Ohmite's 40 Series resistors are a cost-effective solution for applications requiring conformal coating and stability. These wirewound resistors feature a silicone-ceramic coating, providing excellent resistance to thermal shock and environmental factors. Their low temperature coefficients ensure consistent performance across a wide range of operating conditions. Commonly used in commercial, industrial, and communications equipment, the 40 Series offers a reliable and economical choice for various electronic designs. They are RoHS compliant and available in both 1% and 5% tolerance options.