## Overview of the G3T15AH-R The **G3T15AH-R** is a high-quality, ultra-miniature toggle switch manufactured by **NKK Switches**. It is specifically designed for logic-level applications and is known for its surface-mount capability and reliability in compact electronic circuits. --- ### 1. Key Technical Specifications | Feature | Specification | | :--- | :--- | | **Circuit Type** | SPDT (Single Pole Double Throw) | | **Switch Function** | ON - NONE - ON | | **Current Rating** | 0.4VA maximum @ 28V AC/DC max | | **Termination Style** | Gull Wing (Surface Mount) | | **Actuator Style** | Toggle (Standard) | | **Operating Temperature** | -30°C to +85°C | | **Mechanical Life** | 50,000 Cycles | --- ### 2. Component Design & Materials The G3T15AH-R utilizes specific materials to ensure longevity and electrical integrity: * **Contacts:** Typically gold-plated over nickel. Gold is used because these switches operate at "Logic Level" (low voltage/current), where preventing oxidation is critical for maintaining conductivity. * **Sealing:** The device features a **process-sealed construction**. This allows the component to withstand automated soldering processes, including fluxing and immersion cleaning, without internal contamination. * **Housing:** Made of high-temperature heat-resistant resin to withstand infrared (IR) convection reflow soldering. --- ### 3. Physical Dimensions (Approximate) Due to its "Ultra-Miniature" classification, the dimensions are extremely small to save PCB real estate: * **Body Width:** ~7.0 mm * **Body Height:** ~5.0 mm (excluding actuator) * **Mounting Type:** Horizontal SMT (Surface Mount Technology). The "AH" in the part number specifically denotes the **Right Angle Surface Mount** orientation with a bracket. --- ### 4. Applications This component is commonly found in: 1. **Handheld Devices:** Due to its small footprint. 2. **Telecommunications:** For signal switching in networking equipment. 3. **Medical Instrumentation:** Where high reliability and small size are required. 4. **Test & Measurement:** Used as a configuration or reset switch on internal boards. --- ### 5. Part Number Breakdown | Segment | Meaning | | :--- | :--- | | **G3T** | Series (Ultra-Miniature SMT Toggles) | | **15** | Circuit (SPDT, ON-ON) | | **AH** | Right Angle SMT terminals with bracket | | **-R** | Tape & Reel Packaging (for automated assembly) |