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

SKU: 3VXNMIO8N1
The 3×4×2mm 2-Pin SMD Tactile Switch is an ultra-compact surface-mount momentary switch designed for modern electronic devices where space is limited. It operates on a normally open (NO) configuration, allowing the circuit to close only when the button is pressed and reopen when released. With its miniature 3mm × 4mm footprint and 2mm low-profile height, this switch is ideal for...
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Specifications

Specifications:

Switch Type: Tactile Switch (Momentary)
Operation Mode: Normally Open (NO)
Dimensions: 3mm × 4mm × 2mm
Mounting Type: Surface Mount Device (SMD)
Number of Pins: 2
Operating Voltage: 12V DC (typical)
Operating Current: 50mA max
Contact Resistance: ≤ 100 mΩ
Insulation Resistance: ≥ 100 MΩ
Actuation Force: 160gf – 260gf (typical)
Travel Distance: Approximately 0.15mm – 0.25mm
Mechanical Life: Up to 100,000 cycles
Operating Temperature: -20°C to +70°C
Contact Material: Metal alloy
Housing Material: High-temperature thermoplastic

Additional Resources

Tactile Switch.PDF

FAQ

1. What is a 3×4×2mm 2-Pin SMD tactile switch used for?

It is used as a momentary input switch in compact electronic devices such as remote controls, wearable electronics, IoT devices, mobile accessories, and embedded systems.

2. What does SMD mean in this tactile switch?

SMD stands for Surface Mount Device, meaning the switch is designed to be mounted directly onto the surface of a PCB, making it suitable for automated assembly and compact circuit designs.

3. How does the 3×4×2mm tactile switch operate?

It works on a normally open (NO) mechanism. The circuit closes only when the button is pressed and returns to the open state when released.

4. Why is this switch suitable for compact electronics?

Its small 3×4mm footprint and low 2mm profile allow it to fit into space-constrained designs such as wearables, portable devices, and miniature electronic products.

5. Can this switch be used in DIY and microcontroller projects?

Yes, it can be used in custom PCB designs for Arduino, ESP32, STM32, and other microcontroller-based projects where a compact surface-mount push button is required.

View full product details

The 3×4×2mm 2-Pin SMD Tactile Switch is an ultra-compact surface-mount momentary switch designed for modern electronic devices where space is limited. It operates on a normally open (NO) configuration, allowing the circuit to close only when the button is pressed and reopen when released.

With its miniature 3mm × 4mm footprint and 2mm low-profile height, this switch is ideal for compact PCB assemblies, wearable electronics, handheld devices, remote controls, IoT products, and consumer electronics. The SMD (Surface Mount Device) design enables automated assembly and reliable integration into high-density circuit boards while providing crisp tactile feedback.

Key Features

  • Ultra-compact 3×4×2mm low-profile design
  • Surface-mount (SMD) construction for automated PCB assembly
  • Momentary ON (Normally Open) operation
  • Reliable tactile feedback for accurate user input
  • Suitable for compact and high-density PCB layouts
  • Low contact resistance for stable switching performance
  • Lightweight and durable construction
  • Ideal for consumer electronics, wearables, and IoT devices