Flexible Tactile / Soft-touch type Membrane Keyboards.

Hybrid Tactile / Soft-touch type of Membrane Keyboards.

The above keyboards can also be assembled on Base Plates of Aluminium, M.S,
Epoxy etc..and supplied as a complete Front Panel.

Mounting & Termination Methods -

It is necessary to select the correct mounting and termination for the Membrane Keyboard to ensure is proper life and reliable operation.

Flexible keyboards are normally terminated through Female Clincher Connectors or by a Male Solderable Contacts. PCB based keyboards are normally terminated through single row/ double row berg strips, IC sockets, FRC connectors, solderable pads etc..

Various mounting methods viz., Adhesive back, Keyboard mounted on backing plate, sliding type arrangements for keyboards with rigid base, keyboards mounted by screws visible/ invisible from front side etc.. are followed. Even special mounting arrangement to suit a specific need can also be devised.

Operating Temperature -30 to + 65 degrees Celsius

Storage Temperature -40 to + 80 degrees Celsius

Humidity No effect at 95% R.H

Mechanical :

Actuation Force 150 gms to 750 gms.

Life Expectancy up to 20 million operations

Key travel 0.15mm to 0.40mm

Electrical :

Switch Configuration Momentary SPST, normally open

Contact Rating 5 V DC 15 ma Max.

Contact Resistance Circuit dependent. Generally less than

100 Ohms.

Contact Bounce < 10 ms.

Capacitance < 20 pf.

Switch Logic XY matrix / Common Bus/ Special

Some of the applications include, Electronic Weighing Machines, Washing Machines, Process Control Instruments, Plain Paper Copier, Medical Electronic Equipments, Electronic Toys etc..
 

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