TT ELECTRONICS / WELWYN WH Series Wirewound Resistor - 7W

The TT ELECTRONICS / WELWYN WH Series resistor is a high-performance, panel-mounted wirewound component designed for demanding electrical applications. Engineered for stability and durability, it offers a robust solution for circuits requiring precise resistance handling under significant power loads.

Constructed using advanced wirewound technology, this resistor provides excellent thermal performance and reliable operation across a wide temperature spectrum. Its axial leaded terminals facilitate secure and straightforward panel mounting, ensuring a stable electrical connection in various assembly configurations.

Key Features & Performance

With a substantial power rating of 50 watts, this resistor is capable of managing high-power dissipation, making it suitable for power supplies, motor controls, and industrial equipment. The resistance value of 1 ohm with a tolerance of ±5% ensures consistent and predictable performance in circuit design.

The component operates reliably in extreme environments, with a functional temperature range from -55°C to +275°C. This wide operating window, combined with a low temperature coefficient of ±50ppm/°C, guarantees minimal resistance drift and stable performance despite fluctuating ambient conditions.

Construction & Safety

Built to withstand high voltages, it boasts a voltage rating of 1.25kV, enhancing its suitability for applications involving higher potential differences. The robust construction and quality materials contribute to its long service life and reliability in critical circuits.

Ideal for engineers and technicians, the TT ELECTRONICS / WELWYN WH Series resistor is a trusted choice for prototyping, repair, and integration into new designs where power handling and environmental resilience are paramount.

Variant Details

• Size: 7W