Contact us: Tel +44 (0)1844 202400 Fax +44 (0)1844 202500  e-mail sales@apem.co.uk 

 

Flexible Membrane Keypads   Membrane keypads carry out switching functions and enhance the final product with a tailored decorative appearance. They can be directly connected to the electronic equipment by a flexible tail termination. They consist of several layers of polyester and adhesive.
The technologies       Without tactile feedback   With tactile feedback by snap dome   With tactile feedback by key embossing   Mechanical specifications   Contact force :2 N +/- 20% Contact travel :0,21 mm +/-15% Type of contact :silver ink Operations :10 000 000   Contact force :2.5 N +/- 20% Contact travel :0,48 mm +/-15% Type of contact : stainless steel dome + silver ink Operations :1 000 000 Snap Dome 6 to 20mm   Contact force :1 to 4 N +/- 30 % Contact travel :0,5 to 1 mm +/-15% Type of contact :silver ink Operations :1 000 000   Climatic specifications   Operating temperature : - 25° to + 65°C Storage temperature : - 30° to + 85°C Front face sealing : IP 65   Operating temperature : - 25° to + 65°C Storage temperature : - 30° to + 85°C Front face sealing : IP 65   Operating temperature : - 25° to + 40°C Storage temperature : - 30° to + 70°C Front face sealing : IP 65   Electrical specifications   Nominal operating voltage : 24 V Maximum operating voltage : 50 V Minimum operating voltage : 1 V Nominal intensity : 30 mA Maximum switchable power : 500 mW Contact circuit resistance : 1 ohm/cm (1 mm track) Dielectric strength : 250 V rms. Insulation resistance at 100 V : > 100 Mohms Maximum contact bounce : < 5 ms Compatible with TTL & CMOS circuits

    Apem Components Ltd
    Drakes Drive, Long Crendon
    Buckinghamshire
    HP18 9BA. U.K
  Tel +44 (0)1844 202400         Fax +44 (0)1844 202500
  Registered in England No 1730676 Registered address as above