4157PA51H01800

Series:	--
Part Status:	Active
Type:	Fabric Over Foam
Shape:	Rectangle
Width:	0.280" (7.10mm)
Length:	18.000" (457.20mm)
Height:	0.059" (1.50mm)
Material:	Polyurethane Foam, Nickel-Copper Taffeta (NI/CU)
Plating:	--
Plating - Thickness:	--
Attachment Method:	Adhesive
Operating Temperature:	--

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RFI and EMI - Contacts, Fingerstock and Gaskets

The 4157PA51H01800 is an Interconnect Solution from TE Connectivity. It is part of TE\'s portfolio of RFI and EMI-Contacts, Finger Buttons and Gaskets. It features a circular, ground, low profile, DC coupler contact featuring an 8mm diameter that is positioned between two PCBs or ground planes. It is constructed from an anodized aluminum body which is insulated with an EPDM seal. The contact is designed to provide coplanarity between panels, serve as a mechanical contact, and occupy minimal space.

Application Field

The 4157PA51H01800 is designed for a variety of applications that require RFI and EMI shielding of circuits and components. It is particularly suitable for use in applications that require a space-efficient contact that has both conductive and isolating properties between panels or planes. Among these applications are medical equipment, test and measurement equipment, aerospace and defense systems, power supplies, automotive and transportation systems, and consumer electronics.

Working Principle

The 4157PA51H01800 is based upon a butted contact type. It comprises a circular contact body, insulated with an EPDM seal, which provides both contact and isolation from panel-to-panel or plane-to-plane. The contact exerts a constant mechanical force, thus providing a coplanar connection between two surfaces regardless of potential misalignment. Once the coupling action is completed, the contact provides both electrical and isolation shielding, effectively reducing or eliminating electromagnetic interference. The contact also provides a secure mechanical connection for reliable operation in application environments where vibration, shock, and other motion can cause mechanical connections to become loose or unsteady.

Benefits

The 4157PA51H01800 offers a number of benefits over other RFI and EMI-Contacts, Finger Buttons and Gaskets, including:

• Low profile design reduces space requirements
• Provides reliable mechanical contact and electrical shielding
• Eliminates or reduces electromagnetic interference
• Provides coplanarity between panels
• Rugged construction for use in harsh environment applications
• Compact design for cost savings

Conclusion

The 4157PA51H01800 RFI and EMI-Contacts, Finger Buttons and Gaskets from TE Connectivity is an excellent solution for applications that require an efficient contact between two surfaces or panels. It provides both electrical and isolation shielding, coplanarity between panels, a secure mechanical connection, and a low profile design for use in space-restricted applications.

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