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TE Connectivity 557969-1 Modular Connector: Equivalent & Substitute Parts
Part Overview
The TE Connectivity 557969-1 is a Jack Modular Connector with 8p8c (RJ45, Ethernet) configuration, designed for vertical through-hole mounting with shielded construction and EMI finger protection. This connector is rated for Cat3 applications and features board lock and panel stop mechanisms.
The 557969-1 carries an obsolete product status, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement. A direct substitute with active product status is available to ensure continued component availability and compliance with current regulatory requirements.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Connector Type | Jack |
| Number of Positions/Contacts | 8p8c (RJ45, Ethernet) |
| Number of Ports | 1 |
| Number of Rows | 1 |
| Mounting Type | Through Hole |
| Orientation | Vertical |
| Termination | Solder |
| Shielding | Shielded, EMI Finger |
| Ratings | Cat3 |
| Features | Board Lock, Panel Stops |
| Contact Material | Phosphor Bronze |
| Contact Finish | Gold |
| Contact Finish Thickness | 50.0µin (1.27µm) |
| Housing Material | Polyester |
| Operating Temperature Range | -40°C ~ 85°C |
| Tab Direction | User Selectable |
| LED Color | Does Not Contain LED |
Substitute Part Grouping Explanation
Substitution eligibility for the 557969-1 is determined by strict equivalence across all electrical and mechanical parameters. The substitute part must maintain identical specifications in the following critical categories:
Electrical Parameters: Connector type (Jack), contact configuration (8p8c RJ45 Ethernet), port count (1), row count (1), contact material (Phosphor Bronze), contact finish (Gold at 50.0µin thickness), and performance rating (Cat3).
Mechanical Parameters: Mounting type (Through Hole), orientation (Vertical), termination method (Solder), shielding configuration (Shielded with EMI Finger), housing material (Polyester), and mechanical features (Board Lock, Panel Stops).
Environmental Parameters: Operating temperature range (-40°C ~ 85°C), moisture sensitivity level (MSL 1 - Unlimited), and tab direction (User Selectable).
The substitute part 5557969-1 meets all these criteria while offering improved product status and regulatory compliance.
Parameter Comparison
| Parameter | 557969-1 (Main Part) | 5557969-1 (Substitute) | Match Status |
|---|---|---|---|
| Connector Type | Jack | Jack | Identical |
| Number of Positions/Contacts | 8p8c (RJ45, Ethernet) | 8p8c (RJ45, Ethernet) | Identical |
| Number of Ports | 1 | 1 | Identical |
| Number of Rows | 1 | 1 | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Orientation | Vertical | Vertical | Identical |
| Termination | Solder | Solder | Identical |
| Shielding | Shielded, EMI Finger | Shielded, EMI Finger | Identical |
| Ratings | Cat3 | Cat3 | Identical |
| Features | Board Lock, Panel Stops | Board Lock, Panel Stops | Identical |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Identical |
| Contact Finish | Gold | Gold | Identical |
| Contact Finish Thickness | 50.0µin (1.27µm) | 50.0µin (1.27µm) | Identical |
| Housing Material | Polyester | Polyester | Identical |
| Operating Temperature Range | -40°C ~ 85°C | -40°C ~ 85°C | Identical |
| Tab Direction | User Selectable | User Selectable | Identical |
| LED Color | Does Not Contain LED | Does Not Contain LED | Identical |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Identical |
| Product Status | Obsolete | Active | Substitute is Active |
| RoHS Status | RoHS non-compliant | RoHS Compliant | Substitute is Compliant |
| REACH Status | REACH Affected | REACH Unaffected | Substitute is Unaffected |
| Packaging | Not specified | Tray | Substitute specifies Tray |
Engineering Selection Recommendations
The 557969-1 is classified as an obsolete product. The substitute part 5557969-1 provides functional equivalence across all electrical and mechanical parameters while offering significant advantages in product lifecycle and regulatory compliance.
Product Status Consideration: The 5557969-1 maintains active product status, ensuring long-term availability and manufacturer support. This eliminates supply chain risk associated with obsolete components.
Compliance Advantage: The 5557969-1 is RoHS Compliant and REACH Unaffected, whereas the original 557969-1 is RoHS non-compliant and REACH Affected. For applications subject to environmental regulations or customer compliance requirements, the substitute part satisfies current regulatory frameworks.
Functional Equivalence: All electrical and mechanical parameters remain identical between the two parts. Pin configuration, contact characteristics, shielding performance, and mechanical mounting are preserved, ensuring direct compatibility in existing PCB designs and assemblies.
Packaging Consideration: The 5557969-1 is supplied in Tray packaging, which may differ from the original part's packaging specification. Verify packaging requirements for your procurement and assembly processes.
For new designs and ongoing production, the 5557969-1 is the appropriate selection. For legacy systems requiring the exact original part, the 557969-1 remains available in current inventory (1026 pcs) while stock exists.
Frequently Asked Questions (FAQ)
Q: Can the 5557969-1 be used as a direct replacement for the 557969-1 in existing designs?
A: Yes. The 5557969-1 is electrically and mechanically equivalent to the 557969-1 across all specified parameters. PCB footprints, pin assignments, and mechanical mounting are identical. The substitute part functions as a direct replacement without design modification.
Q: What is the difference between the 557969-1 and 5557969-1?
A: The parts are functionally identical in electrical and mechanical specifications. The primary differences are: (1) Product Status—5557969-1 is Active while 557969-1 is Obsolete; (2) RoHS Compliance—5557969-1 is RoHS Compliant while 557969-1 is non-compliant; (3) REACH Status—5557969-1 is REACH Unaffected while 557969-1 is REACH Affected; (4) Packaging—5557969-1 is supplied in Tray format.
Q: Why should I transition from the 557969-1 to the 5557969-1?
A: The 557969-1 is obsolete, creating long-term supply uncertainty. The 5557969-1 offers active product status, ensuring continued availability. Additionally, the substitute part meets current RoHS and REACH regulatory requirements, which may be mandatory for your application or customer base.
Q: Are there any electrical performance differences between these parts?
A: No. Both parts maintain identical Cat3 ratings, contact materials (Phosphor Bronze), contact finish specifications (Gold at 50.0µin), and operating temperature ranges (-40°C ~ 85°C). Electrical performance is equivalent.
Q: Does the packaging difference affect compatibility?
A: Packaging format (Tray vs. unspecified) does not affect component compatibility or performance. Verify that Tray packaging meets your assembly and procurement requirements. Contact your supplier if alternative packaging is needed.
Q: Can I mix 557969-1 and 5557969-1 parts in the same assembly?
A: Yes. Since the parts are electrically and mechanically equivalent, they can be used interchangeably within the same assembly or production batch without functional impact.
Q: Is the 557969-1 still available for purchase?
A: Current inventory shows 1026 pcs of the 557969-1 in stock. However, as an obsolete product, future availability is not guaranteed. The 5557969-1 has significantly higher inventory (9942 pcs) and active product status, ensuring reliable long-term supply.
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