Membrane Key Switches
With over 1000 customers from all over the world, our
membrane key switches and silicone rubber
keypads have found their way into products by
some of the most recognized manufacturers, including Motorola, Honeywell, Sanyo,
Siemens, Nokia, and Nortel. Over 2000 workers are employed in seven factories,
which are located in Taipei, Tu Chen (Taiwan) and Mainland China.
We employ diligent engineering teams, working with the latest R&D equipment to
provide you samples within two weeks and subsequent production of your design
quickly and efficiently. Our ISO 9001-2000 certified factories maintain
very flexible production lines; no matter the volume of your order you can count
on E.E. URD to accommodate your requirements. With QS9000 and UL
approved divisions, we also comply with specific quality requirements of the
automotive industry. Our powerful QC systems and accurate testing equipment for
all our products ensure that all products received from E.E. URD Design and
Manufacturing will be of the highest industry standards.
Available Product Range and Specifications
- Standard 12 Keys, 16 Keys, 20 Keys – Normally do not carry tooling charges
- Mylar Dome and Metal Dome are available
- Special Design for EMI, RFI or ESD Shielding
- Raised Key with Mylar or Metal Tactile Effect
- SMD Components on Mylar Circuit or Connector for Tail Termination
- EL Backlight / Transparent Window
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Operation Voltage
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< 35 VDC
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Operation Current
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< 100 mA
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Contact Resistance
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< 100 Ohms
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Open Circuit Resistance
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> 10 Meg Ohms
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Operation Force
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30g to 500g
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Operation Temperature
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-35C to +70C
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Storage Temperature
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-45C to +90C
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Life Expectancy
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5x105 to 3x107 cycles
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Switch Stroke
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0.1 - 0.6 mm
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Contact Bounce
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5 - 30 mSec
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Silicone Rubber Keypads
Basic Construction of Silicone Rubber Keypads:
Product Types:
- Regular Keypad
- Multi-Color Keypad
- Plastic injection molded keypad
- Laser Etched keypad
- Complete Sets:
a. F.P.C. + LED + Keypad
b. Mylar Circuit + LED + Keypad
c. Complete Set - P.C.B. + Keypad + Components
Types of Surface Finishing:
- Plastouch Over Coating
- Bright Over Coating
- Epoxy Over Coating
- Night Time Design (Laser Engraving)
- Anti-Microbial
- Fluorescent
- Color Changeable Under Lighting
Note: The specifications listed are for basic reference only; please
contact us to discuss your
individual requirements.