Details

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3-Pin Miniature Tactile Push Button Switch | PCB Momentary Micro Switch 🖱️📐

This professional-grade 3-Pin Miniature Tactile Switch is a precision-engineered component designed for high-density integration on printed circuit boards (PCBs). Featuring a 3-pin configuration for enhanced mechanical stability and specific circuit routing, this momentary switch provides reliable tactile feedback for consumer electronics, industrial controllers, and DIY modular projects.

Key Product Features

• 3-Pin Delta Configuration: The unique three-pin layout provides superior physical anchoring to the PCB, preventing the switch from tilting or lifting during repeated high-force use.

• Tactile Momentary Response: Internal dome-spring mechanism ensures a crisp "click" feel and audible sound upon actuation, confirming the signal has been sent.

• Space-Saving Design: Ultra-compact vertical footprint allows for seamless placement in tight enclosures and compact electronic devices.

• Reinforced Solder Pins: Features elongated, precision-cut metal pins optimized for through-hole technology (THT) and automated soldering processes.

• High-Durability Actuator: The low-profile black plunger is built from wear-resistant polymer to maintain consistent travel distance over thousands of cycles.

Technical Specifications

• Switch Type: Tactile / Micro Push Button (Momentary).

• Configuration: 3-Pin Single-Pole Single-Throw (SPST) variants.

• Mounting Type: PCB Through-Hole (THT).

• Actuator Height: Low-profile integrated plunger.

• Application: Ideal for system resets, mode selection buttons, interface navigation, and custom keyboard matrix designs.

Top 3 Customer Questions & Concerns 🙋‍♂️

⚙️ Why does this switch have 3 pins instead of 2? The third pin typically serves as a mechanical support leg for extra stability on the PCB. Electrically, it often shares a common connection with one of the other pins, ensuring that even if one solder joint is stressed, the signal remains intact.

🔌 Is this a "Stay-On" (Latching) or "Push-and-Release" (Momentary) switch? This is a momentary switch. The circuit is only closed (ON) while your finger is physically pressing the button. Once you release the button, it immediately springs back to the OFF position.

⚠️ How do I identify the pins for my circuit? Because these are miniature components, it is best to use a multimeter on the "continuity" setting. Place the probes on two pins and press the button; if the meter beeps, you have found the active switching pair.