부품 번호	제조업체 / 브랜드	간단한 설명
DG4157	VISHAY	Low Voltage 1- Single SPDT Analog Switch 12 Multiplexer with Power Down Protection
DG4157DL-T1-E3	Vishay Siliconix	IC SWITCH SGL SPDT LV SC70-6
DG4157DN-T1-E4	Vishay Siliconix	IC SWITCH SGL SPDT LV 6-MINIQFN
DG4157EDL-T1-GE3	Vishay Siliconix	IC ANALOG SWITCH SC70-6
DG4157EDN-T1-GE4	Vishay Siliconix	IC ANALOG SWITCH 6MINIQFN