what specification of the mini tact switch?

Mini tact switches, also known as tactile switches, are compact components used in a variety of electronic devices and control panels. They are known for their small size and tactile feedback, making them ideal for applications where space is limited and a physical indication of activation is needed. Here are the typical specifications for a mini tact switch:

General Specifications

• Size and Design:

• Dimensions: Typically small, with sizes ranging from around 3mm x 3mm to 12mm x 12mm. The height can also vary depending on the model.

• Actuator Type: The actuator is usually a small, flat or slightly raised button that provides tactile feedback when pressed. The shape can be square, round, or rectangular.

Electrical Specifications

• Voltage Rating:

• DC Voltage: Generally rated for low voltage applications, commonly up to 12V DC, but some can handle up to 24V DC.

• Current Rating:

• Current Capacity: Typically rated for currents between 50mA to 500mA. Some models can handle higher currents depending on the design.

• Contact Configuration:

• SPST (Single Pole Single Throw): The most common configuration, providing a simple on/off function with two terminals.

• SPDT (Single Pole Double Throw): Provides the ability to switch between two different circuits with a common terminal and two selectable terminals.

Mechanical Specifications

• Actuation Force:

• Actuation Force: Usually ranges from 100g to 500g. The force needed to activate the switch can vary based on the specific design and intended application.

• Lifespan:

• Mechanical Lifespan: Typically rated from 100,000 to 1,000,000 cycles. This indicates the number of times the switch can be operated before failure.

Environmental Specifications

• Operating Temperature Range:

• Temperature Range: Usually from -20°C to 85°C, though this can vary depending on the manufacturer and specific switch model.

• Humidity:

• Humidity Rating: Some models may have a rating indicating their resistance to humidity, but this is less common for mini tact switches compared to other types of switches.

Mounting and Wiring

• Mounting Type:

• Surface Mount (SMT): Many mini tact switches are designed for surface-mount technology (SMT), making them suitable for automated assembly processes.

• Through-Hole Mount: Some models are designed for through-hole mounting, which requires holes to be drilled in the PCB for insertion.

• Wiring:

• Terminals: Typically come with 2 to 6 terminals, depending on the configuration. For SMT versions, the terminals are usually small pads on the PCB.

Additional Features

• Tactile Feedback: Provides a noticeable click or tactile response when pressed, indicating that the switch has been activated.

• LED Indicator: Some models include an integrated LED to provide visual feedback of activation. The LED may be located in or around the switch actuator.

• Customizable Options: Available with various actuator colors, shapes, and heights to meet different design requirements and aesthetic preferences.

Applications

• Consumer Electronics: Used in devices like remote controls, calculators, and small electronic gadgets where space is limited.

• Computer Keyboards: Commonly used in keyboards for their tactile feedback and compact size.

• Control Panels: Integrated into control panels and devices requiring small, reliable switches with tactile feedback.

• Automotive: Used in vehicle controls where compact and reliable switching is needed.

Safety and Compliance

• Certifications: May comply with international safety and quality standards such as RoHS (Restriction of Hazardous Substances) to ensure they meet environmental and safety requirements.

Summary

Mini tact switches are compact, reliable components ideal for a variety of electronic applications. Their small size, tactile feedback, and varying electrical and mechanical specifications make them suitable for use in consumer electronics, control panels, and automotive applications. With options for different actuator styles, mounting types, and additional features like LED indicators, these switches offer versatility and adaptability for numerous design requirements.