The **G3B15AB-R-YA** is a high-quality, subminiature push-button switch manufactured by **NKK Switches**. It is specifically designed for logic-level applications and is known for its durability and surface-mount compatibility. --- ### 1. Technical Specifications The following table highlights the core electronic and mechanical parameters of the G3B15AB-R-YA: | Parameter | Specification | | :--- | :--- | | **Circuit** | SPDT (Single Pole Double Throw) | | **Switch Function** | On-(On) [Momentary] | | **Current Rating** | 0.4VA Max @ 28V AC/DC Max | | **Contact Resistance** | 80 mΩ Max | | **Insulation Resistance** | 500 MΩ Min @ 500V DC | | **Dielectric Strength** | 500V AC for 1 minute | | **Mechanical Life** | 50,000 Cycles | | **Operating Force** | 2.0 N | --- ### 2. Key Electronic Features * **Logic Level Rating:** This switch is designed for low-power circuits (0.4VA max). The contacts are typically gold-plated to ensure reliability when switching very low currents where oxidation could otherwise cause failure. * **Momentary Action:** The "On-(On)" designation indicates that the switch is normally in one state and only changes to the second state while the button is actively being pressed. It springs back to the original position upon release. * **Heat Resistant Resin:** The body is constructed from high-temperature sensitive materials, allowing it to withstand **Reflow Soldering** processes common in automated PCB assembly. * **Washable Construction:** It features an automated cleaning-friendly design (sealed body), meaning it can be subjected to flux cleaning processes after soldering without damaging the internal contacts. --- ### 3. Physical & Mounting Details #### Mounting Type * **Surface Mount (SMD/SMT):** Specifically designed with "Gull-wing" terminals for mounting directly onto the surface of a Printed Circuit Board. * **Subminiature Size:** Its extremely small footprint makes it ideal for high-density handheld devices. #### Actuator Style * The **"YA"** suffix in the part number typically refers to a specific color or style of the cap (usually a black or colored plunger/cap depending on the specific series variation). --- ### 4. Common Applications Due to its small size and high reliability, the G3B15AB-R-YA is commonly found in: 1. **Handheld Terminals:** Mobile scanning or data entry devices. 2. **Medical Equipment:** Portable diagnostic tools. 3. **Telecommunications:** Reset switches or mode-selection buttons. 4. **Consumer Electronics:** High-end audio interfaces or smart home controllers.