2459751-1 ELSFP Connector Assembly Specifications and Applications

ElecSuppliers Part Number GuideSep 26, 2026

2459751-1 is an ELSFP connector assembly from TE Connectivity designed for board-level interconnection applications. The part is listed as a rectangular connector housing and is associated with TE Connectivity's ELSFP connector product family.

The connector assembly is designed for PCB applications where a compact and reliable interconnection between mating connector elements and a circuit board is required. Its construction and contact arrangement are intended to support electrical connection while maintaining mechanical stability during assembly and operation.

2459751-1 Key Specifications

2459751-1 uses a black LCP housing material with copper alloy contacts. The contact area uses gold plating, while the press-fit pin area uses a matte tin finish over a nickel underplate.

The design includes contacts with two shorted pins per contact according to the manufacturer's drawing. The connector is intended for PCB mounting and has specific board thickness requirements that should be considered during mechanical design.

The part is RoHS compliant and is supplied as a TE Connectivity product under the AMP brand family.

2459751-1 Connector Design

The 2459751-1 connector assembly uses a compact connector structure intended for integration into electronic equipment. The LCP housing provides mechanical support and electrical insulation around the contacts.

The copper alloy contacts provide the conductive path between the connector and PCB. Gold plating on the contact area helps provide a suitable mating interface, while the tin-plated press-fit section is designed for PCB connection.

The manufacturer's drawing should be used for exact dimensions, tolerances, contact positions, and PCB layout requirements.

2459751-1 PCB Mounting Considerations

PCB thickness is an important consideration when using 2459751-1. Available product information specifies minimum PCB thickness requirements for different board constructions.

The connector footprint should be designed according to the manufacturer's controlled drawing rather than relying only on general connector dimensions. Hole locations, contact spacing, mechanical clearances, and board thickness should all be verified before PCB production.

Mechanical alignment is also important because connector housings and press-fit contacts need to be positioned correctly during assembly.

2459751-1 Applications

2459751-1 can be used in electronic equipment that requires board-mounted connector assemblies and compact interconnection solutions. Potential applications include communications equipment, industrial electronics, embedded systems, networking equipment, and other PCB-based systems requiring reliable connector interfaces.

The actual application should be evaluated against the connector's electrical, mechanical, environmental, and mating requirements.

2459751-1 Electrical and Mechanical Considerations

When designing around 2459751-1, engineers should verify the complete electrical specifications of the connector system, including current requirements, contact configuration, mating interface, and PCB connection method.

Mechanical requirements should also be checked carefully. The connector's dimensions, PCB thickness, mounting structure, and mating alignment can affect assembly reliability.

Because the part uses a specific ELSFP connector configuration, replacement with a visually similar connector should not be assumed to provide the same electrical or mechanical compatibility.

2459751-1 Sourcing Considerations

When sourcing 2459751-1, buyers should specify the complete manufacturer part number and TE Connectivity as the manufacturer. The exact part number is important because connector assemblies can have closely related versions with different contact arrangements, dimensions, or mounting configurations.

Procurement teams should also confirm current availability, manufacturer lead time, packaging requirements, RoHS compliance, and production status before placing volume orders.

For PCB production, it is recommended to verify the latest manufacturer drawing and approved footprint before releasing the connector for mass production.