The part number **7101L41CWCLE2** refers to a high-quality, miniature toggle switch manufactured by **C&K** (now part of Littelfuse). This specific part belongs to the 7000 Series, which is industry-standard for versatile, multi-function switching. --- ### Part Number Breakdown To understand the electronic and mechanical properties, we can decode the nomenclature: | Code Segment | Feature | Description | | :--- | :--- | :--- | | **7101** | Function | SPDT (Single Pole, Double Throw) On-On | | **L41** | Actuator | 13.46mm (0.530") high, flat lever handle | | **CW** | Bushing | Threaded, 1/4-40, with internal O-ring seal | | **CLE** | Contact Material | Tin-Lead (or specific alloy) with Gold over Silver | | **2** | Termination | PC Thru-hole (Straight) | --- ### Technical Specifications #### 1. Electrical Ratings * **Contact Rating:** Generally 5 Amps @ 120V AC or 28V DC; 2 Amps @ 250V AC. * **Electrical Life:** 40,000 make-and-break cycles at full load. * **Contact Resistance:** Below 10 mΩ typ. initial @ 2-4 V DC, 100 mA. * **Insulation Resistance:** $10^9$ Ω min. #### 2. Mechanical & Environmental * **Sealing:** The "CW" designation indicates an **IP67-rated** internal actuator seal. This makes it resistant to dust and temporary immersion in water, suitable for harsh environments. * **Operating Temperature:** -30°C to +85°C. * **Actuator Style:** Flat lever (L41), which provides a modern aesthetic and a larger surface area for the finger compared to standard bat-style toggles. #### 3. Material Composition * **Case:** Glass-filled nylon 6/6, flame retardant, heat stabilized. * **Actuator:** Chrome-plated brass. * **Contacts:** Gold over silver (Commonly used to ensure low-level switching reliability while maintaining high-power capability). --- ### Typical Applications Due to its sealed nature and SPDT configuration, this switch is commonly found in: * **Industrial Control Panels:** Where dust and moisture protection are required. * **Telecommunications Equipment:** For reliable signal routing. * **Medical Instrumentation:** Where cleaning fluids might come into contact with the interface. * **Test & Measurement Gear:** Providing a rugged user interface for mode selection.