
TT Electronics/Welwyn 0.25W 21KΩ metal film resistor with ±0.1% tolerance & ±15ppm/°C coefficient. For precision circuits.
The TT Electronics / Welwyn RC Series Metal Film Resistor is a precision electronic component designed for applications requiring high stability and tight tolerances. Built using advanced metal film technology, it offers excellent long-term reliability and consistent performance across a wide temperature range. This resistor is an essential part of circuits where accuracy is non-negotiable.
With a low temperature coefficient of ±15ppm/°C, its resistance value remains exceptionally stable despite fluctuations in ambient temperature. The high precision tolerance of ±0.1% ensures your circuit performs exactly as designed, making it ideal for sensitive measurement equipment, precision analogue circuits, and calibration devices.
Housed in a robust axial leaded package, it is easy to install on printed circuit boards (PCBs) using traditional through-hole mounting techniques. The component is rated for a power dissipation of 0.25 watts (250mW) and can withstand voltages up to 200V, providing a reliable solution for a variety of low to medium power applications.
Its operational reliability is proven across an extensive temperature range from -55°C to +155°C, ensuring functionality in demanding environments. Manufactured to high-quality standards, this resistor from the renowned RC Series is a trusted choice for engineers and hobbyists seeking dependable precision in their electronic projects.
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