Part Pin to Pin Compatibility Function Features Package PDF
IL2418N KA2418

Two-Tone Telephone Ringer with Diode Bridge

  • 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…2550Hz
               F2=1500…1850Hz

DIP-8

IL2418D KA2418

Two-Tone Telephone Ringer with Diode Bridge

  •  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…2550Hz
               F2=1500…1850Hz

SO-8