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Power-Tech Keyboard Switch Co., Ltd.





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Item Number.:
Membrane Keyboard Switch
Description:
MEMBRANE SWITCH, KEYBOARD PANEL, CIRCUIT PANEL, GRAPHIC OVERLAY, NAME PLATE.
FLAT TYPE, TACTILE/NON TACTILE, EMBOSSED/DEBOSSED, METAL/MYLAR DOMES, SMD LEDS.
Specification:
POLYESTER DOME:
LIFE EXPECTANCY : up to 1 million
TACTILE FORCE : 100 to 350/Grs.
STORAGE TEMPERATURE : -40oC to 85oC
OPERATING TEMPERATURE : -25oC to 65oC
DOME DIMENSION : 4 to 12
MINI DISTANCE BETWEEN KEYS : 8mm
METEL DOME:
LIFE EXPECTANCY : 0.5 to 5million
TACTILE FORCE : 150 to 350/Grs.
STORAGE TEMPERATURE : -40oC to 85oC
OPERATING TEMPERATURE : -25oC to 70oC
DOME DIMENSION : 6 to 15
MINI DISTANCE BETWEEN KEYS : 10mm
INSULATION RESISTANCE : 10MEG OHMS MIN.
INSULATING VALTAGE : 10 - 15kv
OPERATING CURRENT : MAX. 25mA
OPERATING VOLTAGE : MAX. 25V
CIRCUIT RESISTANCE : 100 Ohms
CONTACT BOUNCE : 30 MILLISECONDS TYPICAL
OVERLAY MATERIALS:
IPOLYCARMONATE : 0.1mm to 0.25mm
POLYESTER : 0.1mm to 0.2mm
OVERLAY MATERIALS:
POLYESTER : 0.075mm TO 0.175mm
POLYIMIDE : 0.025mm to 0.125mm
FR4 : 0.3mm to 2.4mm

PRINTING MATERIALS AND ELECTRICAL COMPONENTS:


POLYCARBONATE : GE-LEXAN, BAYER, MAKROFOL, BAYFOL.
POLYESTER : ICI-MELINEX, AUTOTYPE.
SILVER/CARBON : ACHESON, DUPONT, JOHNSON MATTHEY
UV-INSULATION : ACHESON, DUPONT, FUJI-KURANKASEI.
CONNECTORS : NICOMATIC, BERG WITH PITCH OF: 1.0mm, 1.25mm, 2.54mm.
LED : HP, ROHM, SIEMENS, CITHIZEN, TOSHIBA.
ADHESIVE : 3M/467, 3M/468.
METAL DOME
: NICOMATIC. = 4 LEGS -TYPE:6, 8, 10, 12, 16, 20.
ROUND TYPE:5, 5.6, 6, 6.8, 8.8, 12.7, 16
PRINTING INK : MARABU, JUJO, PRINTCOLOR.


TYPE OF COMPOSITION:

 
 
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