The MCR100JZHJ3R9 is a chip resistor with a resistance value of 3.9 Ohms ±5% and a power rating of 1W manufactured by ROHM. It features a 2512 (6432 Metric) Automotive AEC-Q200 Thick Film Package, making it a suitable choice for automotive electrical applications. The resistor is designed to provide high precision, excellent stability, and high reliability in combination with its automotive grade quality. It is made using the thick film process with a Ni barrier layer which helps improve the temperature stability. The electrical characteristics of the MCR100JZHJ3R9 include a maximum working voltage of 100V and a maximum operating temperature of 155°C. The resistor is RoHS compliant, UL Recognized, and CSA Rated, making it an excellent option for industrial usage.