VISHAY Surface Mount MELF Resistor, 1kΩ, 0.25W, MMA Series, Metal Film, ±0.1%

The VISHAY MMA Series Surface Mount MELF Resistor is a high-precision 1kΩ, 0.25W component, engineered with a thin metal film element for applications demanding exceptional reliability and stability in modern professional electronics. Its robust construction makes it the ideal choice for critical circuits where long-term performance is paramount. The encapsulation is specifically designed to withstand exposure to all common electronic cleaning solvents, including alcohols, esters, and aqueous solutions, ensuring integrity throughout the assembly and maintenance processes.

This resistor is fully compliant with lead-free manufacturing requirements, featuring a pure tin plating that is compatible with lead-free soldering processes. Extensive testing has proven the plating's immunity against tin whisker growth, a key factor in preventing short circuits and ensuring long-term reliability. The component reflects an outstanding level of proven performance, offering excellent overall stability that exceeds class 0.25 standards. Furthermore, its sulphur resistance has been verified according to ASTM B 809, protecting it from corrosion in harsh industrial environments.

With a precise resistance tolerance of ±0.1% and a low temperature coefficient of ±15ppm/°C, it provides consistent electrical characteristics across a wide operating temperature range from -55°C to 85°C. Housed in a MiniMELF 0204 package, it is AEC-Q200 qualified, making it suitable for automotive and other high-reliability applications. This resistor combines precision engineering with robust environmental protection for dependable performance in demanding electronic designs.