KOA Speer Electronics, Inc. Chip Resistor - Surface Mount RN73H1ETTP3970C50

The RN73H1ETTP3970C50 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 397 ohms with a tolerance of ±0.25%. The resistor has a power rating of 0.063W at a rated ambient temperature of 85°C and can operate within a temperature range of -55°C to +155°C. This component is characterized by its low current noise and high stability, making it suitable for precision applications. It is AEC-Q200 tested, ensuring compliance with automotive standards. The resistor also offers improved moisture resistance due to a glass passivation layer and is verified for sulfur resistance according to ASTM B 809-95. The product meets EU RoHS requirements, making it environmentally compliant. Engineers considering this resistor should note its long-term reliability, with a OîR of ±0.1% after 3,000 hours at 85°C, and its ability to withstand various environmental stresses, including solder heat and rapid temperature changes.