【Taiwan Semiconductor】TS2418CD,电话振铃器 Telephone Ringer w/ Bridge Diode
【Taiwan Semiconductor】TS2418CD C3,
TS-2420F,
TS-2420P,
TS2421,RELAY TIME DELAY 3SEC
TS2422,RELAY TIME DELAY 60SEC
TS2423,RELAY TIME DELAY 180SEC
TS2424,RELAY TIME DELAY 600SEC
