ARJM11A3-502-JA-ER4-T

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Modular connectors, which are connections that provide power and communication between connected devices, have a variety of types, including jacks with magnetics. ARJM11A3-502-JA-ER4-T is one type of modular connector and its application field and working principle will be introduced in this article.

Application Field

ARJM11A3-502-JA-ER4-T is a combination of RJ-45 connector and a standard transformer. It’s mainly used in 10/100/1000 Base-T Ethernet systems where both common mode and/or differential mode are required, and applied for PoE, PoE+, 4-pair and twisted pair applications. Therefore, it can be used with both non-isolated and isolated RJ45 approaches. For non-isolated type, four contacts of RJ45 connector can be soldered with four wires to end applications. While for isolated type, contacts of RJ45 connector can be connected with twisted pair directly.

Working Principle and Features

ARJM11A3-502-JA-ER4-T has improved electrical and magnetic performances due to the combination of RJ45plug and transformer. The RJ45plug features excellent insertion loss and return loss, meeting the Cat5e specification. The transformer provides better common mode noise isolation capability and improved surge protection. The transformer used in ARJM11A3-502-JA-ER4-T has high step-up and low DCR for improved system performance and 2.0mm terminal pitch for easy PCB mounting.Features such as surge protection, isolation and suppression of common mode noise make ARJM11A3-502-JA-ER4-T be more stable and reliable when applied in 10/100/1000 Base-T Ethernet systems.

Conclusion

ARJM11A3-502-JA-ER4-T is a modular connector jack with magnetics. With excellent insertion loss and return loss and improved electrical and magnetic performances, it can be used in 10/100/1000 Base-T Ethernet systems. Features such as surge protection, isolation and suppression of common mode noise make it be more stable and reliable.

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