The part number **DM10CY151JO3-RHR02** refers to a high-precision, high-reliability **Silver Mica Capacitor**. These capacitors are known for their exceptional stability, low loss, and high performance in RF (Radio Frequency) applications. --- ### 1. Technical Specifications Breakdown | Feature | Specification | Description | | :--- | :--- | :--- | | **Capacitance** | 150 pF | The storage capacity (Code: 151 = $15 \times 10^1$). | | **Tolerance** | ±5% | Designated by the letter "J". | | **Voltage Rating** | 500V DC | High dielectric strength for power applications. | | **Dielectric Material** | Silver Mica | Excellent thermal stability and low aging. | | **Operating Temp** | -55°C to +125°C | Standard industrial/military temperature range. | | **Package Type** | Dipped Radial | Protective epoxy coating with through-hole leads. | --- ### 2. Key Characteristics * **High Q Factor:** Because mica is a natural mineral with low resistive losses, these capacitors have a very high Quality (Q) factor, making them ideal for resonant circuits. * **Temperature Coefficient:** They exhibit very little change in capacitance over a wide range of temperatures. * **Precision:** Mica capacitors can be manufactured to very tight tolerances compared to ceramic or electrolytic types. * **Durability:** The "RHR" suffix often implies High Reliability (Hi-Rel) screening, meaning the part is tested for longevity and performance under stress. --- ### 3. Common Applications Due to its stability and high-frequency performance, this specific part is typically used in: 1. **RF Oscillators:** Maintaining frequency stability in radio transmitters. 2. **Filter Networks:** Precision tuning in high-frequency signal processing. 3. **Snubber Circuits:** Handling high-voltage spikes in power supplies. 4. **Audio Equipment:** High-end audio enthusiasts use them for their "transparent" signal characteristics. --- ### 4. Physical Dimensions (Approximate) The **DM10** case size is a standard designation: * **Width:** ~9.0mm - 11.5mm * **Height:** ~6.5mm - 9.0mm * **Lead Spacing:** Typically 3.5mm to 5.0mm depending on the lead forming style. ---