HT2418
2022/3/25 17:33:44
詳細(xì)介紹
Vcc=26 V
Icc max=1.8 mA
Activation voltage 12.2...13 V
Sustaining voltage 8.0...8.8 V
Internal Zener diodes to protect against over voltages
High noise immunity due to built-in voltage-current
hysteresis
Ringer impedance adjustable with external components
Output F1=2100...2550 Hz
F2=1500...1850 Hz