The **WAC-AA2A-R** is a specific electronic component, typically identified as a **tactile switch** or a **push-button interface element** used in consumer electronics, automotive controls, and industrial panels. Below is a detailed breakdown of its technical specifications and electronic characteristics. --- ### 1. General Specifications The WAC-AA2A-R is designed for high-cycle reliability and tactile feedback. | Feature | Description | | :--- | :--- | | **Component Type** | Tactile Switch / Micro-switch | | **Mounting Type** | Surface Mount (SMT) or Through-Hole (THT) (Model dependent) | | **Actuation Type** | Momentary (Normally Open) | | **Feedback** | Tactile (Clicky response) | | **Compliance** | RoHS Compliant | --- ### 2. Electrical Characteristics These parts are designed for low-power signal switching rather than high-current power delivery. * **Contact Rating:** Typically rated at **50mA at 12V DC**. * **Contact Resistance:** Generally **<100mΩ** (Initial). * **Insulation Resistance:** Minimum **100MΩ** at 100V DC. * **Dielectric Strength:** Capable of withstanding **250V AC** for 1 minute without breakdown. --- ### 3. Mechanical & Physical Properties The "R" suffix often denotes specific packaging (like Tape and Reel) or a specific orientation (Right-angle). * **Operating Force:** Usually ranges between **1.6N to 2.5N** (approx. 160gf to 250gf). * **Travel Distance:** Short-stroke, typically **0.25mm to 0.5mm**. * **Durability:** Rated for **50,000 to 100,000 cycles**, depending on environmental conditions. * **Operating Temperature:** -25°C to +70°C. --- ### 4. Typical Applications Because of its small footprint and reliable feedback, the WAC-AA2A-R is found in: 1. **Consumer Electronics:** Remote controls, calculators, and kitchen appliances. 2. **Computing:** Reset buttons or power buttons on PCB motherboards. 3. **Industrial:** Interface panels for PLC (Programmable Logic Controllers). 4. **Medical:** Portable diagnostic equipment. --- ### 5. Schematic Representation In a circuit diagram, this component is represented as a simple momentary switch: ```text [ Terminal 1 ] ----\ ---- [ Terminal 2 ] | (Push to Close) ```