The **M2TG-11-R2** is a specific model within the **M2 series of toggle switches** manufactured by **NKK Switches**. This component is designed for logic-level applications and is known for its compact, subminiature size. --- ### 1. Technical Specifications The part number can be broken down into specific technical characteristics: | Feature | Specification | | :--- | :--- | | **Circuit Configuration** | SPDT (Single Pole Double Throw) | | **Switch Function** | ON - NONE - ON | | **Actuator Type** | Standard Lever (Toggle) | | **Terminal Type** | Right Angle PC Mount (0.100" pitch) | | **Contact Rating** | 0.4VA Max @ 28V AC/DC Max | | **Contact Material** | Gold plated (ideal for logic level) | | **Mounting Type** | Through-hole, Right Angle | --- ### 2. Key Electronic Components & Materials The internal and external construction of the M2TG-11-R2 is engineered for durability and electrical integrity: * **Contacts & Terminals:** The contacts are typically made of phosphor bronze or copper alloy with **gold plating over nickel**. Gold is used because it prevents oxidation, ensuring a reliable connection for low-energy (logic level) circuits. * **Insulation:** The base and housing are made of **Glass Fiber Reinforced Polyamide** or Diallyl Phthalate (DAP) resin. These materials provide high dielectric strength and heat resistance during soldering. * **Actuator (Toggle):** Usually chrome-plated brass or molded plastic, designed for a tactile "snap-action" feel. * **Sealing:** The "M2" series often features an anti-jamming design and an internal O-ring to protect contacts from environmental contaminants. --- ### 3. Applications Due to its 0.4VA power rating, this switch is not intended for power mains. Instead, it is used in: 1. **Handheld Devices:** Small form factor for portable electronics. 2. **Medical Equipment:** Reliable signal switching for diagnostic tools. 3. **Telecommunications:** Routing data signals on PCBs. 4. **Test & Measurement:** Input selection for oscilloscopes or multimeters. --- ### 4. Dimensional Drawing (Typical) ```text [Toggle] | | _____|__|_____ | | | [Switch Body]| ---- [Terminals 1, 2, 3] |______________| (Right Angle Bend) ```