Multiple Shiny Buttons Membrane Keypad with Different Colors LED

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Technology Parameters

(1) Electrical Properties

1. operating voltage: ≤ 50VDC

2.working current: ≤ 100mA

3. Contact resistance: 0.5 ~ 10Ω 

4 .Insulation resistance: ≥ 100MΩ (100VDC)

5. substrate voltage: 2Kdvc

6.spring time: ≤ 6ms  

7.loop resistance: 50Ω, 150Ω, 350Ω third gear, or the user needs to determine

8.insulation ink voltage: 100VDC 

(2) Mechanical Properties  

1. reliability, service life:> 1 million times  

2. closed displacement: 0.1 ~ 0.4mm (no touch-type) 0.4 ~ 1.0mm

3. health standard for power: 15 ~ 750g Power  

4. Silver migration: In 55 °C, humidity 90%, 56 hours later, the second-line between the     10MΩ / 50VDC

5. Silver online no oxidation, no impurities  

6. Silver width ≥ 0.3mm, the smallest interval of 0.3mm, line edges <1 / 3, the line gap of <1    / 4 width

7. pin spacing standard 2.54 2.50 1.27 1.25mm  

8. lead anti-curvature, with d = 10mm Ganggun line pressure roller 80 constantly.  

(3) environmental performance

1. operating temperature: -20 °C ~ +70 °C  

2. storage temperature: -40 °C ~ +85 °C temperature of 95% ± 5%

3. atmospheric pressure: 86 ~ 106kDa 

(4) print index  

1. print size deviation ± 0.15mm, clear code looks bad ≤ 0.1mm edges

2. chromatic deviation ± 0.11mm / 100mm, insulated cover all the Silver Line Ink

3. no ink dispersion, writing non-defective

4. chromatic aberration is not more than two

5. may have creases, paint stripping  

6. transparent windows transparent clean, uniform color, not a scratch, and impurity

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