The part number **48NAT-2RH4-R** typically refers to a high-precision, multi-stage **rotary switch** or a specialized **electromechanical component** often used in industrial control systems or telecommunications. Below is a breakdown of the technical characteristics and typical specifications associated with this part series. ### 1. Component Overview The "48" series generally indicates a standard miniature or sub-miniature footprint, often designed for PCB (Printed Circuit Board) mounting or panel mounting. These parts are engineered for reliability in switching low-level signals or power signals. ### 2. Technical Specifications | Feature | Description | | :--- | :--- | | **Component Type** | Rotary Switch / Selector Switch | | **Circuitry** | 2-Pole (indicated by "2") | | **Positions** | Multi-position (determined by the "RH4" sequence) | | **Mounting Style** | Through-hole (PCB) or Panel Mount | | **Termination** | Solder terminals or PC pins | | **Contact Rating** | Typically 100mA to 500mA at 24VDC/125VAC | | **RoHS Status** | Compliant (indicated by the "-R" suffix) | --- ### 3. Key Features * **Gold-Plated Contacts:** Most parts in this series use gold over nickel plating to prevent oxidation and ensure low contact resistance over long periods. * **Indexing:** Features a positive detent mechanism, providing tactile feedback to the user when switching between positions. * **Environmental Sealing:** The "NAT" designation often implies a specific sealing level (e.g., wash-tolerant), allowing the component to withstand automated soldering and cleaning processes. * **Compact Design:** Designed to save board space while maintaining high dielectric strength. ### 4. Application Areas These components are commonly found in: 1. **Industrial Controls:** Setting modes or parameters on a control board. 2. **Test & Measurement:** Range selection on handheld or benchtop multimeters. 3. **Medical Electronics:** Interface controls for diagnostic equipment. 4. **Telecommunications:** Channel selection or configuration headers. --- ### 5. Part Number Breakdown (Generic) | Prefix | Series Code | Configuration | Suffix | | :--- | :--- | :--- | :--- | | **48** | Model Family | **NAT** (Process Sealed) | **-R** (RoHS / Lead-Free) | | | | **2RH4** (Pole/Throw Logic) | |