Vishay Intertechnology, Inc. Chassis Mount Resistors RER60FR121RC02

The RER60FR121RC02 is a chassis mount wirewound resistor from Lingto Electronic Limited, designed for military applications and qualified to MIL-PRF-39009 standards. It features an aluminum heat sink housing and molded construction for environmental protection. This resistor has a power rating of 5 watts at 25 ¬8C and a resistance value of 0.121 ohms with a tolerance of ¬±1%. The resistor is constructed using a copper-nickel or nickel-chrome alloy element, with a ceramic, steatite, or alumina core, and is encapsulated in silicone. It operates effectively within a temperature range of -55 ¬8C to +250 ¬8C. The RER60 model is designed to utilize the heat-sink effect when mounted on a chassis, enhancing its thermal management capabilities. Additional specifications include a maximum working voltage determined by the formula (P x R)^{1/2}, and it meets stringent performance criteria for low temperature operation, short time overload, and moisture resistance. This product is suitable for applications requiring high reliability and durability in challenging environments.