TT Electronics / Welwyn WH Series Wirewound Resistor, 50W, 0.5ohm ±5% - 7W

The TT Electronics / Welwyn WH Series Wirewound Resistor is a high‑power, panel‑mount resistor designed for demanding industrial and electronic applications. Engineered to deliver a 50W power rating with a resistance value of 0.5ohm and a tolerance of ±5%, this component ensures reliable and consistent performance across a wide range of operating conditions.

Constructed with wirewound technology and fitted with axial leads, the resistor provides excellent stability and heat dissipation. It can withstand operating temperatures from -55°C to +275°C, making it suitable for environments that require robust thermal performance. The ±50ppm/°C temperature coefficient guarantees minimal resistance drift, ensuring accuracy in critical circuits.

The resistor is panel mounted, offering a secure and convenient installation option for power supplies, motor drives, and industrial controls. Its compact design—43mm high, 33mm wide, and 15mm deep—allows for efficient space utilisation within equipment enclosures. The component is rated to handle voltages up to 1.25kV, providing high‑voltage capability for specialised applications.

Key Features

• High power rating: 50W continuous power dissipation
• Precision tolerance: ±5% for accurate circuit performance
• Wide operating range: From -55°C to +275°C for harsh environments
• Stable temperature coefficient: ±50ppm/°C ensures minimal drift
• Panel mount design: Simplifies installation and replacement
• Axial lead terminations: Compatible with standard soldering techniques

Applications

This resistor is ideal for use in power supplies, motor controllers, industrial automation, and high‑power audio equipment. Its robust construction and high‑voltage rating make it a dependable choice for engineers seeking a reliable, high‑performance resistor solution

Variant Details

• Size: 7W