BA8206 BA4 : :《》 :BA8206 BA4 ,,BA8206 BA4 。 BA8206 BA4 PTC 、, 。 : BA8206 BA4 1 BA8206 BA4 BA8206 BA4 DIP-18 。 1 BA8206 BA4 , 1 BA8206 BA4 ,BA8206 BA4 : 1 BA8206 BA4 1 2 3 4 5 6 7 8 9 DI OFF TIMER SPEED MODE COM1 COM2 COM3 SWING I/O I I/O I/O I/O I/O O O O I / LED LED LED LED http://www.DataSheet4U.com/ 10 11 12 13 14 15 16 17 18 SHO STRONG MEDIUM LOW VDD BUZ OSC2 OSC1 VSS I/O O O O O O O I - C1 LED C2 LED LED :-0.3V~6V; /:Vss-0.3~VD.