Beryllium Copper Finger Strip

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Garey Chandler
5 years ago
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provides excellent EMI protection when used as a gasket, due to its high electrical conductivity.

surrounds/seals, where repeated opening and closing is likely to occur.

to them. finger strips are supplied in standard lengths, other lengths may be supplied as custom.

1 provides excellent EMI protection when used as a gasket, due to its high electrical conductivity. This combined with its other main features of high tensile strength, fatigue resistance and its spring like qualities makes the ideal material for use in applications such as enclosure door surrounds/seals, where repeated opening and closing is likely to occur. The major advantage that gaskets have over most other conductive gaskets is that they will tolerate a wiping or shearing action, whereas other materials must have a normal compressive force applied to them. finger strips are supplied in standard lengths, other lengths may be supplied as custom. The strips have a bright copper finish as standard but can also be plated with Tin, Nickel etc to provide galvanic compatibility with your enclosure. These strips are also available in stainless steel. Material Specifications Chemical Composition Alloy 25 Beryllium = % Cobalt Plus Nickel = 0.2% min Cobalt Plus Nickel Plus Iron = 0.60% max Copper = Balance Mechanical and Electrical Properties Tensile Strength = Ksi Yield Strength = Ksi Fatigue Strength = (8) cycles Ksi Hardness = Rockwell c38 44 Electrical Conductivity = 22 28% IACS Pressure sensitive adhesive 3M a Acrylic Adhesive 48-hour Cure Time High Resistance to Solvents Service Temperature Range -30 c to c Length Strips can be pre-cut to custom lengths or are available in standard 406mm lengths

2 Part No. Maximum Length BCF1010 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF1020 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF1030 Maximum Length 406 mm 4.5 mm Wide PSA Fitted as Standard BCF1040 Maximum Length 610 mm Clip On BCF1050 Maximum Length 508 mm Clip On BCF1060 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF1070 Maximum Length 610 mm 10 mm Wide PSA Fitted as Standard BCF1080 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF1090 Maximum Length 406 mm Clip On BCF2010 Maximum Length 6.35 mm Slot Mount BCF2020 Maximum Length 381 mm Nylon Rivet Mount BCF2020BS Maximum Length 381 mm Nylon Rivet Mount BCF2030 Maximum Length 610 mm 10 mm Wide PSA Fitted as Standard BCF2040 Maximum Length 381 mm Nylon Rivet Mount BCF2040BS Maximum Length 381 mm Nylon Rivet Mount BCF2050 Maximum Length 610 mm 6 mm Wide PSA Fitted as Standard BCF2060 Maximum Length 508 mm 4.5 mm Wide PSA Fitted as Standard BCF2070 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF2080 Maximum Length 508 mm 6 mm Wide PSA Fitted as Standard BCF2090 Maximum Length 508 mm 6 mm Wide PSA Fitted as Standard BCF3010 Maximum Length 610 mm Contact Strip BCF3020 Maximum Length 508 mm 4.5 mm Wide PSA Fitted as Standard BCF3030 Maximum Length 610 mm Contact Strip BCF3040 Maximum Length 7.6 mm Slot Mount BCF3050 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF3060 Maximum Length 610 mm 6 mm Wide PSA Fitted as Standard

3 Part No. Maximum Length BCF3070 Maximum Length 406 mm 6 mm Wide PSA Fitted as Standard BCF3080 Maximum Length 610 mm 6 mm Wide PSA Fitted as Standard BCF3090 Maximum Length 406 mm Clip On BCF4010 Maximum Length 508 mm Clip On BCF4020 Maximum Length 406 mm Slot Mount BCF4030 Maximum Length 6.35 mm Slot Mount BCF4040 Maximum Length 610 mm 10 mm Wide PSA Fitted as Standard BCF4050 Maximum Length 18.5 mm Slot Mount BCF4060 Maximum Length 186 mm Slot Mount BCF4070 Maximum Length 381 mm 3 mm Wide PSA Fitted as Standard BCF4080 Maximum Length 381 mm 3 mm Wide PSA Fitted as Standard BCF4090 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF5010 Maximum Length mm 3 mm Wide PSA Fitted as Standard BCF5020 Maximum Length 4.30 mm Slot Mount BCF5030 Maximum Length 4.75 mm Slot Mount BCF5040 Maximum Length mm Slot Mount BCF5050 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF5060 Maximum Length 406 mm 4.5 mm Wide PSA Fitted as Standard BCF5070 Maximum Length 610 mm 4.5 mm Wide PSA Fitted as Standard BCF5080 Maximum Length 414 mm ST-ST Rivet Mount BCF5080BS Maximum Length 414 mm ST-ST Rivet Mount BCF5090 Maximum Length 414 mm ST-ST Rivet Mount BCF5090BS Maximum Length 414 mm ST-ST Rivet Mount BCF6010 Maximum Length 13.9 mm Slot Mount

Fingerstock Gaskets and Metal Grounding Products

Fingerstock Gaskets and Metal Grounding Products Features & enefits of Fingerstock Typical average shielding effectiveness of 80 100 d Wide operating range of parts (20% 80% of standing height is typical)