YouMi PET membrane keyboard AND manufacturer of printed circuit board
YouMi PET membrane keyboard AND manufacturer of printed circuit board Standard specifications:
| Membrane switch technical conditions No | JB/T-5405-91 |
| Circuit rating | 35V(DC),100mA,1W |
| Loop resistance | <200Ω |
| Contact resistance | 10~500Ω(According to the trace length and materials to confirm) |
| Insulation resistance | 100MΩ, 250V(DC) |
| Medium pressure | 250V Rms(50~60Hz 1min) |
| Contact bounce | <5m/s |
| Life expectancy | Flat type> 5 Million times; Tactile type>1 Million times |
| Operating pressure | Flat type: 57~284g(2~10 Oz); Tactile type>170~397g(6~14 Oz) |
| Switch stroke | Flat type: 0.1~0.5mm; Tactile type: 0.6~1.5mm |
Environmental parameters:
Operating temperature: -40℃~+80℃
Storage temperature: -40℃~+85℃
Humidity: 40℃, 90%~95%,240hours
Vibration: 20G’ max, (10~200MHz, Mil-STD-202,M204, Condition B)
Keypad Button Material: PC or PET (special requirements accepted )
Back adhesive: 3M467,3M468 etc.
Thickness: 0.8-1 mm (special requirements accepted )
Tolerance: within +/- 0.2 mm
Printing: screen printing or digital printing
Cable: flexible,custom cable length,tracks pitch etc.
Color: variety color,gradient or solid effect
Special requests: waterproof,UV/chemical resistance , with LED lights etc.
Color: Various colors are available: Pan-tone, CMYK. According to your requirements.