The BK250-180-DZ with PTC Resettable Fuses Through Hole RoHS from Yageo is a surface mountable device featuring a resettable fuse, designed for situations where overcurrent protection is needed but a traditional fuse or circuit breaker is not suitable. This PTC (Positive Temperature Coefficient) resettable fuse has circuit protection capabilities up to 180A. The device can handle peak pulse currents up to 250A, and can be used in multiple applications, including automobile, industrial, military, audio/video, and computer/peripheral/accessory applications. It's RoHS compliant and features high reliability and high surge endurance, making it a great choice for protecting electronic components.