The part number **B65716-L-R65** refers to a high-quality ferrite core manufactured by **TDK Electronics (formerly EPCOS)**. Specifically, this is a **PM Core** (Pot Core Module) designed for high-power industrial applications. --- ### 1. Technical Specifications The following table outlines the primary physical and magnetic characteristics of the B65716 series. | Parameter | Specification | | :--- | :--- | | **Core Shape** | PM 114/93 | | **Material** | N65 (High-frequency, low-loss material) | | **Effective Length ($l_e$)** | 200 mm | | **Effective Area ($A_e$)** | 1200 mm² | | **Effective Volume ($V_e$)** | 240,000 mm³ | | **Weight** | ~1100 g per set | | **Inductance Factor ($A_L$)** | High (Typically used for power transformers) | --- ### 2. Breakdown of the Part Number Understanding the nomenclature helps identify the exact variant: * **B65716**: Indicates the specific size and geometry (PM 114/93). * **-L**: Usually denotes the version/half or specific assembly configuration. * **-R65**: Indicates the **Material Grade**. The **N65** material is optimized for high-frequency performance and low power loss, specifically in the range of 100 kHz to 500 kHz. --- ### 3. Key Features and Applications The PM (Pot Module) core design offers unique advantages over standard E-cores or Toroids: #### Features * **Shielding:** The shape provides excellent self-shielding, minimizing electromagnetic interference (EMI). * **Thermal Performance:** Large surface area allows for efficient heat dissipation in high-power setups. * **Ease of Assembly:** Designed to be used with specific bobbins and mounting hardware for stable mechanical integration. #### Typical Applications * **Renewable Energy:** High-power solar inverters and wind power converters. * **Industrial Power Supplies:** Switched-mode power supplies (SMPS) for heavy machinery. * **Electric Vehicles (EV):** On-board chargers and DC/DC converters. * **Induction Heating:** High-frequency resonant circuits. --- ### 4. Complementary Accessories To use this core in a transformer or inductor design, the following components are typically required: 1. **Bobbins:** Specialized plastic forms to hold the copper windings. 2. **Yokes/Clamps:** Metal hardware to hold the two halves of the core together securely. ---