TLDR4401

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The TLDR4401 LED Indication family of products provides discrete indication, warning, and control functions to a wide variety of applications. This product offers a simple and reliable way to indicate specific functions in a circuit, such as when a circuit is on or off, or when a fault or alarm has occurred. The TLDR4401 LED Indication family consists of three primary types: the LED indicator, the LED launcher, and the LED emergency LED. Each of these types has its own unique features, capabilities, and application fields.

The LED indicator provides discrete indication of the circuit state and can be used for status, alert, or diagnostic functions. It is typically connected to the circuit with two wires and can be used for either DC or low-frequency AC applications. The number and color of arrows on the product indicate which states the product can detect and indicate. This product is available in a variety of styles, including single, dual, and quad. It is also available with various mounting configurations, such as through-hole, surface mount, and panel mount.

The LED launcher is used for discrete switching and logic applications. It uses two wires to input a logic signal and then outputs a corresponding LED indication. This product is available with single, dual, or quad outputs and is offered in both through-hole and surface mount configurations. It also features a variety of mounting and termination configurations, including pin header and cage clamp.

The LED emergency LED is used in applications where space is limited but discrete indication is required. This product is available with single, dual, or quad outputs and is also available with various styles, mounting, and termination configurations. It is typically used in applications where size and space are an issue, such as in instrumentation, alarm systems, medical equipment, and machine controls.

The working principle of the TLDR4401 family of products is quite simple. All of the products detect a voltage across their terminals and, depending on the voltage level, either turn on or off the corresponding LED. The LED indicator and the LED launcher also detect a voltage or current pulse, which allows them to be used as logic elements. For example, the LED indicator can be used as a logic gate, while the LED launcher can be used as an encoder or a latch.

In conclusion, the TLDR4401 LED Indication family of products provides a reliable and cost-effective way to provide discrete indication, warning, and control functions. It offers a variety of styles, configurations, and mounting options to meet the needs of a wide variety of applications. It is also easy to use, with a simple working principle that is based on voltage detection. As such, it is suitable for a variety of both DC and low-frequency AC applications.

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