品番	メーカー/ブランド	簡単な説明
S281C	VISHAY	S281C original vishay components
S281C(S281P7N)	STMicroelectronics	S281CS281P7N STM IC SOP
S281P6D	SAMSUNG	SAMSUNG orginal components
S281P7N	STMicroelectronics	S281P7N STM IC SOP