Product Details

Product Description

Customize Flat Metal Dome Membrane Keyboard With Transparent Window And PCB For Sewing Mahine

Membrane Keyboard Performance

Membrane Switch Keypads Performance
Electrical Performance
Circuit Grade	35V(DC),100mA,1 W
Loop Resistance	10Ω - 500Ω(According the trace length and materials to confirm)
Insulation Resistance	>100MΩ 250V(DC)
Dielectric Resistance	250VRms(50 - 60Hz/1 min)
Contact Chatter Time	≤5ms
Service Life	flat type≥5 million times
Service Life	tactile type:≥1 million times
Mechanical Properties
Operating Force	flat type 57-284g (2-10 Oz)
Operating Force	tactile type 170-397g (6-14 Oz)
Switch Stroke	flat type 0.1 - 0.5mm
Switch Stroke	tactile type 0.6 - 1.5mm
Environmental Parameters
Operating Temperature	-20°C - +80°C
Storage Temperature	-40°C - +85°C
Humidity	40°C,90%-95%,240 hours