The **GRM552B11H102KA01D** is a specific part number for a Multi-Layer Ceramic Capacitor (MLCC) manufactured by **Murata Electronics**. This component is part of their "GRM" series, which consists of general-purpose ceramic capacitors. --- ### 1. Component Specifications Below is a breakdown of the technical characteristics of this specific capacitor: | Feature | Specification | | :--- | :--- | | **Capacitance** | 1,000 pF (1.0 nF) | | **Tolerance** | ±10% (K) | | **Rated Voltage** | 50 Vdc | | **Temperature Coefficient** | B (JIS) / X7R (EIA Equivalent) | | **Case Size (Inch)** | 2220 | | **Case Size (Metric)** | 5750 | | **Dimensions (L x W)** | 5.7mm x 5.0mm | | **Thickness** | 2.0mm | | **Mounting Type** | Surface Mount (SMD/SMT) | --- ### 2. Part Number Decoder Murata part numbers follow a strict alphanumeric code. Here is how this specific part breaks down: 1. **GRM**: Series (General Purpose Tin-Plated Terminations). 2. **55**: Dimensions (5.7mm x 5.0mm). 3. **2**: Thickness (2.0mm). 4. **B1**: Temperature Characteristics (B/X7R). 5. **1H**: Rated Voltage (1H = 50 Volts). 6. **102**: Capacitance Code (10 followed by 2 zeros = 1,000pF). 7. **K**: Capacitance Tolerance (±10%). 8. **A01**: Individual Specification Code. 9. **D**: Packaging (ø180mm Paper/Plastic Taping). --- ### 3. Key Applications Because this is a high-reliability ceramic capacitor in a relatively large package (2220 size), it is typically used for: * **Decoupling/Bypassing:** Removing noise from power supply lines. * **Filtering:** Used in circuits to block specific frequencies or smooth signals. * **Industrial Electronics:** High-durability environments where a larger footprint helps with thermal dissipation or mechanical stability. * **DC-DC Converters:** Managing voltage ripple in power conversion modules. --- ### 4. Physical Characteristics As an MLCC, it consists of a "sandwich" of ceramic dielectric layers and metal electrodes. * **Terminations:** Usually finished with a Tin (Sn) plating over a Nickel (Ni) barrier to ensure good solderability and prevent leaching during the assembly process. * **Dielectric:** The "B/X7R" characteristic means the capacitance is relatively stable over a temperature range of -55°C to +125°C.