## Overview of the G3T15AP-R The **G3T15AP-R** is a high-quality, subminiature process-sealed toggle switch manufactured by **NKK Switches**. It is part of the G3T series, specifically designed for surface-mount applications where space is at a premium and durability during manufacturing is required. --- ### Technical Specifications The following table outlines the primary electrical and mechanical characteristics of the G3T15AP-R: | Parameter | Specification | | :--- | :--- | | **Switch Function** | SPDT (Single Pole Double Throw) | | **Circuit Detail** | ON - NONE - (ON) *Note: ( ) indicates momentary* | | **Current Rating** | 0.4VA maximum @ 28V AC/DC maximum | | **Terminal Type** | Gull Wing (Surface Mount) | | **Actuator Style** | Standard Toggle (3.8mm) | | **Contact Material** | Gold plated | | **Operating Temp** | -30°C to +85°C | | **Mechanical Life** | 50,000 operations minimum | --- ### Key Component Features #### 1. Logic Level Reliability This switch is designed for **logic level** applications. The use of gold-plated contacts prevents oxidation and ensures a reliable connection even at very low voltages and currents (0.4VA max). It is not intended for high-power switching. #### 2. Process Sealed Construction The "AP" in the part number signifies its environmental sealing. * **Sealing:** The switch is fully sealed with an internal o-ring and ultrasonic welding. * **Washability:** It is designed to withstand automated soldering processes, including vapor phase and infrared convection reflow, and can be subjected to automated washing to remove flux without contamination. #### 3. Subminiature Form Factor The G3T series is one of the smallest toggle switches available for PCB mounting. The "Gull Wing" terminal shape is specifically engineered to provide stable mounting on Surface Mount Technology (SMT) pads. #### 4. Heat Resistant Resin The housing is constructed from high-heat resistant Polyphenylene Sulfide (PPS) or similar high-performance resin, allowing it to survive the high temperatures of lead-free reflow soldering. --- ### Terminal Configuration (SPDT) As an SPDT switch, it features three terminals. The logic flow is as follows: 1. **Terminal 2 (Common):** The center pin. 2. **Terminal 1 & 3:** The output pins. 3. **Operation:** In the "ON-(ON)" configuration, the switch rests in one position (connecting 2 to 3) and must be held to connect the other position (2 to 1). It springs back to the original state when released. ---