The **MAH68FCG-R** refers to a high-performance, automotive-grade multi-layer ceramic capacitor (MLCC) manufactured by **Murata Electronics**. This specific component belongs to the GCM series, which is engineered for high reliability in demanding environments. --- ## Technical Specifications The following table highlights the core electronic characteristics of the MAH68FCG-R: | Parameter | Specification | | :--- | :--- | | **Capacitance** | 6.8 pF (picofarads) | | **Tolerance** | ±0.25 pF | | **Rated Voltage** | 50 VDC | | **Temperature Coefficient** | C0G (NP0) | | **Operating Temp Range** | -55°C to +125°C | | **Package Size (EIA)** | 0603 (1608 Metric) | | **Termination** | Standard Tin (Sn) plating | --- ## Key Electronic Features ### 1. Temperature Stability (C0G/NP0 Dielectric) The "CG" in the part number signifies the **C0G (NP0)** temperature characteristic. Unlike other dielectrics (like X7R), C0G is ultra-stable: * **Zero Drift:** The capacitance does not change significantly with temperature variations. * **Low Loss:** It exhibits extremely low dissipation factors, making it ideal for high-frequency applications. ### 2. Automotive Grade (AEC-Q200) As part of the Murata GCM line, this part is **AEC-Q200 compliant**. This means it is tested for: * Mechanical stress and vibration. * Thermal shock resistance. * High-humidity longevity. ### 3. Precision Tolerance With a tolerance of **±0.25 pF**, this capacitor is intended for precision circuits where minor fluctuations could cause signal degradation or timing errors. --- ## Common Applications Given its high stability and low capacitance value, the MAH68FCG-R is typically found in: * **RF Matching Networks:** Tuning circuits in automotive wireless communication (Bluetooth, GPS). * **High-Frequency Filtering:** Removing noise from high-speed data lines. * **Oscillator Circuits:** Providing stable timing for microcontrollers in Engine Control Units (ECUs). * **ADAS Modules:** Used in Advanced Driver Assistance Systems where reliability is critical. --- ## Part Number Breakdown (Murata Logic) To understand the electronic properties through the code: * **MAH:** Specific series identifier (often related to specialized automotive/high-Q lines). * **68:** Capacitance digits (6.8). * **F:** Capacitance tolerance code. * **C:** Voltage code (50V). * **G:** Dielectric code (C0G). * **R:** Packaging/Revision code (usually Tape & Reel).