KOA Speer Electronics, Inc. Chip Resistor - Surface Mount RN73H2ATTD5423C50

The RN73H2ATTD5423C50 is a surface mount chip resistor from Lingto Electronic Limited, designed for high reliability applications, particularly in automotive environments. It features a resistance value of 542 kΩ with a tolerance of ±0.25%. The resistor has a power rating of 0.25W at a rated ambient temperature of 85°C and can operate within a temperature range of -55°C to +155°C. This component is constructed with a thin metal film, providing low current noise and high stability at elevated temperatures. It is also designed to withstand moisture and has been verified for sulfur resistance according to ASTM B 809-95. The RN73H series is AEC-Q200 tested, ensuring compliance with automotive standards. The resistor meets EU RoHS requirements, making it suitable for environmentally conscious designs. Engineers considering this resistor should note its endurance characteristics, including a OîR of ±0.1% after 3000 hours at 85°C, which indicates its long-term reliability. The RN73H2ATTD5423C50 is packaged in a standard 0805 size, making it compatible with various PCB layouts.