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Silver paste line
Product Details
Membrane key switch (Standard Specification)
Electronic propertiesWorking voltage:≤50V(DC)Working current:≤100mA
Contact resistance:0.5~10ΩInsulation resistance:≥100MΩ(100V/DC)
Substrate pressure resistance:2kV(DC)Rebound time:≤6ms
Loop resistance: 50 Ω, 150 Ω, 350 Ω, or determined according to the user's needs.Insulation ink withstand voltage:100V/DC
mechanical propertiesReliability service life:>One million timesClosure displacement: 0.1 ~ 0.4mm (tactile type) 0.4 ~ 1.0mm (tactile type)
Working force: 15 ~ 750gMigration of conductive silver paste: at 55 ℃, temperature 90%, after 56 hours, it is 10m Ω / 50VDC between two wires
There is no oxidation and impurity on the silver paste lineThe line width of silver paste is greater than or equal to 0.3mm, the minimum interval is 0.3mm, the rough edge of line is less than 1 / 3, and the line gap is less than 1 / 4
Pin spacing standard 2.54 2.50 1.27 1.25mmThe bending resistance of outgoing line is 80 times with d = 10 mm steel rod.
Environmental parametersOperating temperature:-20℃~+70℃Storage temperature: - 40 ℃ ~ + 85 ℃, 95% ± 5%
Atmospheric pressure:86~106KPa 
Printing indexThe printing size deviation is ± 0.10 mm, the outline side line is not clear, and the weaving error is ± 0.1 mmThe chromatic deviation is ± 0.11mm/100mm, and the silver paste line is completely covered by the insulating ink
No ink scattered, no incomplete handwritingThe color difference is not more than two levels
There shall be no crease or paint peelingThe transparent window shall be transparent and clean, with uniform color, without scratches, pinholes and impurities.
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