Membrane switch,keyboard membrane switch,membrane switch panel:
A.membrane keypad for digital scale Specifiactions:
Circuit rating | <35V DC, 100mA, 1W |
Resist pressure | 1,500V DC |
Contact resistance | <100 to 500 Ohms |
Open circuit resistance | >100m Ohms, 250V DC |
Operating temperature | -20 to + 80 degrees Celsius |
Storage temperature | -40 to + 90 degrees Celsius |
Life expectancy | >1,000,000 cycles |
Switch stroke | 0.1 to 1.0mm |
Contact bounce | <5ms |
Actuation force | 50 to 400g |
Operating humidity | up to 98% RH |
Absolute altitude | 0 to 4,500m |
B,Membrane keypad Design Options:
- Tactile response: Metal dome, polydome or flat membrane
- Embossing: Rim, Pillow, Logo + options for disabled use
- Colours: All requirements can be met using Pantone references
- Illumination: Encapsulated LEDs , Electro-luminesense (requires additional inverter)
- Windows: Clear, Smoked, diffused.
- Tail pitch: Standard 2.54mm, narrower pitch avaliable with suitable connection method.
C,Technical Index:
1.Working Voltage:≤50VDC 2.Working Current:≤100mA
3.Contact Resistance:0.5-10Ω 4.Circuit Resistance:50Ω
5.Switch power:0.25-500mW 6.Insulation Resistance:≥30MΩ
7.lifecycle:1mil. 8.Press force:340g
9.Bounce time:≤10ms 10Tail foldable:≤180°
D,Certification:
We have past the ISO and ROHS certification and the quality comes first.
E, Lead-time:
Soon as the sample is confirmed , we will can send the mass production within 7 -- 15 working days