Custom External Control Metal Dome Membrane Switch Key Pad

Place of Origin:	Guangdong

Location:	Shenzhen, Guangdong, China (Mainland)
Business Type:	Manufacturer
Main Products:	PETMembraneSwitch

Model No.:	AIA-1

Quick Details

Overlay Material: PET / PC / Autotex F200 XE

Rear Adhesive: 3M467MP / 3M468MP / 3M300LSE, etc.

Thickness: Customized

Color: PMS and RAL color matching system

Others: LED / LCD / transparency window LED light

Application: Electronic scale exterior control panel

Typical Specification of Membrane Switch

Specifications will vary depending on materials, construction and circuitry. Please consult Maxswall Engineering for unique characteristics.

ELECTRICAL

Operating Voltage: 0-30 VDC.
Operating Current: 100 MA Max.
Operating Contact Resistance: Less than 100 OHMS typical (measured at the connector).
Contact Bounce: Less than 10 Milliseconds typical.
Conductors: Printed silver conductive inks or carbon blend (PC board assemblies available).
RFI and Static Shielding available in most configurations.

MECHANICAL

Life Expectancy: Douglas guarantees 1,000,000 actuation per switch position or 12 months.
Actuation Force: 2 -16 oz. range available — depending on customer specification. (4 - 8 oz. is considered medium actuation force for non-tactile configuration).
Switch Travel: .005" to .030" typical.
Overall Thickness: .020" to .050" typical.

ENVIRONMENTAL

Storage Temperature: -40°C to +80°C
Storage Altitude: Sea level to 40,000 feet.
Operating Temperature and Altitude: Variable depending on customer requirements (can be designed to operate in most environments).
Humidity: No delaminating after 24 hours at 85°C and 85%RH.
The specifications above are general. For information on more specific applications, contact one of Douglas Corporation's design engineers.

TECHNOLOGICAL PROCESS

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