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Tactile Switch 3X4X2.5mm 4 Pins Folded SMD

SKU: ZLWM7UCZSE
★★★★ ★ ★
4.5 (84 reviews)
The 3×4×2.5mm 4-Pin Folded SMD Tactile Switch is a compact surface-mount momentary switch designed for reliable user input in space-constrained electronic devices. Featuring a 4-pin folded terminal design, this switch provides enhanced mechanical stability and secure PCB attachment, making it ideal for high-density circuit boards and automated assembly processes. Operating in a normally open (NO) configuration, the switch closes the...
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The 3×4×2.5mm 4-Pin Folded SMD Tactile Switch is a compact surface-mount momentary switch designed for reliable user input in space-constrained electronic devices. Featuring a 4-pin folded terminal design, this switch provides enhanced mechanical stability and secure PCB attachment, making it ideal for high-density circuit boards and automated assembly processes.

Operating in a normally open (NO) configuration, the switch closes the circuit only while pressed and returns to its open state upon release. With its small footprint and low-profile height, it is widely used in portable electronics, consumer devices, IoT products, remote controls, and embedded systems where dependable tactile feedback is required.

Key Features

  • Compact 3×4mm footprint with 2.5mm height
  • 4-pin folded SMD terminals for improved PCB stability
  • Momentary ON (Normally Open) operation
  • Crisp tactile feedback for reliable user interaction
  • Suitable for automated SMT assembly processes
  • Low-profile design for compact electronic products
  • Durable construction with long mechanical life
  • Ideal for consumer electronics, IoT devices, and embedded applications

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: Tactile Switch (Momentary)
Operation Mode: Normally Open (NO)
Dimensions: 3mm × 4mm × 2.5mm
Mounting Type: Surface Mount Device (SMD)
Terminal Style: Folded SMD terminals
Number of Pins: 4
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
Color: Silver/Black (varies by manufacturer)

Additional Resources

Tactile Switch.PDF

FAQ

1. What is a 3×4×2.5mm 4-Pin Folded SMD Tactile Switch used for?

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

2. What are the advantages of the folded SMD terminal design?

The folded terminals provide improved mechanical stability, stronger PCB attachment, and better durability during assembly and operation.

3. How does the 3×4×2.5mm tactile switch operate?

It works on a normally open (NO) mechanism, where the circuit is completed only while the button is pressed and opens again when released.

4. Is this switch suitable for automated PCB assembly?

Yes, its SMD design is compatible with standard SMT manufacturing processes, making it ideal for automated pick-and-place assembly.

5. Can this switch be used in Arduino and custom PCB projects?

Yes, it is suitable for custom PCB designs used with Arduino, ESP32, STM32, and other microcontroller-based projects where a compact surface-mount push button is needed.

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