7499010211A

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The 7499010211A is a modular jack connector with magnetics which is designed for high speed network communication applications. It is used primarily in Ethernet networks, such as 10/100 Base-T and Gigabit Ethernet. In order to improve signal integrity and reduce crosstalk, the magnetic components of the connector are used to add additional inductance and dampen signal transients.

Construction

The 7499010211A is a right angle, board mount jack connector with integrated magnetics, so it is ideal for space limited applications. The connector is available in a 4-pin version and can accommodate cable or board termination. It has a contact retention force of 20N and is rated for 1,000 mating cycles. The integrated PCB supports surface mount connections.

The 7499010211A is composed of a main body, a base and a spring cover. The body is made of polyphenylene sulfide (PPS) and the contact face is gold-plated for contact reliability. The base contains the integrated magnetics and the spring cover protects the contacts from dust and debris.

Applications

The 7499010211A is suitable for use in 10/100 Base-T and Gigabit Ethernet applications. It is also useful in high speed communication protocols such as CPRI and CPRI-Lite. It is also suitable for use in industrial and medical applications, where data speeds of more than 1Gbps are required.

The connector is especially useful in space limited applications due to its compact size and the integrated magnetics. It is also suitable for applications where there is high levels of EMC emissions or high speed data transmission is required.

Working Principle

The integrated magnetics in the 7499010211A act as a filter and help to reduce crosstalk and signal transients. The magnetics consist of two inductors, one ferrite core and two capacitors. The inductors act as a filter, absorbing signal transients and controlling the amount of high frequency signals entering and leaving the connector. The ferrite core helps to attenuate high frequency signals and reduce crosstalk. The capacitors provide a frequency compensation to ensure that the data signal is transmitted at the correct frequency.

In addition to the magnetics, the connector also incorporates contact protection, which helps to protect the contacts from dust and debris. The contact protection ensures that the contacts remain in perfect conditions for reliable data transfer.

Conclusion

The 7499010211A is a modular jack connector with integrated magnetics which is designed for high speed network communication applications. It is composed of a main body, a base and a spring cover. The integrated magnetics help to reduce crosstalk and signal transients, while the contact protection ensures that the contacts remain in perfect condition. The connector is suitable for use in 10/100 Base-T and Gigabit Ethernet applications.

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