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Membrane Keypad Switch for NHT 3D Meters

ATTENDENCE MACHINE, membrane keypad switch, foil keyboard, foil switch,membrane switch, membrane keypad,membrane control panel

led foil keyboard,led foil keypad, foil switch,membrane switch,keypad switch membrane,membrane keypad,membrane keyboard, membrane control peanel

Application:  NHT 3D Meter  led foil keyboard,led foil keypad, foil switch,membrane switch,keypad switch membrane,membrane keypad,membrane keyboard

 

ATTENDENCE MACHINE, membrane keypad switch, foil keyboard, foil switch,membrane switch, membrane keypad,membrane control panel

Details led foil keyboard,led foil keypad, foil switch,membrane switch,keypad switch membrane,membrane keypad,membrane keyboard, membrane control peanel

metal dome tactile membrane switch , led membrane switch, membrane keypad, membrane keyboard

Specification: led foil keyboard,led foil keypad, foil switch,membrane switch,keypad switch membrane,membrane keypad,membrane keyboard, membrane control peanel led foil keyboard,led foil keypad, foil switch,membrane switch,keypad switch membrane,membrane keypad,membrane keyboard, membrane control peanelm

Graphic overlay   PET 0.188mm
 Top adhesive   Crown PET adhesive 0.1mm
 Retainer   PET foil 0.10mm
 Metal dome   10mm , 280g
 Spacer   PET adhesive 0.28mm
 Bottom circuit   PET foil 0.125mm
 Rear adhesive   3M 467MP
 LED light   Bule
 Silver past   Acheson Electroda 820B
 Carbon past   Acheson Electroda 423SS
 Insulation Ink   Acheson Electroda 452SS

etal dome tactile membrane switch , led membrane switch, membrane keypad, membrane keyboard

Electrical Performances  metal dome tactile membrane switch , led membrane switch, membrane keypad, membrane keyboard

 Wire Resistance  0.5mm width,  ≤1Ω/cm     Rated Current    25-100mA,0-30V DC
 Insulation Resistance  >100MΩ 250V DC  Working Voltage  <50V DC
 Working Life  >500k times  Working Temperature  -30℃ ~ 70℃
 Working Humidity  40℃, 98%RH  Withstand Voltage  1500V DC
 Feedback Time  10ms  Tail Folding  R>1,180
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