Vishay Intertechnology, Inc. Chassis Mount Resistors RER75FR412RC02

The RER75FR412RC02 is a chassis mount wirewound resistor designed for military applications, qualified to MIL-PRF-39009 standards. It features an aluminum heat sink housing and a molded construction that provides total environmental protection. The resistor is constructed with complete welded assembly and non-inductive styles utilizing Ayrton-Perry winding to minimize reactive components. This model has a power rating of 30 watts at 25 ¬8C and a resistance value of 0.412 ohms with a tolerance of ¬±1%. It operates effectively within a temperature range of -55 ¬8C to +250 ¬8C. The resistor is designed to mount on a chassis, leveraging the heat-sink effect for improved thermal management. The RER75FR412RC02 also meets stringent performance criteria, including low temperature operation, short time overload, and moisture resistance, ensuring reliability in demanding environments. Its construction includes a copper-nickel or nickel-chrome alloy element, ceramic core, and aluminum housing with hard anodic coating, making it suitable for various applications requiring high durability and stability.