The **8564EC-103** is a high-performance **Electromagnetic Component**, specifically an **EMI (Electromagnetic Interference) Feedthrough Filter**. These components are critical in electronic systems to suppress high-frequency noise while allowing DC or low-frequency signals to pass through a shielded enclosure. --- ## 1. Technical Specifications Below are the typical parameters associated with the 8564EC-103 model: | Parameter | Specification | | :--- | :--- | | **Component Type** | EMI/RFI Feedthrough Filter | | **Capacitance Value** | 10,000 pF (0.01 µF) | | **Capacitance Tolerance** | ±20% (Standard) | | **Circuit Configuration** | C-Type (Single Capacitor) | | **Rated Voltage** | Typically 100V - 200V DC | | **Rated Current** | 5A - 10A (Depending on mounting) | | **Operating Temperature** | -55°C to +125°C | --- ## 2. Construction and Design The "103" in the part number follows the standard EIA capacitor code: * **10**: The first two significant digits. * **3**: The multiplier ($10^3$). * **Result**: 10,000 pF. ### Physical Characteristics * **Solder-In Style:** This part is usually designed to be soldered directly into a hole in a bulkhead or shield wall. * **Hermetic/Epoxy Seal:** It features a robust seal to protect the internal ceramic element from environmental moisture and mechanical stress. * **Plating:** Usually features gold or silver plating to ensure high conductivity and excellent solderability. --- ## 3. Key Electronic Functions The 8564EC-103 serves three primary roles in a circuit: 1. **Noise Suppression:** It shunts high-frequency interference (EMI/RFI) to the chassis ground before it can enter or exit a sensitive enclosure. 2. **Low-Pass Filtering:** It acts as a low-pass filter, allowing low-frequency power/signals to pass through the center lead while blocking MHz and GHz range noise. 3. **Isolation:** Provides a conductive path through a shielded "Faraday cage" without compromising the integrity of the shield itself. --- ## 4. Common Applications * **Military & Aerospace:** Used in communication rigs to prevent radio frequency leakage. * **Medical Equipment:** Protecting sensitive sensors from background electronic noise. * **Telecommunications:** Base station power supplies and signal processing units. * **Industrial Controls:** Protecting PLCs (Programmable Logic Controllers) from motor noise.