This part is a kind of semiconductor called TMG1C80.
Function of this product has TRIAC.
Manufacturers : SanRex Corporation
Image and pinout :

Some of the text within the PDF file :
TRIAC( Through Hole) TMG1C80 Triac TMG1C80 is designed for full wave AC control applications. It can be used as an ON/OFF function or for phase control operation. Typical Applications ( Sensitive Gate) Home Appliances : Washing Machines, Vacuum Cleaners, Rice Cookers, Micro Wave Ovens, Hair Dryers, other control applications Industrial Use : SMPS, Copier Machines, Motor Controls, Dimmer, SSR, Heater Controls, Vending Machines, other control applications Features IT(RMS)=1A High Surge Current Lead-Free Package Identifying Code T1C8 Unit mm Maximum Ratings Symbol VDRM IT RMS Tj=25 unless otherwise specified Item Repetitive Peak Off-State Voltage R.M.S. On-State Current Surge On-State Current I t for fusing 2 Reference Tc 58 One cycle, 50Hz/60Hz, Peak value non-re [ ... ]
TMG1C80 PDF Datasheet Download
