The **M2TT-7F-R/N** belongs to the **M2 series** of miniature toggle switches manufactured by **NKK Switches**. These components are widely recognized for their durability and compact footprint in PCB (Printed Circuit Board) applications. --- ## 1. Component Overview The M2 series features a "Process Sealed" design, meaning these switches are built to withstand automated soldering and cleaning processes without internal contamination. | Attribute | Specification | | :--- | :--- | | **Manufacturer** | NKK Switches | | **Series** | M2 | | **Circuit Type** | DPDT (Double Pole, Double Throw) | | **Switch Function** | ON-ON | | **Actuator Style** | Standard Bat Lever | | **Terminal Type** | PC Terminals (Through-hole) | --- ## 2. Technical Specifications The electrical and physical characteristics of the M2TT-7F-R/N are optimized for low-to-medium power signal switching. ### Electrical Ratings * **Current/Voltage Rating:** * 6A @ 125V AC * 3A @ 250V AC * 4A @ 30V DC * **Contact Resistance:** 10 milliohms maximum. * **Insulation Resistance:** 1,000 Megohms minimum @ 500V DC. * **Dielectric Strength:** 1,000V AC minimum between contacts for at least one minute. ### Mechanical & Environmental * **Mechanical Life:** 100,000 operations minimum. * **Electrical Life:** 25,000 operations minimum. * **Operating Temp Range:** -30°C to +85°C (-22°F to +185°F). * **Sealing:** Meets IP67 standards (Dust-tight and protected against immersion). --- ## 3. Physical Dimensions & Layout The "7F" in the part number specifically refers to the terminal and bracket configuration. ### Terminal Configuration * **Spacing:** Standard 2.54mm (0.100") pitch, ideal for breadboards and standard PCB grids. * **Mounting:** This model is designed for **Vertical PC Mount** with a supporting bracket to provide mechanical stability during actuation. --- ## 4. Part Number Breakdown Understanding the suffix helps in identifying the specific variant: * **M2**: Series identifier. * **T**: Toggle Actuator. * **T**: DPDT (Double Pole Double Throw). * **7**: Function (ON-NONE-ON). * **F**: Right-angle or specific bracket mounting (PC terminals). * **R/N**: RoHS Compliant / Standard material finish. --- ## 5. Typical Applications Due to its sealed nature and DPDT configuration, this part is commonly used in: 1. **Industrial Controls:** Mode selection in rugged environments. 2. **Medical Equipment:** Portable diagnostic tools. 3. **Telecommunications:** Signal routing and power switching for networking gear. 4. **Audio Gear:** Channel switching or bypass toggles.