The **PV37X503C01B00** is a high-precision electronic component manufactured by **Murata Electronics**. It belongs to the PV37 series of trimming potentiometers (trimpots). --- ### 1. Technical Specifications This part is a multi-turn cermet trimmer designed for fine-tuning resistance in electronic circuits. | Parameter | Specification | | :--- | :--- | | **Manufacturer** | Murata Electronics | | **Part Series** | PV37 | | **Resistance Value** | 50 kΩ (503 code) | | **Resistance Tolerance** | ±10% | | **Power Rating** | 0.25W (1/4 Watt) at 70°C | | **Adjustment Type** | Top Adjustment | | **Number of Turns** | 12 Turns (Leadscrew type) | | **Temperature Coefficient** | ±100ppm/°C | | **Mounting Type** | Through Hole | | **Termination Style** | PC Pins (X-style lead formation) | --- ### 2. Physical Characteristics The "X" in the part number refers to the specific lead configuration, while "503" is the resistance code. * **Dimensions:** Approximately 6.4mm x 6.4mm x 4.8mm. * **Material:** **Cermet** (Ceramic-Metal). This material provides excellent stability and low noise compared to carbon-based potentiometers. * **Sealing:** It is usually sealed to withstand industrial cleaning processes (washable). --- ### 3. Part Number Breakdown Understanding the suffix codes helps in identifying specific variations: 1. **PV37**: Series Name (6mm square, multi-turn). 2. **X**: Terminal shape/arrangement (Top adjustment, staggered pins). 3. **503**: Resistance code ($50 \times 10^3 = 50,000$ Ohms or 50 kΩ). 4. **C01**: Internal manufacturing/designator code. 5. **B00**: Packaging code (Bulk). --- ### 4. Common Applications Due to its 12-turn precision, this component is used in circuits where high accuracy is required: * **Power Supplies:** Calibrating output voltage or current limits. * **Instrumentation:** Adjusting gain and offset in operational amplifiers. * **Sensors:** Fine-tuning the threshold or sensitivity of a sensor module. * **Communication Equipment:** Matching impedance or frequency tuning. ---