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20 Pcs 4.5 * 4.5 * 3.8mm Tactile Switches

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$6.99

$ 2 .99 $2.99

In Stock

About this item

  • 【Precise micro size&durable structure】 Ultra-Compact 4.5x4.5x3.8mm design saves PCB space while maintaining robust performance. Gold-plated contacts ensure 100,000+ cycles lifespan for reliable signal transmission in tight electronics layouts.
  • 【SMT process compatibility】Surface-mount technology (SMT) compatible with 0.5mm pin spacing. Includes pre-tinned terminals for easy soldering on automated assembly lines or manual DIY projects. RoHS compliant lead-free construction. 
  • 【Multi functional application scenarios】Ideal for IoT devices, Arduino/Raspberry Pi projects, remote controls, medical equipment, and automotive dashboards. Operates at 12VDC 50mA with 160gf actuation force for precise tactile feedback
  • 【Preventing accidental contact and environmental protection】Anti-misoperation design with 0.3±0.15mm travel distance. IP67 dust/water resistance optional (specify model). Operating temperature range: -25℃ to +70℃ for harsh environments.
  • 【High cost performance batch installation】Cost-effective 20-pack bulk set with individual compartment packaging. Includes 3D CAD model files for engineers. Backed by 24-month technical support and hassle-free replacement policy.


Product Overview
This 4.5x4.5x3.8mm Ultra-Compact Tactile Switch is engineered for precision electronics requiring minimal space and reliable performance. With gold-plated contacts, SMT compatibility, and a lifespan of 100,000+ cycles, it’s the ideal choice for DIY enthusiasts, engineers, and industrial manufacturers seeking durable, high-sensitivity switches for tight PCB layouts.
Core selling points
◆Micro sized, versatile
Accurate size: 4.5mm × 4.5mm × 3.8mm (L × W × H), saving circuit board space and suitable for high-density integrated design.
SMT process compatibility: SMT (Surface Mount Technology) design, with a pin spacing of 0.5mm, suitable for automated production lines and manual soldering.
◆Durable and long-lasting, with stable signal
Gold plated contacts: anti-oxidation, low impedance, ensure signal transmission stability, extend service life to over 100000 presses.
Clear tactile feedback: Operating force of 160gf, key travel of 0.3mm ± 0.15mm, providing clear confirmation and preventing accidental touch.
◆Widely applicable scenarios
Electronic devices: smart home controllers, medical instruments, car dashboards, drone remote controls.
Development Platform: Perfectly compatible with Arduino, Raspberry Pi, ESP32 and other development board projects.
Industrial field: automation equipment buttons, instrument panels, low-power IoT terminals.
◆Adaptation to harsh environments
Wide temperature range: -25 ℃ to+70 ℃, suitable for extreme environments.
Protection upgrade: Optional IP67 waterproof and dustproof model (model to be specified), resistant to moisture and dust.
◆Engineer friendly design
3D model support: Provide STEP/CAD files to accelerate your PCB design process.
Batch packaging: Anti static independent packaging to avoid transportation damage, accompanied by specifications and technical support QR code.
Technical Parameter
◆Electrical specifications: 12VDC, 50mA
◆Operating force: 160gf ±30gf
Contact resistance: ≤ 100mΩ
◆Insulation resistance: ≥ 100MΩ
◆Material: PBT high-temperature resistant shell, stainless steel shrapnel
◆ Certification: RoHS, REACH, CE
Example of usage scenarios
◆Maker project: Add compact control buttons to your robots and smart home devices.
◆Repair and replacement: Repair damaged microswitches in game controllers, keyboards, and remote controls.
◆Industrial control: integrated into PLC control panel and instrument operation interface.
◆Consumer electronics: hidden buttons for smartwatches, mini speakers, and portable devices.