According to the diagram test the main design size: 20-68-77
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Icon code
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Design size
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A
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78.50±0.2
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B
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66.50±0.2
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C
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0.60
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D
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8.00
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● Detection tool:0.02 caliper or micrometer.
● Indicate the code for inspection.
● Plane does not allow significant steps,smooth and unobstructed,no significant warp.
● no residual shape or damage,color is no different normal
● finish up to▽7 or more,does not allow harmless scars and miniature.
● Metal-free impurities or other debris,containing metal,debris products,must be waste separation.
● no melting marks,no internal pores bright spots.There are stomata bright spots(excluding traces of melting marks)for products such as the outer product.
● no flash,burr and excess material.
● feel a strong elasticity,and not brittle.
● Selection of raw materials must meet the requirements of the EU ROHS directive,and has UL yellow card certification and fixed-point supply.
● thermal deformation temperature≥100 degrees Celsius,flame retardant UL94Vo level/0.8-3.2mm.
● other structures should meet the transformer manufacturing process as the standard.
