The A30-800 with PTC Resettable Fuses Through Hole RoHS manufactured by JDT is a surface mounted resettable fuse that is RoHS compliant. This fuse has a voltage rating of up to 30V and is designed to protect circuits from over-current and short circuits. This device is a solid state device with no external fuse element and it provides a constant current associated with its resistance, regardless of the applied voltage. The A30-800 comes with a low-temperature coefficient that enhances the reliability of the device, even in extreme temperatures. This high-performance device is designed for high operating temperature applications, making it a great choice for industrial, automotive, telecom, consumer, and other applications.