The main technical parameters of Zhongshan membrane switch

(1) Electrical Properties

1, operating voltage:

≤ 50VDC

2, working current:

≤ 100mA

3 Contact resistance:

0.5 ~ 5Ω

4 Insulation resistance:

≥ 100MΩ (100VDC)

5, substrate voltage:

2kDVC

6, spring time:

≤ 6ms

7, loop resistance:

50Ω

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:

280g Power

4, Silver migration:

In 55 ℃, 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

2.54mm

8, lead anti-curvature, with d

10mm steel rod line pressure roller 80 constantly.

(3) environmental performance

1, operating temperature:

-40 ℃ ~ +80 ℃

2, storage temperature:

-40 ℃ ~ +85 ℃ 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