STMICROELECTRONICS
模拟开关, SPDT, 1 放大器, 4 ohm, 1.8V 至 5.5V, SOT-23, 6 引脚
PANASONIC ELECTRIC WORKS
继电器, MOSFET, 100 V, 320 mA, 4R, SPST常开
光电继电器, PHOTOMOS, 100V, 300mA