The part number **DM05CC100DO3-SA-R02** refers to a high-precision **Mica Capacitor** typically manufactured by companies like Cornell Dubilier (CDE). These capacitors are renowned for their stability, high reliability, and low loss at high frequencies. --- ### 1. Technical Specifications Below is the breakdown of the technical characteristics associated with this specific part: | Parameter | Specification | | :--- | :--- | | **Capacitance** | 10 pF (Picofarads) | | **Tolerance** | ±0.5 pF (indicated by the 'D' code) | | **Voltage Rating** | 300V or 500V DC (Standard for DM05 series) | | **Dielectric Material** | Silver Mica | | **Temperature Range** | -55°C to +125°C | | **Case Type** | DM05 (Small, dipped package) | | **Termination** | Radial leads (Solder coated) | --- ### 2. Part Number Breakdown Understanding the nomenclature helps in identifying the exact variant: * **DM05**: The physical size and style (Standard dipped mica). * **CC**: Temperature coefficient (typically 0 to +70 ppm/°C). * **100**: Capacitance value (10 with 0 zeros = 10pF). * **D**: Tolerance code (±0.5 pF). * **O3**: Operating voltage/internal design code. * **SA**: Specific finish or lead spacing (Standard lead style). * **R02**: Packaging/Revision code (often indicates RoHS compliance or tape/reel format). --- ### 3. Key Characteristics Silver mica capacitors offer unique benefits compared to ceramic or electrolytic types: 1. **High Precision:** Excellent for circuits requiring very tight tolerances. 2. **Stability:** The capacitance changes very little over time or with temperature fluctuations. 3. **Low Loss (High Q):** They have a very high "Quality Factor," making them ideal for RF (Radio Frequency) applications. 4. **Voltage Handling:** Despite their small size, they can handle relatively high DC voltages reliably. --- ### 4. Common Applications * **RF Oscillators:** Used to set precise frequencies. * **Filter Circuits:** High-Q filters in radio and communication equipment. * **Snubber Circuits:** In high-speed switching environments. * **Timing Circuits:** Where drift must be minimized.