The **18TS-36A-R** is a specific type of **Tactile Switch** (also known as a momentary push-button switch). These components are widely used in consumer electronics, automotive interfaces, and industrial controls to provide a physical "click" sensation and complete a circuit when pressed. ### 1. General Specifications While specific datasheets can vary slightly by manufacturer, the "18TS" series generally follows these standard electromechanical parameters: | Parameter | Typical Value | | :--- | :--- | | **Switch Type** | Tactile (Momentary) | | **Mounting Type** | Surface Mount (SMT/SMD) | | **Operating Force** | 160gf to 260gf (Grams-force) | | **Contact Rating** | 50mA @ 12V DC | | **Life Cycle** | 100,000 to 500,000 cycles | | **Travel** | 0.25mm ± 0.1mm | --- ### 2. Physical Design & Dimensions The "36A" in the part number often refers to the physical footprint or height of the component. * **Size:** Usually characterized by a small square or rectangular base (e.g., 3x6mm or 6x6mm). * **Actuator:** The "button" part that is pressed. In the 36A-R variant, this is typically a low-profile plastic plunger. * **Terminals:** Usually features "Gull-wing" or "J-lead" pins for surface mounting on a PCB. * **"R" Suffix:** Typically indicates **Tape & Reel** packaging, which is necessary for automated Pick-and-Place assembly machines. --- ### 3. Internal Construction The switch consists of four primary internal components: 1. **Cover:** A metal plate that protects the internal mechanism. 2. **Plunger:** The plastic part the user pushes. 3. **Contact Dome:** A stainless steel or copper alloy disc. When pressed, it snaps downward to connect two leads. This "snap" provides the tactile feedback. 4. **Base:** A high-temperature resistant plastic (like LCP) that holds the terminals in place. --- ### 4. Common Applications Due to its small footprint and reliability, the 18TS-36A-R is commonly found in: * **Consumer Electronics:** Remote controls, digital cameras, and handheld gaming devices. * **Computing:** Mouse buttons, reset switches on motherboards, or laptop power buttons. * **Home Appliances:** Microwave control panels or washing machine interfaces. --- ### 5. Circuit Symbol In a schematic, this part is represented as a normally open (NO) momentary switch: ```text / -----o o----- ``` ---