PVG5A500C03R00 Trimmer Potentiometer - High-Precision 50 Ohm Surface Mount Resistor by Bourns Inc.
PVG5A500C03R00 Trimmer Potentiometer: Bourns' Precision 50 Surface-Mount Solution
The PVG5A500C03R00 from Bourns Inc. represents the gold standard in trimmer potentiometers, combining exceptional precision with rugged reliability. As engineers increasingly demand compact yet high-performance components for modern electronics, this 50 cermet trimmer stands out with its 11-turn adjustment and surface-mount design.
In-Depth Technical Specifications
Core Electrical Characteristics
- Precision Resistance: 50 10% tolerance
- Power Handling: 0.25W (1/4W) at 70 C
- Temperature Stability: 150ppm/ C coefficient
- Rotation Life: 200 cycles minimum
Mechanical Design Features
- Compact Dimensions: 4.80mm 3.50mm 4.20mm (L W H)
- Mounting Style: Surface-mount (SMD) with J-lead termination
- Adjustment Type: Top-access screw with 11-turn precision
- Resistive Element: High-stability cermet material
Why Engineers Choose the PVG5A500C03R00
1. Unmatched Precision Adjustment
The 11-turn mechanism provides 0.45 per step resolution, enabling micro-adjustments critical for:
- Calibration of sensitive measurement equipment
- Fine-tuning RF circuits
- Precision voltage division applications
2. Robust Environmental Performance
Tested to withstand:
- Operating temperatures: -55 C to +125 C
- 85 C/85% RH humidity conditions
- Mechanical vibration per MIL-STD-202
3. Space-Efficient SMD Packaging
The J-lead surface-mount design:
- Reduces PCB footprint by 60% vs through-hole models
- Enables automated pick-and-place assembly
- Eliminates manual soldering requirements
Industry-Leading Applications
Telecommunications Equipment
Used in:
- Base station power amplifiers
- Antenna tuning circuits
- Signal conditioning modules
Medical Electronics
Critical for:
- Diagnostic equipment calibration
- Patient monitoring systems
- Imaging device controls
Industrial Automation
Essential in:
- PLC analog input modules
- Motor control feedback circuits
- Process instrumentation
Bourns Quality Assurance
Every PVG5A500C03R00 undergoes:
- 100% electrical testing
- Automated optical inspection
- Compliance with RoHS 2.0 standards
- ISO 9001 certified manufacturing
Technical Comparison
Parameter | PVG5A500C03R00 | Typical Competitor |
---|---|---|
Rotation Life | 200 cycles | 100 cycles |
Temp Coefficient | 150ppm/ C | 250ppm/ C |
Turns | 11 | 5-8 |
Design Considerations
For optimal performance:
- Maintain 0.5mm clearance from adjacent components
- Use solder paste with 63/37 Sn/Pb ratio
- Limit maximum soldering temperature to 260 C
- Apply adjustment screw torque 0.1N m
Ordering Information
Available through authorized distributors:
- Single-unit prototype quantities
- Reel packaging (1,000 units)
- Custom tape-and-reel options
For engineers requiring absolute precision in compact designs, the PVG5A500C03R00 delivers unmatched performance. Contact Bourns today to request samples or technical documentation.