The 40J2K5E is an RoHS compliant, wirewound resistor from the Ohmite 40 Series, providing 2.5 kΩ of resistance with a power rating of 10 watts. It features an all-welded construction with a conformal silicone-ceramic coating over a ceramic core, ensuring stability under high-temperature conditions. This resistor has a tolerance of ±5%, a temperature coefficient of ±20 ppm/°C, and can withstand an overload of 10 times its rated wattage for 5 seconds. Due to its durable and economical design, it is ideal for a wide range of commercial, industrial, and communications equipment applications.