## Technical Overview of PVG3A503C01R00 The **PVG3A503C01R00** is a high-precision, surface-mount (SMD) trimmer potentiometer manufactured by **Murata Electronics**. It belongs to the PVG3 series, which is designed for high-density circuit board applications requiring miniature components and high reliability. --- ### 1. Key Technical Specifications | Parameter | Specification | | :--- | :--- | | **Manufacturer** | Murata Electronics | | **Resistance Value** | 50 kΩ (50,000 Ohms) | | **Resistance Tolerance** | ±20% | | **Power Rating** | 0.25W (1/4 Watt) at 70°C | | **Adjustment Type** | Top Adjustment | | **Number of Turns** | Single Turn (1) | | **Termination Style** | Gull Wing (SMD/SMT) | | **Operating Temperature** | -55°C to +125°C | | **Temperature Coefficient** | ±100ppm/°C | --- ### 2. Physical and Material Characteristics * **Size/Dimension:** It features a ultra-miniature footprint, typically around 3.2mm x 3.4mm. * **Sealing:** This component is **sealed**, meaning it can withstand automated soldering processes and board washing/cleaning without internal contamination. * **Element Material:** It uses a **Cermet** (Ceramic-Metal) resistive element, which provides excellent stability and low noise over time compared to carbon-based potentiometers. --- ### 3. Part Number Breakdown Understanding the Murata nomenclature for this specific part: | Code Segment | Meaning | | :--- | :--- | | **PVG3** | Series Name (3mm Square SMD Trimmer) | | **A** | Terminal Style (Top adjustment, J-hook or Gull-wing) | | **503** | Resistance Code ($50 \times 10^3 = 50,000$ Ohms) | | **C01** | Individual Specification/Design Code | | **R00** | Packaging (Standard Tape and Reel) | --- ### 4. Applications The PVG3A503C01R00 is commonly used in precision electronic circuits for: * **Sensor Calibration:** Fine-tuning the output voltage of a sensor. * **LCD Contrast Control:** Adjusting the bias voltage for small displays. * **Communication Equipment:** Tuning RF stages or signal gain in mobile devices. * **Industrial Instrumentation:** Calibration of measuring tools where space is limited. ---