1206L400/12SLWR THERMISTOR PTC RESETTABLE FUSE 1206 4A 12V SMT The 1206L400/12SLWR, manufactured by LITTELFUSE, is a high-performance PTC resettable fuse designed for thermistor ptc resettable fuse 1206 4a 12v smt. It offers reliable overcurrent protection with a maximum voltage rating of 12V. The fuse features a trip time of 2s, ensuring fast response to overcurrent events. Its compact dimensions of 3.20mm x 1.60mm x N/A allow for easy integration into various applications. Operating within a temperature range of -40°C~+85°C, it performs reliably in diverse environments. As a rohs-compliant product, it meets stringent environmental and safety standards. Packaged in tape&reel format, it ensures secure handling and storage. With its robust design and advanced features, the 1206L400/12SLWR is an excellent choice for professionals seeking reliable PTC fuse solutions.