RJSNEJF8K08 Equivalent & Substitute Parts

Part Overview

The RJSNEJF8K08 is a modular jack connector manufactured by Amphenol ICC (Commercial Products) designed for 8p8c (RJ45, Ethernet) applications. This connector features a 90° right-angle orientation, shielded construction, through-hole solder termination, and board lock functionality. The part is classified as Obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure ongoing component availability for production and field service applications.

Key Parameters

Parameter	Value
Connector Type	Jack
Number of Positions/Contacts	8p8c (RJ45, Ethernet)
Number of Ports	8
Number of Rows	2
Mounting Type	Through Hole
Orientation	90° Angle (Right)
Termination	Solder
Shielding	Shielded
Contact Material	Phosphor Bronze
Contact Finish	Gold
Housing Material	Thermoplastic
Operating Temperature Range	-40°C ~ 85°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the obsolete RJSNEJF8K08 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Connector Type: Jack
Number of Positions/Contacts: 8p8c (RJ45, Ethernet)
Mounting Type: Through Hole
Orientation: 90° Angle (Right)
Termination: Solder
Shielding: Shielded
Contact Material: Phosphor Bronze
Contact Finish: Gold
Housing Material: Thermoplastic
RoHS Compliance: Yes
MSL Rating: 1 (Unlimited)

The RJSAE538EA8 satisfies all mandatory matching parameters and is classified as an Active product, making it a direct functional equivalent for the obsolete RJSNEJF8K08.

Parameter Comparison

Parameter	RJSNEJF8K08 (Main Part)	RJSAE538EA8 (Substitute)
Manufacturer	Amphenol ICC (Commercial Products)	Amphenol ICC (Commercial Products)
Category	Modular Connectors	Modular Connectors
Connector Type	Jack	Jack
Number of Positions/Contacts	8p8c (RJ45, Ethernet)	8p8c (RJ45, Ethernet)
Number of Ports	8	8
Number of Rows	2	2
Mounting Type	Through Hole	Through Hole
Orientation	90° Angle (Right)	90° Angle (Right)
Termination	Solder	Solder
Shielding	Shielded	Shielded, EMI Finger
Contact Material	Phosphor Bronze	Phosphor Bronze
Contact Finish	Gold	Gold
Contact Finish Thickness	30.0µin (0.76µm)	50.0µin (1.27µm)
Housing Material	Thermoplastic	Thermoplastic
Operating Temperature Range	-40°C ~ 85°C	-55°C ~ 85°C
Tab Direction	Up and Down	Up and Down
RoHS Status	RoHS Compliant	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active

Engineering Selection Recommendations

The RJSAE538EA8 is the appropriate substitute for the obsolete RJSNEJF8K08 based on the following engineering criteria:

Product Status: The RJSAE538EA8 is classified as Active, ensuring ongoing availability and manufacturing support, whereas the RJSNEJF8K08 is Obsolete and subject to discontinuation.

Compliance Certification: Both parts maintain RoHS Compliance and MSL 1 (Unlimited) ratings, confirming equivalent environmental and moisture handling requirements.

Functional Equivalence: The RJSAE538EA8 matches all critical electrical and mechanical parameters of the RJSNEJF8K08, including connector type, contact configuration, mounting method, orientation, termination style, and operating temperature range.

Enhanced Specifications: The RJSAE538EA8 provides additional EMI Finger shielding and an extended lower operating temperature limit (-55°C versus -40°C), offering improved electromagnetic interference protection and broader thermal operating envelope.

Contact Finish Enhancement: The RJSAE538EA8 features a thicker gold contact finish (50.0µin versus 30.0µin), providing enhanced durability and contact reliability.

Frequently Asked Questions (FAQ)

Q: Can the RJSAE538EA8 be used as a direct replacement for the RJSNEJF8K08 in existing designs?

A: Yes. The RJSAE538EA8 meets all mandatory electrical and mechanical parameters required for functional equivalence, including connector type, contact configuration, mounting method, orientation, termination, and shielding. Both parts are RoHS Compliant with MSL 1 ratings.

Q: What is the difference in shielding between the two parts?

A: The RJSNEJF8K08 provides standard shielding, while the RJSAE538EA8 includes both shielding and an EMI Finger. The EMI Finger provides additional electromagnetic interference suppression.

Q: Are there differences in operating temperature specifications?

A: Yes. The RJSNEJF8K08 operates from -40°C to 85°C, while the RJSAE538EA8 operates from -55°C to 85°C. The RJSAE538EA8 supports a lower minimum temperature, providing a broader operating envelope.

Q: How do the contact finish specifications compare?

A: The RJSNEJF8K08 has a gold contact finish of 30.0µin (0.76µm), while the RJSAE538EA8 has a thicker gold contact finish of 50.0µin (1.27µm). The thicker finish on the RJSAE538EA8 provides enhanced contact durability and wear resistance.

Q: Are both parts through-hole solder termination?

A: Yes. Both the RJSNEJF8K08 and RJSAE538EA8 use through-hole solder termination, ensuring compatibility with standard PCB assembly processes.

Q: What is the inventory status of the substitute part?

A: The RJSAE538EA8 has 1107 pieces in stock as new original inventory, compared to 910 pieces for the obsolete RJSNEJF8K08.

Q: Do both parts have the same tab direction?

A: Yes. Both parts feature Up and Down tab direction, maintaining mechanical compatibility with existing board layouts.

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