The BSMD1206-300-6V with PTC Resettable Fuses 1206 RoHS is a 1206-format surface-mount device (SMD) manufactured by BHFUSE. The device is a resettable polymeric positive temperature coefficient (PPTC or PTC) fuse, designed to protect circuits from short-circuits, overcurrent and overvoltage. It features a current rating of 300 mA, a voltage rating of 6 V and a typical resistance of 0.15 Ohm. The device is approved to comply with the RoHS environmental directive, making it safe for use in many electronic applications.