LM538-SWH,基本/快动/限制开关 Foot Switch
LM538-SWHO,基本/快动/限制开关 Foot Switch
LM538-SWHOX,基本/快动/限制开关 Foot Switch
LM538-SWN,基本/快动/限制开关 Foot Switch
【LM TECHNOLOGIES】LM540,
【National Semiconductor】LM555CM,IC OSC MONO TIMING 8-SOIC
【National Semiconductor】LM555CM/HALF,
LM555CM/NOPB,计时器和支持产品 Timer
