TT Electronics / Welwyn Resistor, Wirewound 5% 820R - 50W
High-power 50W wirewound resistor, 820Ω ±5%, panel mount. Ideal for industrial and automotive applications.
The TT Electronics / Welwyn Resistor, Wirewound 5% 820R is a high-power, panel-mount wirewound resistor designed for demanding applications where reliability and heat tolerance are essential. With a robust power rating of 50W and a resistance value of 820 ohms, this axial-leaded component ensures stable performance across a wide range of operating conditions.
Engineered with a wirewound technology, this resistor offers excellent accuracy and low noise, making it ideal for use in power supplies, industrial controls, and automotive systems. It features a ±5% resistance tolerance and a ±50ppm/°C temperature coefficient, ensuring consistent performance even when temperatures fluctuate dramatically. The resistor is capable of operating within a wide temperature range from -55°C to 275°C, and it can handle a high voltage rating of 1.25kV, making it suitable for high-voltage circuits.
The component is designed for panel mount installation, providing a secure and durable connection in equipment enclosures. Its compact form factor, measuring 43mm x 33mm x 15mm, allows for efficient use of space on the mounting panel. Whether you are designing power conversion circuits, motor drives, or test equipment, this resistor delivers the precision and durability required for professional applications.
Key Features
- High power rating of 50W for heavy-duty applications
- Wirewound technology for excellent accuracy and low noise
- Wide operating temperature range for versatile use
- High voltage rating of 1.25kV for high-voltage circuits
- Axial leaded terminals for easy soldering
- Panel mount design for secure installation
- No hazardous substances (SVHC-free) as of January 2023
Choose the TT Electronics / Welwyn Resistor for reliable power handling and long-term stability in your electronic designs.
Variant Details
- Size: 50W
- Power supplies
- Industrial controls
- Motor drives
- Test equipment
- Resistance: 820Ω
- Product Range: WH Series
- Resistor Terminals: Axial Leaded
- Power Rating: 50W
- Resistance Tolerance: ±5%
- Voltage Rating: 1.25kV
- Resistor Technology: Wirewound
- Temperature Coefficient: ±50ppm/°C
- Resistor Mounting: Panel Mount
- Operating Temperature Min: -55°C
- Operating Temperature Max: 275°C
- Weight: 30g
- Height: 43mm
- Width: 33mm
- Depth: 15mm
- SVHC: No SVHC (17-Jan-2023)
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