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Features of our small size membrane switch keypad:
1) Size: 35*35 mm
2) Material: the graphic overlay is made of PC (polycarbonate), and the circuit layer is made of PET (polyester)
3) Metal dome embossed keys, good tactile feeling, matte finished surface
4 Rear tape: 3M tape, high bonding self-adhesive tape
5) Water-resistant, dust-proof, gas-proof and scratch-resistant
6) Especially used for electronic measurement instruments, electronic weighing apparatus, home appliances, electronic communication and industry automation system.
7) Payment terms: 100% mould fee, 30% deposit and 70% before shipment by T/T, Western Union or L/C at sight
8) Delivery: samples submitted within 10-15 days, cargos within 10-15 days according to your quantity and lead time, shipped by DHL, Fedex, UPS, TNT, 4PX or by sea
9) Any size, design, logo and shape can be customized at your requirement
10) Small orders accepted, good quality, favorable price and prompt delivery
11) OEM&ODM service offered
If you are interested in it, pls feel free to contact me!
Statement:
1) The material of our membrane switches: the graphic overlay mostly use PC (polycarbonate) or PVC material and the circuit layer commonly use PET (polyester) material
2) Rear adhesive: 3M, Sony, Soken, or any tape you choose
3) Key type: flat key or embossed key, tactile or non-tactile, poly dome or metal dome for your choice
4) Surface treatment: any color can be printed by any type printing ink as required, glossy, semi-glossy or matte finished
5) With or without any pin and connector
6) With or without window, the window can be clear or just a hole
7) LED lights can be installed or not. Also can provide the membrane switches with special requirements, such as Shielding, Windows/Lens Coating, Embossing, Embedded LEDs, UV glossy/matte/textured, etc
8) Standard tolerance:+/-0.010 inch (+/-0.25mm)
9) Suitable for used for home appliances, electronic measurement instruments, electronic weighing apparatus, electronic communication and industry automation system, medical equipments, fitness equipments, machines or any other electronic products you like
Electrical Performance of our membrane switches:
1) Operating Voltage: 0~35 V DC.
2) Operating Current: 100 MA Max.
3) Operating Contact Resistance: Less than 100 OHMS typical
4) Contact Bounce: Less than 5 Milliseconds typical.
5) Conductors: Printed silver conductive inks or carbon blend.
6) RFI and ESD Shielding: Available in most configurations.
Mechanical properties:
1) Life Expectancy: 1,000,000 actuations per switch position
2) Actuation Force: 6~24 ounces (170~680g), Range depending on customer specification.
3) Switch Travel: .005" to .030" (0.1~0.8mm) typical.
4) Overall Thickness: .020" to .050" (0.5~1.3mm) typical.
5) Environmental adaptability:
6) Storage Temperature: -40°C (-40°F) to +70°C (158°F).
7) Storage Altitude: Sea level to 35,000 feet.
8) Operating Temperature and Altitude: -30°C (-30°F) to +75°C (170°F). Can be designed to operate in most environments.
9) Humidity: No delamination after 24 hours at 80°C and 90%RH.
New Small Size Membrane Switch Keypad