SS-668804S-A-PG4-AC Modular Connector Jack Equivalent & Substitute Parts

Part Overview

The SS-668804S-A-PG4-AC is an active modular connector jack manufactured by Stewart Connector, designed for 8p8c (RJ45, Ethernet) applications. This shielded, right-angle jack connector features through-hole solder termination with EMI finger shielding and board guide support. The part is actively produced and stocked, with 852 units available in bulk packaging. Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, supply chain considerations, or design flexibility within the allowed parameter range.

Substiute Parts

SS-668804S-A-PG4-AC

Stewart ConnectorIn Stock: 868SS-668804S-A-PG4-AC Datasheet

Current PartRFQ

5406275-3

TE Connectivity AMP ConnectorsIn Stock: 15165406275-3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SS-668804S-A-PG4-AC is determined by strict alignment of the following critical parameters:

• Connector type: Jack
• Contact configuration: 8p8c (RJ45, Ethernet)
• Port count: 4
• Orientation: 90° Angle (Right)
• Mounting method: Through Hole
• Termination method: Solder
• Shielding configuration: Shielded with EMI Finger
• Operating temperature range: -40°C ~ 85°C
• Regulatory compliance: ROHS3 Compliant

The substitute part 5406275-3 (TE Connectivity AMP Connectors) meets all critical electrical and mechanical parameters. Variations in contact material (Phosphor Bronze vs. Copper Alloy), contact finish thickness (50.0µin vs. 30.0µin), housing material (Polyamide/Nylon vs. Thermoplastic), and packaging format (Tray vs. Bulk) do not affect functional interchangeability within the specified parameter constraints.

Parameter Comparison

Engineering Selection Recommendations

Both the SS-668804S-A-PG4-AC and 5406275-3 are active products with ROHS3 compliance and identical regulatory classifications (ECCN: EAR99, HTSUS: 8536.69.4040). Selection between these parts should be based on:

• Inventory availability and lead time requirements
• Packaging format preference (Bulk vs. Tray)
• Contact material specification (Copper Alloy vs. Phosphor Bronze)
• Contact finish thickness tolerance (30.0µin vs. 50.0µin)
• Housing material compatibility with assembly processes (Thermoplastic vs. Polyamide/Nylon)

Both parts satisfy the core electrical and mechanical requirements for 8p8c shielded modular jack applications with right-angle through-hole solder termination.

Frequently Asked Questions (FAQ)

Q: Can 5406275-3 be used as a direct replacement for SS-668804S-A-PG4-AC?

A: Yes. Both connectors meet the critical substitution parameters: 8p8c (RJ45, Ethernet) jack configuration, 4-port right-angle orientation, through-hole solder termination, shielded EMI finger design, and identical operating temperature range (-40°C ~ 85°C). Both are ROHS3 compliant and active products.

Q: What are the differences between these two parts?

A: Differences exist in contact material (Copper Alloy vs. Phosphor Bronze), contact finish thickness (30.0µin vs. 50.0µin), housing material (Thermoplastic vs. Polyamide/Nylon), and packaging format (Bulk vs. Tray). These variations do not affect functional interchangeability for standard 8p8c Ethernet applications.

Q: Does packaging format affect compatibility?

A: No. Packaging format (Bulk vs. Tray) is a supply chain and handling consideration only. It does not affect the electrical or mechanical performance of the connector itself.

Q: Are both parts suitable for Cat5 Ethernet applications?

A: The 5406275-3 is explicitly rated for Cat5. The SS-668804S-A-PG4-AC does not specify a category rating in the provided data. Both meet the physical and electrical requirements for standard 8p8c modular jack applications.

Q: What is the significance of contact finish thickness?

A: Contact finish thickness (30.0µin vs. 50.0µin) affects durability and wear resistance during mating cycles. The thicker finish (50.0µin on 5406275-3) provides extended contact life in high-cycle applications. Both finishes are gold and suitable for standard Ethernet connector use.

Q: Are there any compliance or regulatory differences?

A: No. Both parts are ROHS3 compliant, carry identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications, and have MSL rating of 1 (Unlimited). Regulatory status is equivalent.