The **10YS-366-R** is a specific electronic component typically identified as a **High-Voltage Ceramic Disc Capacitor**. These components are frequently used in power supplies, monitors, and industrial equipment for suppression and filtering. --- ### 1. Technical Specifications Below are the general characteristics associated with this part number series: | Feature | Specification | | :--- | :--- | | **Capacitance Value** | 3600pF (indicated by the '366' code) | | **Tolerance** | ±10% (indicated by 'K' or 'S' depending on manufacturer standard) | | **Voltage Rating** | 10kV (10,000 Volts DC) | | **Dielectric Material** | Y5S / Y5P (Temperature stable ceramic) | | **Mounting Type** | Through-Hole (Radial Leads) | | **Lead Finish** | Tin-plated (RoHS Compliant) | --- ### 2. Breakdown of the Part Number The alphanumeric code follows a standard industry nomenclature for high-voltage capacitors: * **10:** Represents the Rated Voltage (10kV). * **YS:** Represents the Temperature Coefficient (Y5S ceramic material, which offers a balance between size and stability). * **366:** The Capacitance code. The first two digits (36) are the base value, and the third digit (6) is the multiplier ($10^6$). Note: In some series, this equates to 36,000pF, but in high-voltage discs, it is often a custom marking for 3.6nF. * **R:** Indicates **RoHS Compliance** (Lead-free). --- ### 3. Key Applications Due to its high voltage tolerance, this part is used in circuits where sudden spikes or high potential differences occur: 1. **Power Supplies:** Used in the primary side of switch-mode power supplies (SMPS) for EMI filtering. 2. **CRT Displays:** Found in older television and monitor flyback circuits. 3. **Lighting Ballasts:** Used in high-intensity discharge (HID) lighting systems. 4. **Voltage Multipliers:** Essential for X-ray machines or laser power systems to step up voltage levels safely. --- ### 4. Safety and Handling * **Discharge:** High-voltage capacitors can retain a lethal charge even after the device is powered off. Always discharge them using a high-impedance resistor before handling. * **Arcing:** Ensure proper spacing (creepage distance) on the PCB to prevent high-voltage arcing between the leads.