The **KCE-1D-R** is an electronic component primarily classified as a **High-Voltage Rectifier Diode**, often utilized in specialized industrial and commercial microwave oven circuits. It is designed to handle high-voltage rectification to convert AC power into DC power for the magnetron. --- ### Technical Specifications Below are the typical electronic characteristics of the KCE-1D-R: | Parameter | Specification | | :--- | :--- | | **Component Type** | High Voltage Silicon Rectifier | | **Repetitive Peak Reverse Voltage ($V_{RRM}$)** | 12kV (12,000 Volts) | | **Average Forward Current ($I_{F(AV)}$)** | 350mA - 500mA (Depending on cooling) | | **Maximum Forward Voltage Drop ($V_{F}$)** | Approx. 11V - 13V | | **Operating Temperature Range** | -20°C to +130°C | | **Mounting Type** | Through-hole (usually with ring terminals or lead wires) | --- ### Key Features and Construction * **High Voltage Stacking:** Internally, the KCE-1D-R consists of several silicon junctions connected in series (stacked) to achieve the high breakdown voltage required for microwave applications. * **Low Leakage:** Designed with low reverse leakage current to ensure efficiency and prevent overheating during the non-conduction cycle. * **Durability:** The body is usually encapsulated in a flame-retardant epoxy resin to protect against high-voltage arcing and environmental humidity. --- ### Typical Circuit Applications The KCE-1D-R is most commonly found in the following electronic assemblies: 1. **Microwave Power Supplies:** It works alongside a high-voltage capacitor to form a **half-wave doubler circuit**, providing the ~4kV DC required to drive a magnetron. 2. **Industrial X-Ray Equipment:** Used in the rectification stage of small-scale high-voltage generators. 3. **Electrostatic Air Cleaners:** Acts as a rectifier for the high-voltage grids that ionize air particles. ### Safety Warning > **DANGER:** This component operates in circuits with lethal voltages. Even after a device is unplugged, the capacitors connected to the KCE-1D-R can hold a high-voltage charge. Always discharge high-voltage capacitors before inspecting or replacing this part.