P81-R120-CR

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Panel Indicators, Pilot Lights

Panel indicators and pilot lights are a common type of indicator used in electrical and electronic systems to indicate the status of a certain feature. They are often used to show whether something, such as an electric circuit, is turned on or off. They are also used to indicate when a fault has occurred. Panel indicators and pilot lights are usually installed on printed circuit boards (PCBs), and typically comprise of a light, its wiring and a panel indicator holder. When power is applied, the light illuminates to indicate that the system is switched on.

P81-R120-CR is a type of panel indicator and pilot light. It is a rectangular LED light measuring 12.5 x 8.5 x 3.2 mm, with a red LED in the center. It is operated with an input voltage of 2.8V to 3.2V.

Application Field

In the industrial setting, P81-R120-CR is typically used as a danger indicator. It can be used to indicate whether a certain electric circuit has failed or when a specific piece of machinery needs to be replaced. It is also used to alert operators in the event of an emergency or a hazardous situation. In addition, it can be used in a monitoring system that actively monitors temperature, pressure and air quality, among others. This type of panel indicator is also found in many consumer electronics devices, such as laptops, tablets and smartphones, where they are used to indicate battery, charging, Wi-Fi and Bluetooth statuses.

Working Principle

P81-R120-CR operates on a simple principle. When the input voltage is applied, the LED light emits a red light to indicate power is on. The intensity of the emitted light can be adjusted by tweaking the input voltage, although the maximum voltage should not exceed 3.2V. The LED light is usually connected to a printed circuit board using soldering, although other connection methods may also be used such as crimping. Depending on its application field, the light may need to be wired to other components in order to provide the required status/warning indication.

Overall, the P81-R120-CR is one of the most commonly used panel indicators and pilot lights. It is easy to install, temperature tolerant and consumes little power. The indicator is versatile and can be used in many application fields, including industrial, automotive and consumer electronics.

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