Vishay Intertechnology, Inc. Chassis Mount Resistors RER55F7R50MC02

The RER55F7R50MC02 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 a molded construction that provides total environmental protection. The resistor is constructed with complete welded assembly and offers non-inductive styles manufactured using Ayrton-Perry winding to minimize reactive components. This specific model has a power rating of 30 watts at 25 ¬8C and operates within a resistance range of 1 to 4.99 kOc, with a tolerance of ¬±1%. It is suitable for use in a wide operating temperature range from -55 ¬8C to +250 ¬8C. The resistor also meets stringent performance criteria, including low temperature operation, short time overload, and moisture resistance, ensuring reliability in demanding environments. Engineers considering this resistor should note its robust construction and military-grade specifications, making it suitable for applications requiring high reliability and performance.