The **DM10FD151JO3-RHR02** is a high-precision Silver Mica capacitor manufactured by **Cornell Dubilier (CDE)**. These components are renowned for their stability, high Q factor, and reliability in RF (Radio Frequency) and precision timing circuits. --- ### ## Technical Specifications Below is the detailed breakdown of the electrical and physical characteristics of this part: | Parameter | Specification | | :--- | :--- | | **Capacitance** | 150 pF (Picofarads) | | **Tolerance** | ±5% (indicated by 'J') | | **Voltage Rating** | 500 VDC | | **Dielectric Material** | Silver Mica | | **Operating Temperature** | -55°C to +125°C | | **Case Style** | DM10 (Standard Dipped Mica) | | **Termination** | Radial Leads (RoHS Compliant) | --- ### ### Key Features and Construction 1. **Silver Mica Dielectric:** * Unlike ceramic capacitors, mica capacitors use sheets of natural mica coated with silver electrodes. * This construction provides excellent **capacitance stability** over time and temperature. 2. **High Q Factor:** * Mica capacitors have very low losses (low ESR and high insulation resistance). This makes them ideal for high-frequency applications where energy loss must be minimized. 3. **Voltage Handling:** * With a 500V rating, this part is suitable for vacuum tube circuits, power amplifiers, and high-voltage transmitters. 4. **Temperature Coefficient:** * They feature a very low and predictable temperature coefficient (typically 0 to +70 ppm/°C), ensuring the circuit remains in tune despite heat fluctuations. --- ### ### Typical Applications Because of its 150pF value and high stability, the **DM10FD151JO3-RHR02** is commonly found in: * **RF Oscillators:** Maintaining frequency stability in radio transmitters. * **Filter Networks:** Used in band-pass or low-pass filters where precise cutoff frequencies are required. * **Snubber Circuits:** Handling high-speed voltage spikes in power electronics. * **Audio Equipment:** Sometimes used in high-end audio crossovers or tube amp tone stacks due to their "clean" signal characteristics. --- ### ### Comparison: Mica vs. Ceramic (C0G/NP0) | Feature | Silver Mica (DM10) | Ceramic (C0G/NP0) | | :--- | :--- | :--- | | **Stability** | Exceptional | Very High | | **Voltage Range** | High (Up to 1000V+) | Limited in small sizes | | **Size** | Larger/Bulky | Very Small (SMD) | | **Cost** | Expensive | Low |