The **SS30V-R250092** is a high-performance, dual-choke AC line filter (common mode choke) manufactured by **KEMET**. It is designed specifically to suppress electromagnetic interference (EMI) in power supply circuits. ### 1. Technical Specifications The following table summarizes the key electrical and physical characteristics of this component: | Parameter | Specification | | :--- | :--- | | **Series** | SS30V (High Permeability Type) | | **Rated Current** | 2.5 Amperes (A) | | **Inductance (Min)** | 9.2 mH | | **DC Resistance (Max)** | 0.160 $\Omega$ per line | | **Rated Voltage** | 250 VAC | | **Temperature Rise** | 60 K (Maximum) | | **Operating Temp Range** | -25°C to +120°C | --- ### 2. Physical Construction and Form Factor The "SS30V" designation refers to the physical size and orientation of the component. * **Vertical Configuration:** The part is designed for vertical mounting on a PCB to save horizontal board space. * **Core Material:** It utilizes a high-permeability Ferrite S18H core, which is optimized for effective noise suppression across a wide frequency range. * **Winding:** It features a split-bobbin design to ensure high dielectric strength between the two coils. --- ### 3. Functional Application Common mode chokes like the SS30V-R250092 are essential in modern electronics to comply with EMC (Electromagnetic Compatibility) regulations. * **Noise Suppression:** It targets "Common Mode" noise—interference that travels in the same direction on both the line and neutral wires. * **Typical Uses:** * Switch Mode Power Supplies (SMPS). * LED Lighting drivers. * Audio-Visual equipment. * Office automation (printers, copiers). * Industrial power modules. --- ### 4. Part Number Breakdown Understanding the KEMET nomenclature for this part: | Segment | Meaning | | :--- | :--- | | **SS** | Standard Series | | **30V** | Physical size (30) and Vertical (V) orientation | | **R** | High permeability core material | | **25** | Rated current (2.5 Amperes) | | **0092** | Inductance value (9.2 mH) |