Based on the part number **412R7C**, this component belongs to the **400 series** of high-reliability, ultra-stable ceramic capacitors, typically manufactured by companies like **Murata** or **Murata Power Solutions** (formerly Newport Components). Specifically, this part is an **inductor** or a **capacitor** depending on the specific manufacturer series, but most commonly, it refers to a **High-Q NPO (C0G) Ceramic Capacitor**. --- ## 1. Technical Specifications The alphanumeric code `412R7C` can be broken down to understand its electrical properties: | Feature | Specification | Description | | :--- | :--- | :--- | | **Type** | Ceramic Capacitor | Multilayer Ceramic (MLCC) | | **Capacitance Value** | 2.7 pF | Represented by "2R7" (R acts as a decimal) | | **Tolerance** | ± 0.25 pF | Represented by the suffix "C" | | **Voltage Rating** | 50V - 100V | Standard for this package size | | **Dielectric** | C0G (NP0) | Ultra-stable, zero temperature coefficient | | **Package Size** | 0402 (Metric 1005) | Dimensions: 1.0mm x 0.5mm | --- ## 2. Key Characteristics ### A. Temperature Stability The **NP0 (C0G)** dielectric means that the capacitance value does not change significantly with variations in temperature. This is critical for precision circuits where timing or frequency must remain constant. ### B. High-Q Factor These parts are designed for low loss at high frequencies. A "High-Q" rating indicates low equivalent series resistance (ESR), making them efficient for RF applications. ### C. Precision Tolerance The "C" suffix denotes a tolerance of **±0.25pF**. In very small capacitance values (like 2.7pF), percentage-based tolerances are replaced by absolute value tolerances because the variance is so small. --- ## 3. Common Applications Due to its small size and high stability, the 412R7C is typically found in: * **RF Oscillators:** Maintaining a stable frequency. * **Impedance Matching:** Tuning antennas in mobile devices. * **Filter Networks:** Used in high-pass or low-pass filters for signal processing. * **Telecommunications:** Base station equipment and satellite communication modules. --- ## 4. Equivalent Part Numbers If searching for alternatives, look for these standard manufacturer prefixes: * **Murata:** GJM1555C1H2R7CB01D * **Kemet:** C0402C279C5GACTU * **AVX:** 04025A2R7CAT2A