The part number **2CW032047JL-R** refers to a high-voltage, high-reliability ceramic capacitor, typically manufactured by specialized electronic component firms like **CDE (Cornell Dubilier)** or similar industrial ceramic suppliers. Below is a detailed breakdown of its specifications, construction, and typical use cases. --- ## 1. Technical Specifications Based on the alphanumeric coding common to this series, the technical parameters are generally structured as follows: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Component Type** | Ceramic Disc Capacitor | High-voltage protective component | | **Capacitance** | 470 pF (0.47 nF) | Indicated by the "47" and multiplier "1" (implied) | | **Tolerance** | ±5% (J) | "J" code denotes a 5% precision rating | | **Voltage Rating** | 20kV - 30kV DC | Designed for extreme high-voltage isolation | | **Dielectric Material** | N4700 or Y5P | High stability ceramic material | | **Mounting Type** | Through-Hole | Radial leads for PCB or chassis mounting | | **Packaging** | RoHS Compliant (R) | The "R" suffix indicates environmental compliance | --- ## 2. Component Composition This part consists of several critical layers designed to handle high electrical stress: ### A. Ceramic Dielectric The core is a ceramic disc (likely **N4700**), which is chosen for its low dissipation factor and excellent voltage stability. This prevents the capacitor from overheating during high-frequency operation. ### B. Electrode Coating Silver electrodes are fired onto both sides of the ceramic disc to ensure a low-resistance path for the electrical charge. ### C. Encapsulation The entire unit is encapsulated in a flame-retardant **Epoxy Resin**. This coating provides: * Moisture resistance. * Protection against "arcing" (electrical sparks jumping across the surface). * Mechanical durability. --- ## 3. Typical Applications The **2CW032047JL-R** is not a consumer-grade component; it is found in specialized industrial equipment: * **X-Ray Machines:** Used in the high-voltage power supplies for imaging tubes. * **Laser Systems:** Employed in pulse-forming networks for gas lasers. * **Electrostatic Precipitators:** Used in air filtration systems to provide the high-voltage charge needed to trap dust. * **Voltage Multipliers:** Often used in "Cockcroft-Walton" generator circuits to step up AC voltage to very high DC levels. --- ## 4. Safety and Handling Because this part operates at voltages exceeding **20,000 Volts**: 1. **Creepage Distance:** Ensure adequate physical space between this component and other traces to prevent surface tracking. 2. **Discharge:** High-voltage capacitors can hold a lethal charge long after power is removed. Always discharge before handling. 3. **Cleanliness:** Dust or fingerprints on the epoxy surface can create conductive paths, leading to component failure. ---