TT Electronics Welwyn W21 Wirewound Resistor 3W 0.2Ω Axial Leaded

The TT Electronics / Welwyn W21 series wirewound resistor is a high-performance, axial leaded component designed for demanding applications. With a resistance of 0.2Ω and a power rating of 3W, this resistor delivers reliable performance in a compact, through-hole package. It features a wirewound technology, ensuring excellent stability and accuracy, and a resistance tolerance of ±5% to suit general-purpose circuit designs. The resistor is rated for a maximum working voltage of 100V and a temperature coefficient of ±75ppm/°C, making it suitable for a range of electronic and industrial applications.

This W21 series resistor operates across an extended temperature range from -55°C to +350°C, providing durability and consistent performance in harsh environments. The component is RoHS compliant and free from substances of very high concern (SVHC), ensuring environmental safety and regulatory compliance. With its axial lead design, the resistor is easy to mount on printed circuit boards, offering straightforward integration into through-hole assemblies.

Features

• Resistance: 0.2Ω
• Power Rating: 3W
• Tolerance: ±5%
• Temperature Coefficient: ±75ppm/°C
• Operating Temperature Range: -55°C to +350°C

Product Dimensions

• Height: 43mm
• Width: 33mm
• Depth: 15mm
• Weight: 1g

This resistor is ideal for power supplies, motor controls, and test equipment where stable and reliable operation is crucial. The W21 series is designed for long-term durability, making it a trusted choice for engineers and technicians.