The **M2AS1-5423-R** is a specific electronic component belonging to the **Tactile Switch** family, typically manufactured by companies like **CIT Relay & Switch**. It is designed for PCB mounting and is commonly used in interfaces where tactile feedback is required. --- ### 1. General Specifications The following table highlights the core electrical and physical characteristics of this part: | Parameter | Specification | | :--- | :--- | | **Switch Type** | Tactile Switch | | **Actuator Style** | Round Button (Top Actuated) | | **Mounting Type** | Surface Mount (SMT) / Gull Wing | | **Contact Rating** | 50mA @ 12VDC | | **Operating Force** | 160gf ± 50gf (Standard tactile feel) | | **Travel** | 0.25mm ± 0.1mm | | **Operating Life** | ~100,000 Cycles | --- ### 2. Physical Dimensions & Construction The "M2" series generally refers to a specific miniature footprint. * **Size:** Usually a 6.0mm x 6.0mm base. * **Height:** The "5423" suffix often indicates the specific height of the actuator (plunger) from the PCB surface. * **Materials:** * **Base:** High-temperature Thermoplastic (LCP or Nylon). * **Contacts:** Silver-plated Stainless Steel or Copper Alloy for high conductivity. * **Cover:** Stainless steel or Nickel-plated steel. --- ### 3. Key Electronic Features * **SPST Configuration:** This is a **Single Pole Single Throw - Normally Open (SPST-NO)** switch. The circuit is only completed when the button is actively pressed. * **Tactile Feedback:** It provides a distinct "click" sensation, informing the user that the switch has been successfully actuated. * **SMD Design:** The "R" at the end of the part number often indicates **Tape and Reel** packaging, suitable for automated pick-and-place assembly lines. --- ### 4. Common Applications Due to its small footprint and reliability, the M2AS1-5423-R is found in: * **Consumer Electronics:** Remote controls, cameras, and handheld gaming devices. * **Telecommunications:** Buttons on routers or handsets. * **Medical Equipment:** Control panels for diagnostic tools. * **Industrial:** Reset buttons on PCBs or mode selection switches. ---