FK238

TWO-TONE DOORBELL

The digitized Ding-Dong sound of the FK238 is held permanently in a masked Read Only Memory (ROM) on a microchip carrier inserted into the project's PCB. A transistor output amplifier drives the supplied 8 Ohm 0.25W for a demanding sound suitable for household and shop applications.

Technical Specification

  • Power Supply : 3VDC @ 60mA max. @ 3VDC
  • Dimensions : 0.99" x 1.06" x 0.6" (plus speaker: 25.4mm x 27mm x 15mm)
  • Recommended Housing : FB17