KNOWLEDGE

Momentary 90 degree illuminated tactile switch

A Momentary 90 degree illuminated tactile switch is a type of switch that is designed to activate or deactivate an electronic circuit momentarily by applying pressure on its button or actuator. This switch is tactile because of the mechanical feedback it provides to confirm the actuation of the switch. The switch has a unique 90-degree orientation for its actuator, which makes it suitable for space-constrained designs. The switch also features an illumination system that allows the user to identify the switch position, even in low-light conditions.

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Construction

The Momentary 90 degree illuminated tactile switch is a small device that measures around 6 mm x 6 mm square. The switch is made of two parts, the actuator and the base. The base is made of a plastic material that has a high impact resistance property. The base contains two metal legs that come into contact with a PCB in the electronic circuit once the switch is actuated. The legs are made of a copper alloy that ensures low contact resistance and long-term reliability.


The actuator is the button that the user presses to activate the switch. The actuator is also made of a plastic material that is coated with a soft-touch elastomer that makes it comfortable to press. The actuator has a unique 90-degree orientation that allows it to be mounted vertically on the printed circuit board.


The Illumination system

The Momentary 90 degree illuminated tactile switch has two illumination options: Through-Hole and Surface mount. The Through-Hole illumination is where the LED is mounted through a hole in the PCB, called a light pipe, which conducts the light to the actuator. The Surface Mount illumination option involves mounting the LED directly on the switch, which eliminates the need for a light pipe.

The illumination system uses a low-power LED that consumes less energy and lasts longer than traditional lighting systems. The LED can be in various colors such as red, green, blue, or yellow. The illumination system allows the user to identify the switch position even in low-light conditions.


Applications

The Momentary 90 degree illuminated tactile switch is ideal for applications where space is limited, and reliable switch performance is essential. The switch is used in a wide range of electronic equipment, including white goods, consumer electronics, medical devices, and automotive products. The illuminated tactile switch’s unique design allows it to be used in special applications, such as gaming devices, computer peripherals, and smart home devices.


Conclusion

The Momentary 90 degree illuminated tactile switch is a small yet essential switch used in many electronic devices. Its unique design makes it suitable for space-constrained designs, while the illumination system makes it easy to identify in low-light conditions. The switch is durable and reliable, making it ideal for applications that require high-performance switches.


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