TT ELECTRONICS / WELWYN Wirewound Resistor, 5%, 12Ω - 7W

The TT ELECTRONICS / WELWYN W21 Series resistor is a high-quality, wirewound power resistor designed for reliable, long-term performance in demanding electrical and electronic applications. Crafted with precision, it provides a stable 12Ω resistance with a tolerance of ±5%, making it a dependable component for current limiting, power dissipation, and voltage division circuits where accuracy is crucial. Its robust axial leaded package ensures easy mounting on printed circuit boards (PCBs) or within point-to-point wiring assemblies.

Engineered to handle substantial power loads, this resistor boasts a 3W power rating and a 100V voltage rating, suitable for a wide range of industrial and commercial uses. The wirewound technology offers excellent stability and low inductance characteristics, contributing to consistent performance even under varying electrical conditions. Its wide operating temperature range from -55°C to +350°C ensures functionality in harsh environments, from freezing cold to extreme heat, without degradation.

Key Features & Benefits:

• Stable Resistance: Delivers a precise 12Ω value with a ±5% tolerance for circuit accuracy.
• High Power Handling: Rated for 3W power dissipation, ideal for applications requiring robust components.
• Wide Temperature Range: Operates reliably in temperatures from -55°C to +350°C.
• Durable Construction: The wirewound design within an axial leaded case provides mechanical strength and thermal performance.
• Low Temperature Coefficient: Features a ±75ppm/°C coefficient, minimising resistance drift with temperature changes.

This component is a versatile and essential part for engineers and technicians building or repairing power supplies, motor controls, heating elements, and other electronic equipment requiring durable, high-power resistors.

Variant Details

• Size: 7W