The **CK45-R3AD102KAVRA** is a specific high-voltage ceramic disc capacitor manufactured by **TDK Corporation**. This component is designed for power supply circuits, noise suppression, and high-voltage decoupling. --- ### 1. Component Specification Breakdown The part number follows a specific nomenclature that defines its physical and electrical characteristics: | Code Segment | Property | Description | | :--- | :--- | :--- | | **CK45** | Series Type | TDK High Voltage Ceramic Disc (Commercial Grade) | | **R3AD** | Voltage Rating | **1kV DC** (1000 Volts) | | **102** | Capacitance Value | **1,000 pF** (1nF) - (10 followed by 2 zeros) | | **K** | Tolerance | **±10%** | | **A** | Lead Shape | Vertical Kink (Long Lead) | | **V** | Packaging | Taped (Radial Taping) | | **RA** | Compliance | RoHS Compliant | --- ### 2. Technical Specifications Below are the primary operating parameters for this device: * **Capacitance:** 1000 pF (1 nF) * **Rated Voltage:** 1000V DC * **Temperature Characteristic:** R (Low dissipation factor, stable under high voltage) * **Operating Temperature Range:** -25°C to +125°C * **Dissipation Factor (tan δ):** 0.2% maximum * **Insulation Resistance:** 10,000 MΩ minimum --- ### 3. Key Features & Applications #### Features * **High Reliability:** Designed to withstand high-voltage stresses over long periods. * **Low Loss:** Low dissipation factor ensures minimal heat generation during operation. * **Flame Retardant:** Encapsulated in a flame-retardant epoxy resin (UL94V-0 compliant). #### Common Applications 1. **Switching Power Supplies:** Used for snubber circuits to protect against voltage spikes. 2. **Monitor/TV Displays:** High-voltage horizontal resonance circuits. 3. **Inverters:** Noise filtering in DC-DC converters. 4. **Ballasts:** Used in lighting electronic ballasts. --- ### 4. Schematic Representation In a circuit diagram, this component is represented as a non-polarized capacitor: ```text C1 ----|(---- 1000pF 1kV ```