Sealed Keyboards Using Snap Domes

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Operating Temperature-20oC to + 65oC.
Key Travel380 microns.
PlatingGold Over Nickel; Bright Acid Tin.
Humidity95% RH at 40oC.
Supply TypeManufacturer, Exporter, Supplier, Retailer
Preferred Buyer Location All over the world

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Company Information

Solar Biotronic Laboratories Private Limited

Prabhat Road, Pune, Maharashtra

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Member Since 14 Years
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BaseGlass Epoxy PCB FR4 Grade in thicknesses ranging from
Operating Temperature-20oC to + 65oC.
Contact BounceLess than 10 milliseconds at make & 20 milliseconds at break.
AdhesivesIndustrial Grade from 3M.
PlatingGold Over Nickel; Bright Acid Tin.
Contact ResistanceCompatible with MOS, TTL & DTL Circuits.
Contact ArrangementSPST, Normally Open.
OverlaysDifferent types of Polyesters from Autotype
ranging from0.4 mm to 3.2 mm.
Operating Pressure180-280 gram force.
Life ExpectancyOne million to 3 million operations per switch.
Humidity95% RH at 40oC.
Key Travel380 microns.
Current/Voltage Rating10 mA at 24 VDC (Max) in to resistive load only

These Keyboards comprise of a snap dome switch and a gold plated glass epoxy PCB for base and circuit. Snap Dome Switches (Special SS Alloys) are mounted and sealed on a gold plated PCB to conduct the signals in the keyboard circuit. The switch contacts can be terminated on any type of solderable connector which can be then interfaced with the controller. This entire assembly is then covered by a polyester overlay using industrial grade adhesives.

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