4x4x0.8mm 4-Pin Metal Tactile 12V 0.5A Micro SMT Push Button

4×4×0.8mm 4-Pin Metal Tactile 12V 0.5A Micro SMT Push Button is an ultra-compact surface-mount momentary switch designed for high-density PCB applications. With its metal construction and tactile feedback, it’s ideal for consumer electronics, industrial controls, and compact embedded systems requiring reliable user input.

Key Features:

• • Miniature SMT Design: 4×4mm footprint with 0.8mm profile
  • Metal Construction: Durable stainless steel actuator
  • Tactile Feedback: Clear click response (160±50gf operating force)
  • High Voltage Rating: 12V DC at 0.5A capacity
  • 4-Pin Configuration: Enhanced mechanical stability

Technical Specifications:

• • Dimensions: 4.0×4.0×0.8mm (L×W×H)
  • Contact Rating: 12V DC @ 0.5A
  • Contact Resistance: ≤50mΩ initially
  • Operating Force: 160±50gf
  • Travel Distance: 0.25±0.1mm
  • Life Cycle: 100,000+ operations
  • Termination: SMT solder pads
  • Operating Temp: -20°C to +70°C

Pin Configuration:

• • Pin 1 (A1): Fixed contact (typically connected to Pin 3)
  • Pin 2 (B1): Mechanical anchor (no electrical function)
  • Pin 3 (A2): Fixed contact (typically connected to Pin 1)
  • Pin 4 (B2): Mechanical anchor (no electrical function)

PCB Layout Guidelines:

• • Pad Dimensions: 1.2×1.0mm for each contact
  • Pitch: 2.5mm between contact pairs
  • Stencil Opening: 80% of pad area recommended
  • Soldering: Reflow profile peak temp 260°C max
  • Mechanical Support: Use all 4 pads for stability

Applications:

• • Wearable Devices: Smartwatches, fitness trackers
  • Mobile Electronics: Compact handheld equipment
  • Industrial HMI: Control panels and operator interfaces
  • IoT Devices: Miniature sensor modules
  • Medical Equipment: Portable diagnostic devices

Equivalent Models:

• • TS-1187A: Similar 4×4mm metal tactile switch
  • B3U-1000P: Alternative SMT push button

Datasheet:

• • Download Switch Datasheet

Keywords:

• • 4×4mm Tactile Switch
  • SMT Push Button
  • Micro Tact Switch
  • 12V 0.5A Pushbutton
  • 4-Pin Metal Switch

Package Includes:

• • 1 x 4×4×0.8mm 4-Pin Metal Tactile Switches