The part number **03GENW3ESSLASH-R** refers to a high-performance **Power Line Filter** (EMI/RFI Filter) manufactured by **Delta Electronics**. It is specifically designed as an IEC Inlet filter, commonly used to suppress electromagnetic interference in electronic devices. --- ### 1. Technical Specifications The following table outlines the primary electrical and physical characteristics of this component: | Parameter | Specification | | :--- | :--- | | **Manufacturer** | Delta Electronics | | **Filter Type** | Single Phase (EMI/RFI) | | **Current Rating** | 3 Amperes | | **Voltage Rating** | 115V / 250V AC | | **Operating Frequency** | 50 / 60 Hz | | **Connector Type** | IEC 320-C14 (Male Inlet) | | **Termination Style** | Solder Lug / Quick Connect | | **Mounting Type** | Snap-in (Panel Mount) | | **Leakage Current** | 0.20 mA @ 115V / 0.40 mA @ 250V | --- ### 2. Key Features and Construction The "GEN" series from Delta is known for integrating multiple functions into a single compact housing: * **Integrated Inlet:** Combines the AC power socket (C14) with the filter circuitry, saving internal chassis space. * **Safety Certifications:** Usually carries UL, CSA, and VDE approvals, ensuring compliance with international safety standards for leakage current and dielectric strength. * **Shielding:** Encased in a metal housing to provide effective shielding against radiated emissions. * **The "-R" Suffix:** This typically denotes **RoHS Compliance**, indicating that the part is manufactured without hazardous substances like lead. --- ### 3. Application Use Cases This component is typically found in the "front-end" of electronic equipment where the power cord connects to the device. Common applications include: 1. **Medical Equipment:** Due to low leakage current requirements. 2. **Test and Measurement Instruments:** To ensure electrical noise doesn't interfere with sensitive readings. 3. **Industrial Automation:** Protecting PLCs and controllers from grid noise. 4. **IT Equipment:** Servers and networking gear requiring stable power input. --- ### 4. Circuit Diagram Representation Internally, the filter typically consists of a combination of: * **X-Capacitors:** Connected across the line to suppress differential mode noise. * **Y-Capacitors:** Connected from line/neutral to ground to suppress common-mode noise. * **Common-Mode Choke:** An inductor that filters out high-frequency interference.