LTL911VRKSA Optoelectronics

Voltage - Forward (Vf) (Typ):	2.15V
Height (Max):	6.10mm
Size / Dimension:	7.62mm L x 7.62mm W
Supplier Device Package:	--
Package / Case:	4-DIP (0.200", 5.08mm)
Features:	--
Wavelength - Peak:	639nm
Wavelength - Dominant:	631nm
Mounting Type:	Through Hole
Viewing Angle:	70°
Current - Test:	70mA
Series:	--
Lens Style/Size:	Round with Domed Top, 3.00mm
Millicandela Rating:	0.6mcd
Lens Transparency:	Clear
Lens Color:	Colorless
Color:	Red
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction

LED Indication - Discrete is an area in light-emitting diode (LED) technology that deals with a discrete collection of various LED products used for signal displays, visual alarms, and lighting control. The LTL911VRKSA is one such product, specifically designed for use in indicating the presence of an electric signal, for instance in a circuit breaker, industrial control, and other applications. This application note will discuss the various characteristics, applications, and working principles of the LTL911VRKSA.

Characteristics of LTL911VRKSA

The LTL911VRKSA is a polarLED type indicator with a built-in voltage-dependent switch. It features an ultra-low power consumption, along with an IP68 rating, which makes it suitable for applications that require working in extreme temperatures and wet conditions. Additionally, the device offers an extended range of working voltage (18-32V) with an operating temperature range of -40ºC - +85ºC, making it suitable for a wide array of applications. Furthermore, the device has a black stripe that takes the transmitted visible signals to the LED indicator.

Applications of LTL911VRKSA

Despite its small size, the LTL911VRKSA is applicable in a wide range of applications. Due to its low power consumption and extended voltage range, it is ideal for use in applications in which power efficiency is a factor. Examples of such applications include machine tool control, warning lamps, and alarm systems. Furthermore, the device is suitable for use in industrial control, motor control, and circuit breakers. Its superior mechanical and optical properties, as well as its IP68 rating, make it ideal for use in extreme environmental conditions, such as those found in marine vessels, offshore oil platforms, and other hazardous areas. The device is also suitable for use in automotive, aerospace, and military applications where extreme temperatures, wet conditions, and vibration are present.

Working Principle of LTL911VRKSA

The LTL911VRKSA uses a simple and reliable feedback loops to control the LED indicator. The working voltage is adjusted from 18-32V, and the circuit includes a reset switch that triggers off any sudden change in conditions, such as an unexpected change in supply current, a full break in the power supply, or significant variation in temperature. Additionally, the LED indicator is controlled by an integrated voltage-dependent switch, which, when in its on-state, closes the feedback loop and causes the LED indicator to turn on. Conversely, when in its off-state, the feedback loop is opened, and the LED indicator is turned off.

Conclusion

The LTL911VRKSA offers a range of features and applications that make it suitable for a wide array of applications, such as machine tool control, warning lamps, and alarm systems. The device features an ultra-low power consumption, along with an IP68 rating, and an extended range of working voltage (18-32V) with an operating temperature range of -40ºC - +85ºC. Additionally, it utilizes a simple and reliable feedback loops to control the LED indicator, which is also controlled by an integrated voltage-dependent switch. All these features make the LTL911VRKSA a great choice for use in extreme environmental conditions, such as those found in marine vessels, offshore oil platforms, and other hazardous areas.

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