4 12 16 20 Key Membrane Switch Keypad 1x4 3x4 4x4 4*5 Array Matrix keyboard
1x4 matrix keyboard:
 
100% Brand new and good quality

1*4 Matrix membrane switch with FPC circuit 
Single chip microcomputer extended keyboard 
Precise and professional made, stable performance 
Pad Size: 68*20mm 
Total Length: 107mm 

 

3x4 matrix keyboard:

 
Pad Size: 69.2 x 76.9 x 0.8mm
Cable Length: 3-1/3" or 86mm (include connector)
Connector: Dupont 7 pins, 0.1" (2.54mm) Pitch
Mount Style: Self-Adherence
Max. Circuit Rating: 35VDC, 100mA
Insulation Spec.: 100M Ohm, 100V
Dielectric Withstand: 250VRms (60Hz, 1min)
Contact Bounce: <=5ms
Life Expectancy: 1 million closures
Operation Temperature: -20 to +40 °C

 

4x4 matrix keyboard:
Contact resistance of 500 ()
Insulation resistance 100M ()
Key Operating Force 150-200N
Rebound time 1 (ms)
Life of 100 million (times)
Operating Temperature 60 ()
1, the electronic characteristics
Circuit Rating: 35V (DC), 100mA, 1W
Contact resistance: 10 ~ 500
(Varies according to the lead lengths and different from those of the material used)
Insulation resistance: 100M 100V
Dielectric Strength: 250VRms (50 ~ 60Hz 1min)
Electric shock jitter: <5ms
Life span: tactile type: one million times
2, the mechanical properties
Operating pressure: Touch feeling: 170 ~ 397g (6 ~ 14oz)
Switch travel: touch-type: 0.6 ~ 1.5mm
3, the environment parameters
Operating temperature: -40 to +80
Storage temperature: -40 to +80
Temperature: from 40,90% to 95%, 240 hours
Vibration: 20G, max. (10 ~~ 200Hz, the Mil-SLD-202 M204.Condition B)
 
4x5 matrix keyboard:
 
1. Panel Size: 75*85mm. 

2. Length: 18CM. 

3. Insulation Resistance:100M Ω 100V. 

4. Withstand Voltage:250V Rms.(50-60Hz lmin) 

5. Storage Temperature: +15°- +35°. 

6. Storage Humidity:70-90.

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3. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Shipping fee has including the local handing and packaging fee.
4. All the items will be shipping within 1-2 working days after receiving the payment, except some holidays.
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  • Items will go to post within 1-2 business days after payment confirmed.

If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.

On 18-Jul-20 at 04:32:10 BST, seller added the following information:

DataCaciques