SS-718802S-A-NF Equivalent & Substitute Parts

Part Overview

The SS-718802S-A-NF is a modular jack connector manufactured by Stewart Connector, designed for 8p8c (RJ45, Ethernet) applications with 90° right-angle orientation and shielded construction rated for Cat5e performance. This connector features through-hole solder termination with board guide support and operates across -40°C to 85°C. The part is currently listed as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs.

Substiute Parts

SS-718802S-A-NF

Stewart ConnectorIn Stock: 944SS-718802S-A-NF Datasheet

Current PartRFQ

5406443-1

TE Connectivity AMP ConnectorsIn Stock: 22955406443-1 Datasheet

DirectRFQ

1688599

Phoenix ContactIn Stock: 7561688599 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SS-718802S-A-NF is determined by strict alignment with the following core parameters:

• Connector type: Jack
• Contact configuration: 8p8c (RJ45, Ethernet)
• Port count: 2
• Orientation: 90° right-angle
• Mounting: Through hole
• Termination: Solder
• Shielding: Shielded
• Board guide feature: Present
• Tab direction: Down
• Operating temperature range: -40°C ~ 85°C
• Contact finish: Gold

The identified substitutes meet these criteria. Variations in contact material (copper alloy vs. phosphor bronze), contact finish thickness, housing material composition, and performance ratings (Cat5 vs. Cat5e) do not preclude substitution when the core mechanical and electrical interface parameters align.

Parameter Comparison

Engineering Selection Recommendations

5406443-1 (TE Connectivity AMP Connectors) is the primary substitute option. This part is currently in active product status with ROHS3 compliance certification and higher contact finish thickness (50.0µin vs. 30.0µin), providing enhanced durability. Inventory availability is substantial at 2200 pieces. The Cat5 performance rating is functionally compatible with Cat5e applications within standard operating parameters.

1688599 (Phoenix Contact) serves as a secondary substitute. This part maintains Cat5e performance rating matching the original specification and includes IP20 ingress protection. However, it carries obsolete product status similar to the original part. Contact finish thickness is not specified. Inventory is available at 686 pieces.

Both substitutes maintain identical mechanical interfaces, electrical contact configuration, and thermal operating ranges. Selection between them should prioritize 5406443-1 for new designs and long-term supply continuity due to active product status and compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can 5406443-1 replace SS-718802S-A-NF in existing designs? A: Yes. Both connectors share identical mechanical mounting, contact configuration (8p8c), orientation (90° right-angle), termination method (solder), and operating temperature range (-40°C to 85°C). The through-hole footprint and board guide features are equivalent.

Q: What is the difference between Cat5 and Cat5e ratings? A: Cat5e provides higher bandwidth and lower crosstalk specifications than Cat5. Both ratings are suitable for standard Ethernet applications. The 5406443-1 Cat5 rating is functionally compatible with Cat5e system requirements.

Q: Does the higher contact finish thickness on 5406443-1 affect compatibility? A: No. Contact finish thickness (50.0µin on 5406443-1 vs. 30.0µin on SS-718802S-A-NF) does not affect mechanical fit or electrical interface. Thicker plating provides extended contact life and improved corrosion resistance.

Q: Why is 5406443-1 preferred over 1688599? A: 5406443-1 maintains active product status with ROHS3 compliance certification and superior inventory availability (2200 vs. 686 pieces), ensuring long-term supply security and design continuity.

Q: Are there packaging differences between substitutes? A: Yes. 5406443-1 is supplied in tray packaging, while 1688599 is supplied in bulk packaging. Verify packaging requirements for your procurement and assembly processes.

Q: Do all three connectors have identical PCB footprints? A: Yes. All three parts share identical through-hole mounting specifications, board guide positioning, and solder termination points, enabling direct PCB layout compatibility.