NKPLG-F Equivalent & Substitute Parts

Part Overview

The NKPLG-F is a modular connector plug manufactured by Panduit Corp, designed for 8-position 8-contact (8p8c) RJ45 Ethernet applications. This unshielded Cat5e connector features IDC (Insulation Displacement Contact) termination and accommodates flat oval or round cable with solid or stranded wires in the 24-26 AWG range. The NKPLG-F is classified as obsolete and is no longer in active production. Due to its obsolete status, equivalent substitute parts are necessary to maintain system compatibility and ensure continued availability for replacement and new installations.

Substiute Parts

NKPLG-F

Panduit CorpIn Stock: 1089NKPLG-F Datasheet

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MP588-M

Panduit CorpIn Stock: 10970MP588-M Datasheet

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SP688-C

Panduit CorpIn Stock: 1514SP688-C Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NKPLG-F are determined by compatibility across the following critical parameters: connector type (plug), contact configuration (8p8c RJ45), termination method (IDC), shielding type (unshielded), contact material and finish (phosphor bronze with gold plating), and cable accommodation specifications (flat oval or round cable, solid or stranded wires).

The NKPLG-F operates within the Cat5e performance category. Substitute parts must maintain the same fundamental electrical and mechanical interface characteristics to ensure direct compatibility with existing cable assemblies and network infrastructure.

Two active substitute parts are identified:

MP588-M maintains identical specifications to the NKPLG-F across all critical parameters, including Cat5e rating, 24-26 AWG wire gauge, and 0.902" length. This part represents a direct functional equivalent from Panduit's active Pan-Plug® series.

SP688-C provides substitution with the following parameter variations: Cat6 rating (versus Cat5e), 23-24 AWG wire gauge (versus 24-26 AWG), and 1.600" length (versus 0.902"). This part includes strain relief and operates within the higher-performance Cat6 category.

Parameter Comparison

Engineering Selection Recommendations

MP588-M is the primary substitute for the NKPLG-F. This part maintains identical electrical and mechanical specifications, including Cat5e performance rating, 24-26 AWG wire gauge compatibility, and 0.902" connector length. Both parts accommodate flat oval or round cable with solid or stranded wires. The MP588-M is manufactured by Panduit Corp and holds active product status with ROHS3 compliance, ensuring long-term availability and regulatory alignment. The housing material differs (thermoplastic versus polycarbonate), but this does not affect functional compatibility. The MP588-M includes snagless features and is available in significantly higher inventory quantities.

SP688-C serves as an alternative substitute when Cat6 performance capability is required or acceptable. This part operates at a higher performance category (Cat6 versus Cat5e) and includes strain relief features. The SP688-C accommodates 23-24 AWG wire gauge and features a longer connector body (1.600" versus 0.902"). Cable type accommodation is limited to flat oval cable. The SP688-C is suitable for applications where enhanced performance margins and mechanical strain protection are beneficial. Both substitute parts maintain identical contact material (phosphor bronze) and finish (gold plating) specifications.

Selection between MP588-M and SP688-C depends on application requirements: MP588-M for direct functional equivalence and Cat5e applications; SP688-C for Cat6 performance capability and strain relief requirements.

Frequently Asked Questions (FAQ)

Q: Can MP588-M directly replace NKPLG-F in existing installations?

A: Yes. The MP588-M maintains identical specifications for connector type (8p8c RJ45 plug), termination method (IDC), shielding (unshielded), wire gauge (24-26 AWG), performance rating (Cat5e), contact material and finish, and connector length (0.902"). Direct substitution is supported for applications using flat oval or round cable with solid or stranded wires.

Q: What are the key differences between MP588-M and SP688-C?

A: MP588-M matches the NKPLG-F across all specifications. SP688-C differs in three parameters: performance rating (Cat6 versus Cat5e), wire gauge (23-24 AWG versus 24-26 AWG), and connector length (1.600" versus 0.902"). SP688-C also includes strain relief and accepts flat oval cable only. Both parts maintain identical contact material, finish, and IDC termination method.

Q: Is the housing material difference between NKPLG-F (polycarbonate) and MP588-M (thermoplastic) significant?

A: No. Both materials provide equivalent mechanical protection and electrical performance for this connector application. The thermoplastic housing in MP588-M does not affect functional compatibility or electrical characteristics.

Q: Can SP688-C be used in Cat5e applications?

A: Yes. SP688-C is rated for Cat6 performance, which exceeds Cat5e requirements. The part is mechanically and electrically compatible with Cat5e cable and infrastructure. However, the longer connector body (1.600" versus 0.902") and different wire gauge range (23-24 AWG versus 24-26 AWG) must be considered for physical fit and cable compatibility.

Q: What is the significance of the snagless feature in MP588-M?

A: The snagless feature in MP588-M provides mechanical protection to the connector latch during insertion and removal. This feature is not present in the NKPLG-F but does not affect electrical performance or functional compatibility. It represents an enhancement in the active product design.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both MP588-M and SP688-C are ROHS3 compliant, meeting current regulatory requirements. The NKPLG-F is RoHS compliant under the original RoHS directive. All three parts satisfy environmental compliance standards.

Q: What inventory considerations apply to these substitutes?

A: MP588-M is available in significantly higher quantities (10931 Pcs) compared to NKPLG-F (1060 Pcs) and SP688-C (1468 Pcs). For applications requiring sustained supply, MP588-M provides superior availability as an active product from Panduit's current catalog.