RJHSE-5381

Series:	RJHSE
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Connector Type:	Jack
Number of Positions/Contacts:	8p8c (RJ45, Ethernet)
Number of Ports:	1
Number of Rows:	1
Mounting Type:	Through Hole
Orientation:	90° Angle (Right)
Termination:	Solder
Shielding:	Shielded, EMI Finger
Ratings:	--
Features:	Board Lock
LED Color:	Yellow - Green
Ingress Protection:	--
Tab Direction:	Up
Contact Material:	Phosphor Bronze
Contact Finish:	Gold
Contact Finish Thickness:	50.0µin (1.27µm)
Housing Material:	Thermoplastic
Operating Temperature:	-55°C ~ 85°C

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Modular Connectors — JacksConnectors and cables are an integral part of any electronic system. Whether transferring data or power, they are necessary components for connecting different pieces of equipment with each other. Modular connectors, often referred to as jacks, are a popular type of connector which relies on standardized insert patterns to ensure compatibility between different devices. RJHSE-5381 is a popular format of modular jack that offers advantages such as small size and high signal integrity and is used in a variety of applications and protocols. The RJHSE-5381 modular jack is a small form factor 8-pin connector designed to meet a wide variety of needs. It has 8 individual contacts in a single housing, arranged in two rows of four each. The most common use of the RJHSE-5381 is for traditional analog voice and data applications such as telephone lines, modems, and other serial data transmissions. It is also suitable for low-speed, short range digital protocols such as I²C bus, RS-232, and CAN bus. The modular jack has distinct advantages when compared to more traditional types of connectors. It can be applied in a variety of systems, leading to its wide popularity. Another advantage is its small size, making it an ideal choice when the available space is limited. The modular jack also offers excellent conductance, which is critical for signal integrity. With correct termination, the signal integrity of the system can be improved significantly. The working principle of the RJHSE-5381 is quite simple. It utilizes an interface consisting of two rows of pins, each consisting of four contacts. This allows for multiple differential pairs to be connected in the same housing. The differential pairs are then connected to the corresponding external pins. This eliminates the need for multiple interconnects and thus simplifies the overall system design.In a typical system, the RJHSE-5381 is inserted into a panel-mounted receptacle, which is often soldered to the board. This forms an electrical connection between the modular jack and the system board. Then, the side of the connector with the pins is used to connect to a cable, which is then connected to another connector or device. Although modular jacks are renowned for their compact size and flexibility, they also require careful installation and termination to ensure the highest signal integrity. As the signal travels over the cable, it is influenced by the impedance of the cable as well as the contact resistance of the connectors. If these elements are not properly matched, the quality of the signals transmitted can suffer significantly.Modular jacks are inherently designed to be easily replaceable, allowing for rapid reconfiguration and service replacement. When the connector is inserted into the receptacle, the electrical connection is secured via an additional retention mechanism. This ensures that the connector is secured and does not suffer any accidental disconnects. In addition, a keystone system is used, which allows for rapid insertion and removal of the modules. In summary, the RJHSE-5381 is a popular and extremely versatile modular jack system which is used in a wide range of applications. The small size, high signal integrity, and easy compatibility make it one of the most widely used connectors on the market. Its simple working principle and ability to be rapidly replaced are also key factors in its popularity. With the right installation and termination, the RJHSE-5381 can greatly enhance the signal integrity of any system.

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