U28P3YZQE,拨动开关 UL DPDT ON-NONE-MOM
U28SYZQE,拨动开关 Toggle
U28TCWCQE,拨动开关 Toggle
U28TCWZQE,拨动开关 Toggle
U28TZQI,拨动开关 Toggle
U290,JFET 3 Ohm Switch
U2901A,
U2902,SWITCH HARDWARE