Número da peça	Fabricante / Marca	Descrição breve
SM15T18ATR	STMicroelectronics	SM15T18ATR STM IC ORIGINAL
SM15T18AY	STMicroelectronics	TVS DIODE 15.3V 32.5V SMC
SM15T18CA	STMicroelectronics	TVS DIODE 15.3V 32.5V SMC
SM15T18CAY	STMicroelectronics	TVS DIODE 15.3V 32.5V SMC