Tone Telephone Ringers

IL2418D

  • Pin to Pin Compatibility: KA2418
  • Function: Two-Tone Telephone Ringer with Diode Bridge
  • Features: <br /> <br />  Vcc=26 V<br /> <br /> <br />  Icc max=1.8 mA<br /> <br /> <br />  Activation voltage   12.2…13 V<br /> <br /> <br />  Sustaining voltage   8.0…8.8 V<br /> <br /> <br />  Internal Zener diodes to protect against over voltages<br /> <br /> <br />  High noise immunity due to built-in voltage-current hysteresis<br /> <br /> <br />  Ringer impedance adjustable with external components<br /> <br /> <br />  Output F1=2100…2550Hz<br />            F2=1500…1850Hz<br /> <br />
  • Package: SO-8

IL2418N

  • Pin to Pin Compatibility: KA2418
  • Function: Two-Tone Telephone Ringer with Diode Bridge
  • Features: <br /> <br /> Vcc=26 V<br /> <br /> <br />  Icc max=1.8 mA<br /> <br /> <br />  Activation voltage   12.2…13 V<br /> <br /> <br />  Sustaining voltage   8.0…8.8 V<br /> <br /> <br />  Internal Zener diodes to protect against over voltages<br /> <br /> <br />  High noise immunity due to built-in voltage-current hysteresis<br /> <br /> <br />  Ringer impedance adjustable with external components<br /> <br /> <br />  Output F1=2100…2550Hz<br />            F2=1500…1850Hz<br /> <br />
  • Package: DIP-8