RJSNEJ089A8

Part Overview

The RJSNEJ089A8 is a Jack Modular Connector with 8p8c (RJ45, Ethernet) configuration, featuring 90° right-angle orientation and unshielded design manufactured by Amphenol ICC (Commercial Products). This part is classified as Obsolete, requiring identification of functionally equivalent alternatives for new designs and procurement continuity. The obsolete status necessitates the use of active substitute components that maintain electrical and mechanical compatibility while offering ongoing availability.

Substiute Parts

RJSNEJ089A8

Amphenol ICC (Commercial Products)In Stock: 1129RJSNEJ089A8 Datasheet

Current PartRFQ

RJSAE508908

Amphenol ICC (Commercial Products)In Stock: 734RJSAE508908 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the RJSNEJ089A8 are qualified based on the following critical parameters that determine functional equivalence:

Connector Configuration Criteria:

• Connector type (Jack)
• Contact count and arrangement (8p8c / RJ45 Ethernet standard)
• Port and row configuration (8 ports, 2 rows)

Physical and Mechanical Criteria:

• Mounting type (Through Hole)
• Orientation (90° Right-angle)
• Termination method (Solder)
• Shielding classification (Unshielded)

Material and Environmental Criteria:

• Contact material composition (Phosphor Bronze)
• Contact finish type (Gold)
• Housing material (Thermoplastic)
• Operating temperature range compatibility
• RoHS compliance
• Moisture sensitivity level

The RJSAE508908 meets all substitution criteria, maintaining identical electrical and mechanical specifications while offering improved contact durability and board-lock retention features.

Parameter Comparison

Engineering Selection Recommendations

The RJSAE508908 is the qualified substitute for the obsolete RJSNEJ089A8, offering full electrical and mechanical compatibility with the following design considerations:

Compliance and Availability: Both components maintain RoHS compliance and unlimited moisture sensitivity level (MSL 1) handling. The RJSAE508908 holds Active product status, ensuring long-term procurement availability and supply chain stability for production and field replacement applications.

Operational Parameters: The RJSAE508908 features an expanded operating temperature range (-55°C ~ 85°C) compared to the original (-40°C ~ 85°C), providing enhanced performance in extended low-temperature environments while maintaining the upper temperature threshold.

Contact Durability: The RJSAE508908 incorporates increased gold contact finish thickness (50.0µin vs. 30.0µin), enhancing contact wear resistance and connection reliability over extended service life.

Mechanical Enhancement: The inclusion of Board Lock features in the RJSAE508908 provides improved retention and strain relief compared to the original design, without affecting PCB mounting compatibility or signal performance.

Frequently Asked Questions (FAQ)

Q: Are the RJSNEJ089A8 and RJSAE508908 electrically equivalent? A: Yes. Both components are 8p8c (RJ45, Ethernet) jack connectors with unshielded design, identical contact materials (phosphor bronze with gold finish), and equivalent electrical performance characteristics. Functional equivalence is confirmed across all specified electrical parameters.

Q: Can I use the RJSAE508908 as a direct replacement on existing PCBs designed for the RJSNEJ089A8? A: Yes. Both connectors use identical Through Hole solder termination, 90° right-angle orientation, and physical footprints. The RJSAE508908 is mechanically and electrically compatible with original RJSNEJ089A8 designs without PCB layout modifications.

Q: What is the difference in contact finish thickness, and does it affect performance? A: The RJSAE508908 provides 50.0µin (1.27µm) gold plating compared to 30.0µin (0.76µm) on the original RJSNEJ089A8. The increased thickness enhances contact durability and extends service life in high-insertion-cycle or difficult-mating-force applications, while maintaining equivalent electrical characteristics.

Q: Does the expanded operating temperature range of the RJSAE508908 affect my design? A: No negative impact. The RJSAE508908 operates across -55°C ~ 85°C, exceeding the original specification of -40°C ~ 85°C. If your application operates within the original range, both parts are equivalent. If low-temperature operation below -40°C is required, the RJSAE508908 provides additional margin.

Q: What is the Board Lock feature on the RJSAE508908? A: Board Lock is a mechanical retention mechanism that improves connector retention on the PCB during handling and environmental stress. It does not affect electrical performance and is compatible with standard cable mating.

Q: Are both components RoHS compliant? A: Yes. Both the RJSNEJ089A8 and RJSAE508908 carry RoHS compliance certification, meeting regulatory requirements for restricted hazardous substances in electronic components.

Q: What is the supply status difference between these parts? A: The RJSNEJ089A8 is classified as Obsolete with limited inventory. The RJSAE508908 maintains Active product status with confirmed current inventory, providing reliable long-term availability for new designs and replacement stock.