TT Electronics Welwyn W22 Series Wirewound Resistor 0.12Ω 7W

The TT Electronics Welwyn W22 Series Wirewound Resistor is a high-power, axial-leaded component designed for demanding electronic circuits. With a precise resistance of 0.12Ω (ohm) and a robust 7W power rating, it is engineered to handle significant electrical loads while maintaining stability. The resistor utilises a reliable wirewound construction, offering excellent power dissipation and long-term reliability in a variety of industrial and commercial applications.

Featuring a resistance tolerance of ±5%, this resistor provides consistent performance for precision circuits. It is rated for voltages up to 200V and operates across an exceptionally wide temperature range from -55°C to +350°C, making it suitable for harsh environments. Its low temperature coefficient of ±75ppm/°C ensures minimal resistance drift with temperature changes, contributing to circuit stability.

The component features a classic axial leaded package, facilitating easy through-hole PCB mounting. Its compact dimensions (33mm width, 15mm depth, 43mm height) allow for efficient use of board space. Manufactured by TT Electronics under the renowned Welwyn brand, this resistor is built to exacting standards for professional electronic design and repair work.

This resistor is an ideal choice for applications including power supplies, motor controls, current sensing, load testing, and as a dummy load or braking resistor. Its durable construction and high-temperature capability make it a reliable component in power conversion, industrial automation, and automotive systems.