25-21/T1D-ANQHY/2A

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LED indication has become increasingly popular nowadays due to its advantages over traditional indicators, such as their ease of installation, energy efficiency, long life expectancy, and wide range of applications. Discrete LED indication is one of the options available for industrial applications. It consists of a two-stage circuit that consists of a discrete LED indicator and a separate circuit, usually a resistor, capacitor, or transistorized device, for performing the various tasks.

25-21/T1D-ANQHY/2A LEDs is a variant on discrete LED indication that uses a specific type of discrete LED to indicate the application field and working principle. The LED is typically employed to indicate different operations or operating states, such as the status of a particular switch or relay, an event cycle, or simply to provide visual indications of power or data flow. The 25-21/T1D-ANQHY/2A LED is a dual-stage LED with three LED elements, two for the actual indication and one for a reference voltage. The LED is mainly used for two types of applications, one is to indicate the operation of a switch or relay and the other one is to indicate a process-oriented operation or cycle.

In order to indicate a discrete operation or process, the 25-21/T1D-ANQHY/2A LED uses two separate LED elements in a single package. The two LED elements are offered in two voltage ratings, 5V and 3V, with the 5V version typically used for signal applications and the 3V model mainly used for data applications. The dual stage LED is connected in series with a capacitor, resistor, or transistorized device to indicate the operation or cycle.

The operation of the 25-21/T1D-ANQHY/2A LED is very simple. When the voltage applied to the first LED element reaches a certain critical level, a current flows through the second LED element, and the two LEDs together indicate the operation or cycle. When the voltage again drops below a certain level, the current stops, and the two LEDs no longer light. In the case of the 5V version, the voltage at which the second LED lights is in the range of 3.2V to 3.6V, whereas for the 3V version, it is in the range of 1.4V to 1.8V. The reference voltage that is used for the two LEDs is also different. In the case of the 5V version, it is 2.9V to 3.2V, and for the 3V version, it is 0.8V to 1.2V.

The 25-21/T1D-ANQHY/2A LED is a very useful LED indication solution, as it is a reliable and cost-effective way to indicate discrete operations and processes. The LED can be used in automation and control applications such as monitoring the operation of valves, switches, and relays, as well as in process oriented operations like sensing the current flow in a loop. Moreover, the dual-stage LED consumes very little power, making it an economical and cost-effective solution for a variety of applications.

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