Tactile Switch 3x4x2mm 4 Pins SMD (Pack of 2)

SKU: 2HQSXA1WZ1
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The SMD Tactile Switch 4 Pin 3x4x2mm is a compact surface-mount momentary push-button switch designed for space-constrained electronic devices and PCB assemblies. Featuring a small 3mm × 4mm footprint and a low-profile 2mm height, this switch is ideal for applications requiring reliable user input while maintaining a compact design. The switch operates in a normally-open configuration, making electrical contact only...
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The SMD Tactile Switch 4 Pin 3x4x2mm is a compact surface-mount momentary push-button switch designed for space-constrained electronic devices and PCB assemblies. Featuring a small 3mm × 4mm footprint and a low-profile 2mm height, this switch is ideal for applications requiring reliable user input while maintaining a compact design.

The switch operates in a normally-open configuration, making electrical contact only when the button is pressed and automatically returning to its original state when released. Its 4-pin design ensures stable mounting on printed circuit boards and provides excellent mechanical durability. The compact size and SMD package make it suitable for automated pick-and-place assembly processes.

Commonly used in consumer electronics, remote controls, wearable devices, portable gadgets, IoT modules, and industrial control panels, the 3x4x2mm tactile switch offers responsive tactile feedback and long operational life. Its robust construction ensures dependable performance even in frequent-use applications.

Features

  • Compact 3mm × 4mm surface-mount package
  • Low-profile 2mm height
  • 4-pin configuration for secure PCB mounting
  • Momentary push-button operation
  • Distinct tactile feedback
  • Suitable for automated SMT assembly
  • Reliable and durable construction
  • Ideal for compact electronic products

Applications

  • Remote controls
  • Mobile and handheld devices
  • Consumer electronics
  • IoT and smart devices
  • Wearable electronics
  • Industrial control equipment
  • Embedded system projects
  • Custom PCB designs and prototyping

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Switch Type: Momentary Tactile Push Button
Mounting Type: Surface Mount Device (SMD)
Pin Configuration: 4 Pin
Dimensions: 3mm × 4mm × 2mm (L × W × H)
Contact Configuration: Normally Open (NO)
Rated Voltage: 12V DC
Rated Current: 50mA DC

Additional Resources

FAQ

1. What is the function of a 3x4x2mm SMD tactile switch?

It is a momentary push-button switch that temporarily closes an electrical circuit when pressed and returns to its open state when released.

2. Why does this switch have 4 pins?

The 4-pin design provides better mechanical stability on the PCB, while electrically the pins are typically connected in pairs.

3. Can this tactile switch be used with microcontrollers like Arduino or ESP32?

Yes, it is commonly used as a user input button for Arduino, ESP32, Raspberry Pi, and other embedded electronics projects.

4. Is the switch suitable for automated SMT assembly?

Yes, its SMD package is designed for surface-mount technology (SMT) and is compatible with automated pick-and-place and reflow soldering processes.

5. What applications commonly use this tactile switch?

It is widely used in remote controls, wearable devices, IoT products, consumer electronics, industrial control panels, and compact electronic equipment.

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