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FUJIPOLY connectors (see figure 1) have alternating layers ZEBRA® of conductive carbon-filled and non-conductive silicone rubber. They make reliable connections by being deflected between contacting surfaces. ZEBRA® connectors are used for connecting any LCD from small displays for watches to large area displays for instruments. Table A shows the different types of ZEBRA® connectors available. Table C shows performance characteristics.

Figure 1 shows the three dimensions of the ZEBRA® connector. When ordering, the three dimensions should be specified within the limits shown in table B.

For best overall performance, ZEBRA® connectors must be ordered and used with a ratio of H/W equal to or greater than 1.5.

Figure 1.

  LCD contact spaceing center-to-center Pitch: Sum of the Thickness of an Adjacent Conductive and Non-conductive Layer Conductive Layers per inch Individual Conductive and Insulating Layer Thickness Available
Lengths
Series Minimum Nominal Maximum Minimum Minimum Maximum Maximum
1002
(CZ410/CZ710)
0.015 in.
0.38 mm
0.004 in.
0.10 mm
0.006 in.
0.15 mm
240 0.001 in.
0.025 mm
0.004 in.
0.10 mm
9.0 in.
230 mm
2004
(CZ418)
0.020 in.
0.50 mm
0.007 in.
0.18mm
0.010 in.
0.25 mm
140 0.002 in.
0.050 mm
0.006 in.
0.15 mm
9.0 in.
230 mm
2005
(CZ405/CZ705)
0.010 in.
0.25 mm
0.002 in.
0.050 mm
0.004 in.
0.10 mm
500 0.0004 in.
0.010 mm
0.0024 in.
0.060 mm
9.0 in.
230 mm

TABLE A

Measurement Tolerance (inches/mm)
Length=L 0.157 in. to 2.40 in. — ± 0.008 in. ................/................ 4.00 mm to 61.00 mm — ± 0.20 mm
2.410 in. to 6.00 in. — ± 0.015 in. ................/................ 61.2 mm to 152.4 mm — ± 0.38 mm
6.010 in. to 7.87 in. — ± 0.020 in. ................/................ 152.6 mm to 200.0 mm — ± 0.50 mm
Height=H 0.020 in. to 0.750 in. ± 0.005 in. .............../................ 0.50 mm to 19mm ± 0.127 mm
Width=W 0.015 in. to 0.039 in. — ± 0.002 in................../................. 0.38 mm to 1.0 mm — ± 0.050 mm
0.040 in. to 0.079 in. — ± 0.003 in................../................. 1.01 mm to 2.0 mm — ± 0.076 mm
0.080 in. to 0.118 in. — ± 0.005 in................../................. 2.01 mm to 3.0 mm — ± 0.127 mm
above 0.118 in./3.00 mm consult factory.

TABLE B

ZEBRA® Connectors Temperature Range Current Carrying Capacity
0.040” x 0.040” pad
Resistance Between Layers
Minimum Maximum
Carbon -40°F
-40°C
212°F
100°C
0.005 amps 1012 ohms

TABLE C

Figure 2 Recommended Height(H)should be 1.5x Width(W)dimension for minimum force deflection. Maximum Skewness 2% of Height.

Figure 3

ZEBRA® Connector Dimensions

Figure 2 shows the three dimensions of the ZEBRA® connector. When ordering, the three dimensions should be specified within the limits shown in Table B. For best overall performance, ZEBRA® connectors must be ordered and used with a ratio of H/W equal to or greater than 1.5. Details show silicone support (left) and insulation barrier (right). Each is available on one or both sides. Configurations may also include support on one side and insulation on the other.

ZEBRA® CONNECTOR INSULATING BARRIER

Description Insulating Barrier
Color (one only) White
Hardness, Durometer A 30
Dielectric Strength volts/mil. 500
Resistance, ohms 1012
Insulating Barrier Width (B) in.*
(B) mm
0.002 ± 0.001
0.050 ± 0.025

TABLE D *The tolerance of W1 is equal to the sum of the tolerances of W.

Nominal Resistance Calculation

To calculate the resistance of the ZEBRA® connector use the following formulas:

Where:
Cw = Contact pad width in inches
H = ZEBRA® connector height in inches
W = ZEBRA® connector width in inches
Metric:
R = 60 x H
Ew x W
Inches:
R = 2.37 x H
Ew x W
Where:
R = Resistance (Ω)
Ew = Electrode Pad width (mm or inches)
W = Connector width (mm or inches)
H = Connector height (mm or inches)

Nominal Force Deflection Plain ZEBRA® or Insulation Barrier Type

ZEBRA® connectors should be deflected 5% to 25% of H. To calculate F-Force for deflection, use the following formula:

Where:
F = Force (N)
D = H - H1 x 100 (%)
H
H = Height of connector (mm or inches)
H1 = Deflected height of connector (mm or inches)
W = Width of connector (mm or inches)
W1 = Width of ZEBRA portion (mm or inches)
L = Length of connector (mm or inches)
Metric:
F(N) = 9 x D x W x L x 9.8 x 10-3
Inches:
F(N) = 5806 x D x W x L x 9.8 x 10-3

Nominal Force Deflection - Silicone Support Type

Metric:
F(N) = [(9 x D x W1 xL) + {2.2 x D x (W-W1) x L}] x 9.8 x 10-3

Inches:
F(N) = [(5806 x D x W1 x L) + {1419 x D x (W-W1) x L}] x 9.8 x 10-3

Part Number and Nomenclature:

To specify a connector to your exact requirements, substitute the metric measurements for width, length and height according to instructions below; example part# Ag(2.0 IB1 x 20 x 2.0)-U;

 

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