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SMT EMI Gasket

Electromagnetic shielding material

SMT EMI gaskets are mainly used in the PCB assembly processes to provide an effective and stable grounding point and to provide an effective EMI shielding effect.

SMT EMI gaskets can be used in DVR, cameras, and other small digital products.

The main structure of the SMT EMI gasket is outer conductive silicone rubber (copper silver plating), inner silicone rubber elastic core with special opening design, and the bottom is tinned copper foil. The structure is stable and SMT technology can be used for fast mounting.

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SMT EMI Gasket parameters:



Characteristic of each material

Item No Material Name Specification Material
1 Conductive silicone Surface resistance: Max.0.5ꭥ Silicone Rubber+ Ag coated Cu Powder
2 Elastomer Core Heat resistance & Halogen free Silicone rubber
3 Metal foil Thickness: 70um Sn plated Cu foil



This product of GORE has ceased to be supplied externally. Our product can replace GORE products, with similar compression rate and performance.

Gore Part Number 25SMT-4442-01 REV A
Thickness(mm) 1.66
Length(mm) 3.56
Width(mm) 1.79
Weight(mm) 0.020
Low compression Compressed Part Height(mm) 1.48
DC Resistance(ohms) 0.008
Force to Achieve Compression(N) 0.9
Recommended compression Compressed Part Height(mm) 1.19
DC Resistance(ohms) 0.006
Force to Achieve Compression(N) 2.3
High compression Compressed Part Height(mm) 0.9
DC Resistance(ohms) 0.009
Force to Achieve Compression(N) 7.0



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