SMD1210P050TF/30 with PTC Resettable Fuses 1210 RoHS is a polymeric positive temperature coefficient (PPTC) fuse manufactured by Polytronics. This surface mount device (SMD) PTC fuse has an operating temperature range of -20°C to +85°C and is rated at 50 VDC / 0.5 A. It has RoHS compliant tin-plated copper contacts, allowing it to be soldered onto circuit boards. The device offers overcurrent protection with fast, safe, and reliable operation and is designed to trip within milliseconds of an overcurrent event. It is UL/EN recognized.