Its size and design make it the perfect choice for discrete LED indications, and its reliable performance ensures that it will provide accurate feedback for any circuit or equipment.

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