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Capacitive switches, also known as touch switches or touch-sensitive switches, are electronic devices that detect touch or proximity by utilising the principles of capacitance. They are commonly used as alternative inputs to mechanical switches in various electronic devices and touch-sensitive interfaces.

Unlike traditional mechanical switches that rely on physical contact to complete or break a circuit, capacitive switches work by measuring changes in capacitance. Capacitance refers to the ability of an object or material to store an electric charge. When a conductive object, such as a finger, comes in close proximity to a capacitive switch, it alters the capacitance of the switch's sensing area. Learn more in [our extensive guide here.](/web/content/discovery/ideas-and-advice/touch-switches-guide)

###  **What are the benefits of capacitive switches?**

Capacitive switches offer several benefits over traditional mechanical switches, which contribute to their popularity in various applications. Here are some of the key advantages of capacitive switches:

- **Durability:** Capacitive switches do not have moving parts, reducing the risk of mechanical failure due to wear and tear.
- **Sensitivity:** Capacitive switches are highly sensitive and can detect even the lightest touch or proximity of a conductive object. This sensitivity allows for precise and accurate touch inputs, making them ideal for applications where fine control is required.
- **No physical contact:** Unlike mechanical switches that require physical contact to activate, capacitive switches operate based on proximity or touch without any physical pressure.
- **Easy to clean:** The absence of physical buttons or crevices makes capacitive switches easier to clean compared to mechanical switches.
- **Design flexibility:** Capacitive switches can be designed in various shapes, sizes, and layouts, allowing for greater design flexibility in different applications.
- **Environmental resistance:** Capacitive switches are less susceptible to environmental factors like temperature, humidity, and contaminants compared to mechanical switches
- **Aesthetic appeal:** Capacitive switches contribute to a clean and modern appearance in electronic devices. Their sleek and flat surfaces, often integrated into touchscreens, add to the aesthetic appeal of products, creating a more visually appealing user interface.

### **Applications**
- Consumer electronics
- Touchscreens
- Automotive controls
- Home appliances
- Industrial interfaces
- Medical devices
- Smart home devices


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Capacitive Switches, Momentary & Latching Touch Switch | RS

Capacitive Switches

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APEM Capacitive Switches| Capacitive Switches| RS

APEM is a leading manufacturer of electronic switches and control systems, including capacitive switches. APEM offers a range of capacitive switches designed for various applications, providing reliable and responsive touch-sensitive solutions.APEM's capacitive switches typically feature a sleek and low-profile design, making them suitable for use in different industries, such as automotive, industrial, medical, and consumer electronics. Their switches are known for their high durability, responsiveness, and customisation options.

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Bulgin Capacitive Switches| Capacitive Switches| RS

Bulgin is a manufacturer of high-quality electronic components, including switches and connectors.Bulgin offers a range of capacitive switches that are designed to provide reliable touch-sensitive solutions for various applications. Their capacitive switches are known for their durability, responsiveness, and versatility.<h2>What are the benefits of Bulgin Capacitive Switches?</h2>Here are some key features that may be found in Bulgin capacitive switches:<ul><li>Robust design: Bulgin's capacitive switches are designed to withstand demanding environments.</li><li>Customisation options: Bulgin capacitive switches may offer customization options to meet specific application requirements.</li><li>Enhanced sensitivity: Bulgin capacitive switches are designed to provide high sensitivity, allowing for reliable touch detection and accurate input recognition.</li><li>Sealing options: Depending on the specific model, Bulgin capacitive switches may offer different sealing options, such as IP65 or IP68 ratings.</li><li>LED indicators: Some capacitive switches may incorporate LED indicators to provide visual feedback or status indication.</li></ul>

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EAO Capacitive Switches| Capacitive Switches| RS

EAO is a reputable manufacturer of high-quality switches and control components for various industries.EAO offers a range of capacitive switches that are designed to provide reliable touch-sensitive solutions for different applications. Their capacitive switches are known for their durability, versatility, and user-friendly interfaces.<h2>What are the benefits of EAO Capacitive Switches?</h2>Here are some Benefits &amp; Features that may be found in EAO capacitive switches:Design options: EAO's capacitive switches are available in various designs, shapes, and sizes, allowing for flexibility in different applications.Touch sensitivity: EAO capacitive switches are designed to provide high touch sensitivity, ensuring accurate and responsive touch detection.Durability and robustness: EAO capacitive switches are engineered to withstand demanding environments. They are often built with rugged materials and may have high resistance to impacts, water, dust, and chemicals.Versatile applications: EAO capacitive switches can be used in a wide range of industries and applications.Easy integration: EAO capacitive switches are designed for easy integration into various control panels and devices.

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Illuminated Capacitive Switches | Capacitive Switches| RS

Illuminated capacitive switches are a type of user interface technology that combines capacitive sensing and illumination features. These switches are commonly used in various electronic devices, such as keyboards, control panels, and touch-sensitive interfaces.<h2>&nbsp;What are the Benefits of Illuminated Capacitive Switches?</h2>Illuminated capacitive switches offer several benefits over traditional mechanical switches or other types of user interfaces. Here are some of the advantages:<ul><li>Durability: Illuminated capacitive switches are typically more durable compared to mechanical switches. Since they have no moving parts, there is less risk of mechanical failure or wear and tear.</li><li>Aesthetics and Customisation: The incorporation of illumination adds an aesthetic appeal to illuminated capacitive switches. The lighting effects can enhance the overall design and user interface of a device. Additionally, the ability to customize the color and brightness of the illumination allows for personalization and integration with the overall product design.</li><li>Flexibility and Integration: Illuminated capacitive switches can be integrated into various electronic devices and interfaces, thanks to their compact size and versatility. They can be designed to fit different form factors and offer seamless integration into the overall product design.</li></ul>RS stocks a range of Illuminated Capacitive switches from leading suppliers such as Bulgin, APEM, EAO, Schurter and RS PRO&nbsp;

APEM Capacitive Switches

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