Eaton Bussmann® series PTSLR resettable fuses are polymeric positive temperature coefficient (PTC) resettable overcurrent and overtemperature protection devices. These surface mount resettable PTCs offer ultra-low resistance and fast time-to-trip features. PTSLR fuses are available in 0603, 0805, 1206, 1210, and 1812 industry sizes, with Hold current ratings between 0.5 A to 7.5 A and can interrupt fault currents up to 50 A at maximum rated voltage The PTSLR family is RoHS compliant, halogen free and lead free product.

The PTSLR surface-mount fuses provide overcurrent and overtemperature protection for applications like rechargeable battery packs, USB ports, and small DC motors.