The **M2TT-61-R** is a specific model of a miniature toggle switch, typically manufactured by **NKK Switches**. It belongs to the M series, which is known for its durability and variety of mounting and circuit options. --- ### 1. Key Technical Specifications The following table outlines the core electronic and mechanical characteristics of the M2TT-61-R: | Feature | Specification | | :--- | :--- | | **Circuit Type** | DPDT (Double Pole, Double Throw) | | **Switch Function** | ON - NONE - ON | | **Contact Rating** | 0.4VA Max @ 28V AC/DC (Logic Level) | | **Mounting Type** | Through Hole, Right Angle (Horizontal) | | **Actuator Type** | Standard Bat Lever | | **Terminal Type** | PC Pin (Gold plated) | | **Mechanical Life** | 100,000 Cycles minimum | --- ### 2. Detailed Component Breakdown #### A. Contact Mechanism (Logic Level) Unlike heavy-duty switches, the "R" suffix in the M2 series usually denotes **gold-plated contacts**. * **Purpose:** Designed specifically for low-energy "logic level" circuits where voltage and current are minimal. * **Benefit:** The gold plating prevents oxidation, ensuring high reliability in digital signal switching where a standard silver contact might fail due to lack of an "arc" to clean the surface. #### B. DPDT Configuration The **Double Pole, Double Throw** configuration means the switch controls two separate circuits simultaneously. Each "pole" has two positions it can connect to, making it highly versatile for: * Reversing motor polarity. * Switching between two different signal sources. * Simultaneous switching of power and an LED indicator. #### C. Physical Orientation (Right Angle) The "TT" and the specific model numbering indicate a **Right Angle PC Mount**. This means: * The pins are bent at 90 degrees. * When soldered to a Printed Circuit Board (PCB), the toggle actuator sticks out from the side (parallel to the board), making it ideal for edge-mounting on handheld devices or rack equipment. --- ### 3. Application Use-Cases * **Telecommunications:** Routing low-voltage signals. * **Medical Equipment:** Used in handheld diagnostic tools. * **Audio/Visual:** Signal path toggling in mixers or pedals. * **Industrial Controls:** Reset or mode-selection switches on internal PCB assemblies. ---