## Component Overview: DM19DC100JO3-SA-R02 The **DM19DC100JO3-SA-R02** is a specific part number for a **Mica Capacitor**, typically manufactured by CDE (Cornell Dubilier Electronics). These capacitors are renowned for their high precision, stability, and reliability in RF (Radio Frequency) and high-voltage applications. --- ### Technical Specifications The following table breaks down the electronic characteristics based on the standard nomenclature for the DM series: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Capacitance** | 10 pF | The energy storage capacity (100 = 10 x 10^0). | | **Tolerance** | ±5% (J) | The allowable variance from the nominal capacitance. | | **Voltage Rating** | 300V to 500V DC | Typically rated for high-voltage DC environments. | | **Material** | Silver Mica | Provides excellent temperature stability. | | **Case Size** | DM19 | Standardized physical dimensions for high-current handling. | | **Termination** | Standard Lead | Through-hole mounting (often dipped in epoxy). | --- ### Key Features 1. **High Stability:** Silver mica capacitors exhibit very low drift over time and minimal change in capacitance regardless of voltage or temperature fluctuations. 2. **Low Loss (High Q):** They have a high Quality Factor (Q), making them ideal for tuned circuits and high-frequency filtering. 3. **Temperature Coefficient:** They typically offer a very tight temperature coefficient, ensuring performance remains consistent in extreme environments. 4. **Durability:** The "SA-R02" suffix often refers to specific RoHS compliance or specialized packaging (like Ammo Pack or Tape & Reel) and environmental sealing. --- ### Common Applications * **RF Oscillators:** Used to maintain frequency stability. * **Transmitters:** High-power radio frequency equipment. * **Tuned Circuits:** Where precise capacitance values are critical for resonance. * **Pulse Circuits:** Handling high-speed voltage spikes without degradation. --- ### Equivalent Component Identification If searching for a datasheet, look for the **CDE (Cornell Dubilier) Standard Dipped Silver Mica** catalog. The "DM19" designation is the physical size, while "DC100" indicates the 10pF value.