FK307 BUSY TELEPHONE INDICATOR

$4.80

Out of stock

Description

It can be annoying to have your telephone call interrupted by someone picking up an extension phone and it can be embarrassing to accidentally pick up a line that is engaged. The low cost easy-to-build FK307 circuit has a bright LED that shows clearly when a line is picked up.

Technical Specification

  • Power Supply : 3VDC @ 10mA.
  • PCB Dimensions : 38.35mm x 23.11mm x 15mm     (1.51″ x 0.91″ x 0.6″)
  • Recommended Housing : FB17

Additional information

Weight 0.1 kg
Dimensions 13.5 × 10.5 × 2.5 cm