4387AB51K00200 RF/IF and RFID

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RFI and EMI protection is critical in many types of electronics. From automotive to medical equipment, the need to shield against adverse electromagnetic radiation is a priority and often a legal requirement. Contacts, fingerstock and gaskets are commonly used in these applications to provide a low contact resistance interface that can be used to effectively form a conductive path between two layers of metalized fabric or a conductive pattern etched onto an insulated board.

The 4387AB51K00200 contact is a low-cost, high-performance contact designed for use in simple electrical circuits and in passive RFID tags. It features a gold-plated nickel shell with a crimp connection and an endstop post to ensure a tight fit while maintaining a low contact resistance. The contact also includes a thermoplastic insulator to help prevent ESD damage.

The contact is designed to be crimped onto the end of a wire that has been properly pre-tinned for stronger adhesion. An endstop post is included for additional strain relief and to ensure that the contact does not loose its electrical connection. Once crimped, the contact is then ready to be soldered to a printed circuit board. When mounted on the board, the contact provides an effective EMI protectoin by forming a low contact resistive barrier between the board and the surrounding environment.

The 4387AB51K00200 contact is rated from -55°C to +105°C and works with both solid and stranded wire sizes from 30-26 AWG. It can be use with high-frequency signal delivery and provides EMI protection of up to 9.6 dB and dielectric insulation of up to 4.8KV.

Fingerstock and gaskets are also used for EMI protection. Fingerstock is made of conductive foam that is metal-clad and designed to be held in place by two layers of metalized fabric. When compressed, it forms a shield around an electrical device, reducing the electrical noise that can come from adjacent circuit elements. It is commonly used in automotive and computer-related applications.

Gaskets are pre-formed metal and/or elastomer materials designed to seal out electromagnetic radiation. They are often used in automotive and home electronics to reduce conducted EMI interference. Gaskets come in a variety of shapes and sizes and are typically designed to fit precisely around the components they are shielding. They are also available in both solid and perforated versions.

Contacts, fingerstock and gaskets provide an effective way to reduce the risk of EMI interference when used in the correct application. The 4387AB51K00200 contact is a great example of a low-cost, high-performance contact that provides reliable electrical connection and EMI protection in a wide variety of applications. Using a combination of contacts, fingerstock and gaskets can help to ensure that critical electronic equipment is shielded from the damaging effects of EMI and RF energy.

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