59-146UTD/TR8 Optoelectronics

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LED Indication - Discrete has been a popular technology for providing visual feedback for both household and industrial applications. The 59-146UTD/TR8 is a widely used indicator within this category and has many applications among a variety of industries from automotive to security and safety.

The 59-146UTD/TR8 is primarily used as a discrete indicator, meaning it is only consumed when a certain condition is met, such as an open or closed contact. As such, the 59-146UTD/TR8 is often used in applications that require a visual indication of an open or closed contact or an available or active signal. These applications are extensive and include:

• Monitoring the status of industrial functions.
• Indicating that a process or procedure is complete or has been activated.
• Alarm functions in critical systems.
• Attracting attention to a malfunction in an industrial or home system.
• Notifying the user of a change in system or user settings.
• Alerting a user of a timer or countdown.

The 59-146UTD/TR8, like most LED discrete indicators, is relatively simple in terms of, design and construction. The indicator is typically an artificial light source, such as a light emitting diode (LED). The LED itself is housed in a shell, typically of ABS plastic, containing reflectors and multi-faceted diffusers to ensure optimum visual visibility across multiple angles. These units are typically linked to a power source within the application, such as a battery or mains electricity, which is then linked to the LED indicator.

The LED itself operates in a very simple manner that can be broken down into three basic steps:

• The LED light source is connected to a power source.
• When the switch within the application is triggered, a current is passed through the LED.
• The LED then begins to emit a visible light.

The LED will remain active until the switch is flipped off, cutting the power supply. At this point the LED begins to dim and eventually turns off, completing the cycle of the LED discrete indicator.

The 59-146UTD/TR8 is considered to be quite reliable and is capable of operating in temperatures from -4°F to +155°F (−20°C to +80°C). It is relatively easy to install and is a cost effective alternative for applications that require a simple discrete indicator. The 59-146UTD/TR8 has become the preferred choice for numerous applications and industries, which has lead to its widespread popularity.

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