The mSMD050-15V with PTC Resettable Fuses 1812 RoHS, manufactured by TECHFUSE, is a Surface Mount Resettable Fuse that provides overcurrent protection for a wide variety of applications. It is a self-resetting, low-resistance, polymeric Positive Temperature Coefficient (PTC) device. The fuse is RoHS compliant, and has an operating temperature between -40°C and 85°C. The fuse is rated at 15 volts and 50 amps, and is a good choice for protecting a variety of circuit components. It is a small, light-weight, surface-mount device with no external components required, making it great for space-constrained applications such as medical devices and wearables.