parameter table for membrane switches

15 Nov, 2023

By hqt

ParameterDescriptionTypical Values or Range
Operating VoltageThe voltage at which the switch operates effectively.0-35 V DC
Operating CurrentThe current level for optimal switch performance.5-100 mA
Contact ResistanceResistance offered by the switch when closed.0.5 – 10 Ohms
Insulation ResistanceResistance offered by the switch materials to prevent leakage currents.100 MΩ at 100 V DC
Dielectric StrengthThe maximum voltage the switch can withstand without breakdown.250 Vrms (minimum)
Actuation ForceThe force required to activate the switch.15-500 g
Life ExpectancyThe number of cycles the switch can operate without failure.1 million to 5 million cycles
Operating TemperatureThe range of temperature within which the switch operates reliably.-40°C to +85°C
Storage TemperatureThe range of temperature at which the switch can be stored without damage.-40°C to +85°C
Humidity ResistanceThe level of moisture resistance offered by the switch.Up to 90% RH at 40°C (non-condensing)
Switch BounceThe time duration for stabilization of contact after actuation.<5ms
Actuation TravelThe distance the actuator must travel to close the switch.0.1 to 1.5 mm
Substrate MaterialThe material used for the switch backing.Polyester, Polycarbonate, etc.
Overlay MaterialThe material used for the switch surface.Polyethylene Terephthalate (PET), etc.
Adhesive TypeThe type of adhesive used to bond layers.Pressure-sensitive, heat-activated, etc.

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