This part is a kind of semiconductor called TMG1C80A.

Function of this product has TRIAC.

Manufacturers : SanRex Corporation

Image and pinout :

Some of the text within the PDF file :

TRIAC( Surface Mount Device / Non-isolated) TMG1C80A Triac TMG1C80A 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 T1C8A 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 Ta 38 One cycle, 50 [ ... ]

TMG1C80A PDF Datasheet Download