guangzhou kay-ee membrane switch keyboard co., ltd reviews

Company Information

We are guangzhou kay-ee membrane switch keyboard co., ltd based in guangzhou , China. We are member of Tradekey.com since August, 2009. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in membrane switch, touch panel ,FPC and assembly survice(PCBA,silicon keypad,metal backer,EL etc.). Please find our product details below:

membrane switch
Membrane switch:
Membrane switch, Graphic overlay, as a new operating system for electronic machine combining with decorative and functionality, has become a popular product in the market for the last decade. It integrates switch key, functional word, marker, trademark, transparent window and display functions and has been widely used in intelligent electronic measuring instrument, medical instrument, computer control, CNC machine, electronic weighing machine, post & telecommunication, copier, refrigerator, microwave oven, electric fan, washing machine, electronic game, and other industrial and household appliance.


Main types:
1. Overlay
2. Planar non-tactility type
3. Convex surface tactility type
4. Convex surface metal dome tactility type
5. Membrane switches with LED lamp
6. Membrane switches with silicon rubber
7. Membrane switches with FPC
8. Membrane switches with EL plate
meanwhile, we also provide FPC, silicon rubber, touch screen and assembly module, etc.


1. Electrical Properties:
Electrical Level: 35V(DC), 100mA, 1W
Contact Resistance: 10Ω~500 Ω
Insulation Impedance: 100MΩ/100V
Dielectrics Voltage-resistance: 250VRms（50~60Hz 1min）
Chattering Time: ≤ 5ms
Life Expectance: Planar type ≥ 5, 000, 000; Tactility type ≥ 1, 000, 000
2. Mechanical Properties:
Operating Force: Planar type 57~284g(2~10oz); Tactility type 170~397g(6~14oz)
Switch Stroke: Planar type 0.1~0.5mm; Tactility type 0.6~1.5mm
3. Environmental and Storage Conditions:
Operation Temperature: -40°C ~ +80°C, Storage Temperature：-40°C ~ +70°C
Humidity: 40°C, 90%~95%, 240hr.，Vibration：20G, max

FPC and PCB, PCBA
Capability


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Capability I(PCB)
Item Picture capability
　Minimum PTH hole diameter 　D：0.25mm
　Minimum PTH Pad diameter 　R：0.60mm
　Cu thickness on hole wall 　T:20±5um (Plating Au) T:20±5um (SMOBC)
　Minimum conductor width/spacing 　W/S:4/4mil (Plating Au) W/S:5/5mil (SMOBC)
　Registration of conductor 　0.1mm
　Tolerance of hole size 　PTH:±0.08mm NPTH:±0.05mm


Capability II (FPC)
Item Picture Capability
　Minimum PTH hole diameter 　D：0.20mm
　Minimum PTH pad diameter 　R：0.45mm
　Cu thickness on hole wall 　T:15±5um
　Minimum conductor width/spacing 　W/S:3/3mil
　Minimum golden finger spacing 　P：0.3mm

Capability III (FPC)
Item Picture Capability
　Tin Electroplate 　2~10um(6±4um)
　Finger to outline 　±0.07mm
　Finger Electroplate 　Au0.03um 以上, Ni 2~9um
　Flash-Gold Electroplate 　Au0.03~0.09um 以上, Ni 2~9um
　Immersion Gold 　Au0.03~0.15um 以上, Ni 3~9um
　Silver-Paste Print 　General spec 30um

membrane switch
Membrane switch:
Membrane switch, Graphic overlay, as a new operating system for electronic machine combining with decorative and functionality, has become a popular product in the market for the last decade. It integrates switch key, functional word, marker, trademark, transparent window and display functions and has been widely used in intelligent electronic measuring instrument, medical instrument, computer control, CNC machine, electronic weighing machine, post & telecommunication, copier, refrigerator, microwave oven, electric fan, washing machine, electronic game, and other industrial and household appliance.


Main types:
1. Overlay
2. Planar non-tactility type
3. Convex surface tactility type
4. Convex surface metal dome tactility type
5. Membrane switches with LED lamp
6. Membrane switches with silicon rubber
7. Membrane switches with FPC
8. Membrane switches with EL plate
meanwhile, we also provide FPC, silicon rubber, touch screen and assembly module, etc.


1. Electrical Properties:
Electrical Level: 35V(DC), 100mA, 1W
Contact Resistance: 10Ω~500 Ω
Insulation Impedance: 100MΩ/100V
Dielectrics Voltage-resistance: 250VRms（50~60Hz 1min）
Chattering Time: ≤ 5ms
Life Expectance: Planar type ≥ 5, 000, 000; Tactility type ≥ 1, 000, 000
2. Mechanical Properties:
Operating Force: Planar type 57~284g(2~10oz); Tactility type 170~397g(6~14oz)
Switch Stroke: Planar type 0.1~0.5mm; Tactility type 0.6~1.5mm
3. Environmental and Storage Conditions:
Operation Temperature: -40°C ~ +80°C, Storage Temperature：-40°C ~ +70°C
Humidity: 40°C, 90%~95%, 240hr.，Vibration：20G, max

Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.