The part number **167MDCL202KHK** refers to a high-voltage, high-capacitance film capacitor typically used in power electronics, induction heating, and pulse power applications. ### 1. Technical Specifications Table | Parameter | Specification | Description | | :--- | :--- | :--- | | **Series** | 167 | High-performance DC link / Pulse series | | **Capacitance** | 2.0 µF | The storage capacity (202 = 20 * 10^2 pF) | | **Tolerance** | ±10% (K) | Permissible deviation from nominal capacitance | | **Voltage (DC)** | 2000V DC | Maximum continuous working voltage | | **Dielectric** | Metallized Polypropylene | Low loss, high insulation resistance | | **Termination** | Lug/Screw Terminals | Designed for high-current busbar mounting | --- ### 2. Breakdown of the Part Number * **167**: Represents the specific series or construction style (likely specialized for high voltage/current). * **MDCL**: Indicates the physical package and dielectric type (Metallized DC Link). * **202**: The capacitance code. $20 \times 10^2$ picofarads = 2,000,000 pF, which equals **2.0 µF**. * **K**: The tolerance code ($K = \pm 10\%$). * **HK**: Likely refers to the specific physical housing or terminal configuration (High-profile or specific Lug type). --- ### 3. Key Features and Applications #### Features * **High dV/dt:** Can handle rapid changes in voltage without degrading. * **Self-Healing Properties:** If a dielectric breakdown occurs, the metallized layer evaporates, "clearing" the short circuit. * **Low ESR/ESL:** Low Equivalent Series Resistance and Inductance, making it efficient for high-frequency switching. * **Thermal Stability:** Designed to operate in high-temperature environments common in industrial power cabinets. #### Common Applications 1. **DC-Link Circuits:** Used in VFDs (Variable Frequency Drives) and solar inverters to smooth DC voltage. 2. **Induction Heating:** Acting as a resonant capacitor in high-power heating systems. 3. **Pulse Power:** Discharging large amounts of energy quickly for laser or medical imaging equipment. 4. **EV Charging:** Power conversion stages in high-voltage DC fast chargers. ---