The **LCS-01-R** is an electronic component primarily classified as a **Miniature Microswitch (Snap Action Switch)**. It is widely used in automotive, industrial, and consumer electronics to detect physical movement or position. --- ### 1. Key Technical Specifications The electrical and mechanical characteristics define how the LCS-01-R functions within a circuit: | Feature | Specification | | :--- | :--- | | **Circuit Type** | SPDT (Single Pole Double Throw) | | **Switch Function** | On-Mom (Momentary) | | **Current Rating** | 0.1A (Signal Level) | | **Voltage Rating (AC)** | 125V / 250V AC | | **Contact Material** | Gold Plated (ensures high reliability for low currents) | | **Actuator Type** | Round Button / Pin Plunger | | **Termination Style** | PC Pin (Right Angle / Side exit typically) | | **Operating Force** | ~150gf (Grams-force) | --- ### 2. Internal Electronic Structure The switch operates on a **Snap Action** mechanism. This means that regardless of how slowly the external force is applied, the internal contacts "snap" into position at a specific speed, minimizing arcing and ensuring a crisp electrical transition. * **Common Terminal (C):** The input point for the current. * **Normally Open (NO):** The circuit is open until the plunger is pressed. * **Normally Closed (NC):** The circuit is closed until the plunger is pressed. * **Gold Contacts:** Because the LCS-01-R is rated for 0.1A, it is a "logic level" switch. Gold plating prevents oxidation, which is critical when the voltage/current is too low to "burn through" oxide layers found on silver contacts. --- ### 3. Physical Footprint and Design The "R" suffix in the part number often refers to the **Right-Angle** orientation of the PCB pins. 1. **Housing:** Usually made of high-temp thermoplastic (PBT or PPS) to withstand soldering. 2. **Sealing:** These switches are often designed to meet certain IP (Ingress Protection) ratings to resist dust and moisture. 3. **Mounting:** Designed for Through-Hole Technology (THT) on printed circuit boards. --- ### 4. Common Applications Due to its small size and low current rating, it is not used for power switching, but rather for **signal detection**: * **Automotive:** Door latch detection, seatbelt buckle sensors. * **Consumer Goods:** Detection of water tanks in coffee machines or lids on blenders. * **Computer Peripherals:** Mouse buttons or joystick limit switches. ---