Based on your query, the part number **03GENW3ES-R** refers to an **EMI/RFI Filter** (Power Line Filter) manufactured by **Delta Electronics**. These components are critical in electronics for suppressing electromagnetic interference on power lines. --- ### 1. Technical Specifications Below are the primary electrical and physical characteristics of this specific component: | Feature | Specification | | :--- | :--- | | **Manufacturer** | Delta Electronics | | **Filter Type** | Single Phase / General Purpose | | **Current Rating** | 3 Amperes | | **Voltage Rating** | 115/250 VAC | | **Operating Frequency** | 50/60 Hz | | **Termination Style** | Wire Leads (W) | | **Mounting Type** | Flange Mount | | **Leakage Current** | 0.45 mA max @ 250V / 0.25 mA max @ 115V | --- ### 2. Component Breakdown (Part Number Logic) The part number can be decoded to understand its physical configuration: * **03**: Represents the **Rated Current** (3 Amps). * **GE**: Refers to the **Series** (General Purpose EMI filter). * **N**: Indicates the specific circuit configuration or housing style. * **W**: Stands for **Wire Leads** (the part has wires attached instead of solder tabs or a socket). * **3**: Represents the mounting hole distance or case size variation. * **ES**: Often denotes high-performance or specific safety agency approvals. * **-R**: Indicates compliance with **RoHS** (Restriction of Hazardous Substances) standards. --- ### 3. Key Functions 1. **Noise Suppression**: It filters out "noise" (interference) generated by the device so it doesn't travel back into the power grid. 2. **Protection**: It protects the sensitive internal electronics of a device from "dirty" power coming from the wall outlet. 3. **Regulatory Compliance**: Helps the final product meet EMI/EMC standards (like FCC or CE) required for commercial sale. --- ### 4. Common Applications * Household appliances. * Medical equipment (low leakage versions). * Industrial automation controls. * Power supplies for computers and telecommunications. ---