3G INTERNATIONAL

3G Technology3G Technology Inc. is located in Taipei, Taiwan, and with two factories at Guangzhou and Changzhou, China. Guangzhou factory occupies 24,000 sq. meters with more than 200 employees, experienced at membrane switch and touch panel production. And Changzhou Factory occupies 15,000 sq. meters with 180 employees, specialized at FPC production.

Not just owning plenty of experiences on international trading and having good reputation on customer service, we provide high quality electronics with advanced technology and reasonable price. Our experienced R&D engineers have been many years in this field, OEM cases account for 85% of 3G Technology sales, which makes us become an outstanding supplier and designer in the industry. 3G TechnologyWe are very confident to be your strong partner and to meet you high standard requirements, our goal is to create a WIN-WIN scenario for both of us, and to gain the competitive strength in the market.

3G Technology Inc.’s main products are Flexible Printed Circuit Board (FPC or flexible PCB), Graphic Overlay, Membrane Switches, Silicon Rubber Keypads, Resistive and Capacitive Touch Pane and Touch Pens. Our all this product could apply to Information Appliance, Internet Appliance, Remote Controller, Medical Device, Home Appliance, Handheld Device, Industrial Personal Computer 3G Technology(IPC) or Mobile Phone, etc. Besides, our all materials and manufacture procedures not only are in accordance with ROHS, but with many certificates.

3G Technology Inc. offers the fastest quotation in 36 hours and accepts orders from small to large quantities. We also promise to offer the competitive price with the best quality in the shortest lead-time. Customers’ satisfaction is our biggest goal.

3G Technology3G Technology

3G Technology
886-2-2847-4730 #23
1F., No.5, Ln. 99, Guangfu Rd.
Luzhou City, Taipei County 247, Taiwan (R.O.C.)
http://www.3gi.com.tw
sales@3gi.com.tw

Membrane Switch Product Description
Membrane switch is a conductive keypad with unique exterior design. Materials such as TPU, PC and PET are used up to your choice. TPU is a green friendly material which does not cause any damage to human body or the environment. Membrane switches mostly apply to Information Appliance, Internet Appliance, Remote Controller, Medical Device, Home Appliance, Handheld Device, Industrial Personal Computer (IPC), etc.

We offer full range designs for your membrane keyboard switch:
• Flat and all embossed key type with either metal dome or Mylar dome.
• SMT components, LED backlight effect, EL backlight.
• Jumper wire.
• Selective texture such as clear, velvet or colored display window.
• EMI, RFI, or ESD shielding.
• Tail termination, either male or female connectors.
• Waterproof type (IP65).
• Through-hole type.

Standard Specification

Electrical
Maximum Circuit Rating  35V( DC)100mA 1W
Contact Resistance 10~500? (Depending on trace length & material used).
Insulation Resistance 100M ?at 100V DC
Dielectric Withstand 250 V Rms (50~60 Hz 1 min.)
Contact Bounce ?5ms
Life Expectancy Flat type > 5 million closures
. . . . . . . .. . . .. . . .Mylar type > 2 million closures
. . . . . . . .. . . .. . . .Metal type > 1 million closures

Mechanical
Actuation Force Flat type = 60 to 300 g (2 to 10 oz)
. . . . . . . .. . . .. . . .Tactile type = 180 to 400 g (6 to 14 oz)
Switch Stroke .. Flat type = 0.1 to 0.5mm
. . . . . . . .. . . .. . . .Tactile type = 0.6 to 1.5mm

Environmental
Operation Temperature .Flat/Metal dome: -40 °C to +80 °C
. . . .. . . .. . . .. . . .. . . .. . . . Poly dome: -20 °C to +55 °C
Storage Temperature . . .Flat/Metal dome: -40 °C to +85 °C  
. . . .. . . .. . . .. . . .. . . .. . . . Poly dome: -40 °C to +60 °C
Humidity   40 °C , 90% ~ 95% for 240 hours
Vibration   20 G’s0 max (10-200 Hz, MIL-STD-202, M204, Condition B)

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