SC40-18EWA

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SC40-18EWA display modules are a type of LED character and numeric display that offer the advantage of low power and high contrast visual detection. They are used primarily in a wide range of industrial, automotive, and consumer applications.

The SC40-18EWA device consists of two 8-character alphanumeric display modules mounted side-by-side. Each display module consists of an 18mm-high LED character or number in an acrylic dome surrounded by an IR LED. The LED character or number is used to represent the data and the IR LED works in conjunction with an IR photodiode to detect when the character/number is viewed.

The SC40-18EWA operates on a simple principle of a variable resistor supplying the necessary current for the LED character/number to be illuminated and then viewed. The current is variable depending on the resistor used and this provides the user with control over the brightness level of the LED character/number. Additionally, the IR photodiode is used to detect when the LED character/number is being viewed and this allows for the user to increase or decrease the brightness of the LED character/number accordingly.

The SC40-18EWA also features a protection diode which protects the LED character/number from excess current or voltage. This diode also helps ensure that the LED character/number is not damaged if the current source suddenly fails or is disconnected.

The SC40-18EWA’s application field mainly includes the industrial instrument and process control systems, automotive monitoring systems, consumer electronics, telecommunication systems, medical equipment, liquid level indicators, and many other applications.

The SC40-18EWA’s main advantages are that it offers low power consumption and high contrast ratio. The display is also shock and vibration resistant. Additionally, the display modules are tested for electromagnetic immunity making them ideal for a wide range of situations.

In summary, the SC40-18EWA display module is a type of LED character and number display offering the advantages of low power consumption and high contrast visual detection. It is used in a wide range of industrial, automotive, and consumer applications and features protection from excess current or voltage, shock and vibration resistance, and electromagnetic immunity.

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