【STMicroelectronics】ST3243ECDR,IC TRANSCEIVER 5.5V RS232 28TSSO
【STMicroelectronics】ST3243ECPR,IC TXRX RS232 400KBPS 28-SSOP
【STMicroelectronics】ST3243ECTR,缓冲器和线路驱动器 Transcvr 3Drvr/5Rcvr
【STMicroelectronics】ST3243ECTR-E,TXRX RS232 400KBPS 28-TSSOP
ST3-24B17,TRANSFORMER 115V 24V 0.1A
ST3250312AS,
ST-3-28,XFRMR PWR 115V 14VAC .17A
ST3-28B21,TRANSFORMER 115V 28V 0.085A