Membrane switch specification
Operation voltage: < 35 vdc
Operation current: <100 ma
Operation force: 30~500g
Operation temperature: -35c~+70c
Contact bounce: 3~30ms
Contact resistacne: <100 ohms
Open circuit resistance: < 100 meg ohms
Life expectency(min): 5x100, 000
Storage temperature: -35c~+70c
Usual material: pc & pet
We can use surface-mounted-technology to attach smd leds&resistors onto the circuit layer.
Backlight membrane switch is available too.
Standard export carton
Featured specification:
Electrical characteristics:
Contact rating: contact circuit rating: 30vdc, 33ma; 10vdc, 100ma
Open circuit resistance: dc250v 100mohm min
Reverse voltage: 205v/minute
Circuit resistance: 150ohm max.
Switch stroke: 0.15 - 0.2mm
Operation: momentary
Operating temp: 0 ~ +60c
Storage temp: -25 ~ +75c
Humidity: 95%rh at 25c
Actuations time: 1, 000, 000 for flat keys, over 300, 000 times for metal dome, over 100, 000 times for mylar dome
Operating force: 100 - 300g
Emi, rfi and esd shielding
Material of overlay: polyester (textured) or polycarbonate (matt and glossy)
Transparent and abrasion resistant window
Led & resistor sticked
Multi-color, reverse side printing
Standard export carton
Metal dome/poly dome
Applications: electronics controller
Electrical characteristics:
Rating voltage: 24vdc
Rating current: 10ma
Contact resistance: 10 ohms maximum <10 ohms
Mechanical:
Life expectancy: 1, 000, 000 cycles
Key travel
Metal dome = 0. 35 +/- 0. 05mm
Poly dome = 0. 70 +/- 0. 05mm
Contact bounce: 5ms maximum
Actuation force: 1. 5n to 2. 5n
Dimensional tolerance: +/-0. 15mm
Dimensional stability: +/-0. 15mm
F1-f2/f1 = 55% to 60%
Environmental:
Operating conditions: -30 to +85 degrees celsius, 50% to 80% rh
Storage condition: -40 to +85 degrees celsius, 10% to 95% rh
Standard export carton
Al material base circuit board
Typical feature
. Standard dimension: 490x8857; 490mm 600x8857; 500mm (optional dimension for discussion)
. Standard thickness: 1.0, 1.5, 2.0, 3.0 mm(optional dimension for discussion)
. Copper foil thickness: 35um, 70um, 105um, 140um, 210um
. Heat conduction and insulating layer thickness: 60um
Application
Motor, auto-bicycle trigger, voltage adjustor
Audio output magnifier
Power supply, solid transistor base
Industrial power
Solar-energy batter base, heat sinker etc.
Standard export carton
Flexible circuit board(flexible pcba) assembly service
Key specifications/special features:
Number of layers: 2 to 12
Minimum hole size: 0.010 inch
Minimum conductor width: 0.002 inch
Minimum conductor space: 0.002 inch
Material: polymide
Applications: lcd monitor, telecom, notebook pc, pc, peripheral, camera printer
Primary competitive advantages:
Experienced technical staff
Price
Product features
Service
Small order accepted
Quality approval
Country of origin: china
Export markets: worldwide
Payment details: t/t in advance
Standard export package
Printd circuit board
Printed circuit board assembly service
Key specifications/special features:
Applications: computer motherboard, net card communication card
Smd, dip, ai, oem/odm assembly
Complete product assembly including structural parts, microchip programming and functional testing
Iso 9001, iso14000 certified processes
Small orders can be accepted
Primary competitive advantages:
Experienced technical staff
Price
Product features
Service
Small order accepted
Quality approval
Export markets: worldwide
Payment terms: t/t or l/c
Country of origin: china
Standard export package
Flexible printed circuit board (FPC)
General specification:
Circuit sizes:
Single sided up to 22" x 28" - (558. 8mm x 711. 2mm)
Double sided up to 16" x 22" - (406. 4mm x 588. 8mm)
Maxi-flex up to 10" x 16 feet - (254mm x 4877. 0mm)
Hole size:
Non-plated thru holes. 010" (. 25mm) min. Drilled hole size. Tolerance +/-. 0015" (. 038mm)
Plated thru holes. 010" (. 25mm) min. Drilled hole size. Tolerance +/-. 003" (. 076mm)
(smaller holes can be manufactured. )
Line width and spacing:
. 005" (. 12mm) minimum line
. 005" (. 12mm) minimum spacing
(finer lines can be manufactured. )
Conductor to edge of circuit/blanking:
Soft tooling outline dimensions +/-. 010" (. 25mm)
Hard tooling outline dimensions +/-. 003" (. 076mm)
Drill position:
Tolerance of +/-. 003" (. 076mm)
Layers:
Up to 6 conductor layers
Shielding layer - copper and silver
Pads on plating layer
Standard export carton
Two- to four-layer rigid-flex pcbs with fr4/hdi-pda laminate material
Key specifications/special features:
Number of layers: 2 to 4
Thickness: 12 mil only
Thermal performance: 30% better conduction than standard 0.062-inch fr4
New fr4 technology from photo circuit
New thermally conductive adhesive technology
Suitable for body through power train controller application
Standard export carton
Teflon circuit board
Typical feature
Standard dimension: 490x8857; 490mm 600x8857; 500mm (optional dimension for discussion)
Standard thickness: 1.0, 1.5, 2.0, 3.0 mm(optional dimension for discussion)
Copper foil thickness: 35um, 70um, 105um, 140um, 210um
Heat conduction and insulating layer thickness: 60um
Application
Motor, auto-bicycle trigger, voltage adjustor
Audio output magnifier
Power supply, solid transistor base
Industrial power
Solar-energy batter base, heat sinker etc.
Standard export carton
Printed circuit board assembly service
Key specifications/special features:
Applications: computer motherboard, net card communication card
Smd, dip, ai, oem/odm assembly
Small orders can be accepted
Primary competitive advantages:
Payment terms: t/t or l/c
Country of origin: china
Minimum order: 1, 000 pieces
Standard export package
