TE Connectivity AMP Connectors 794678-2 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 794678-2 is a rectangular connector header designed for through-hole, right-angle mounting applications. This connector is part of the Micro MATE-N-LOK series and features a 2-position, 2-row configuration with shrouded 4-wall design for board-to-cable/wire connections. The main part number 794678-2 is classified as obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this connector specification.

Substiute Parts

794678-2

TE Connectivity AMP ConnectorsIn Stock: 1114794678-2 Datasheet

Current PartRFQ

3-794678-2

TE Connectivity AMP ConnectorsIn Stock: 10413-794678-2 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of rectangular connector headers is determined by strict equivalence across electrical and mechanical parameters. The substitute part 3-794678-2 is functionally equivalent to the main part 794678-2 based on the following critical parameters:

Electrical Compatibility Parameters:

• Contact type (Male Pin)
• Number of positions (2)
• Number of rows (2)
• Row spacing (0.118" / 3.00mm)
• Voltage rating (250V)
• Operating temperature range (-40°C ~ 105°C)
• Contact material (Brass)
• Contact finish on mating surface (Gold)

Mechanical Compatibility Parameters:

• Connector type (Header)
• Mounting type (Through Hole, Right Angle)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Solder)
• Insulation height (0.290" / 7.37mm)
• Contact shape (Square)
• Insulation material (Polyamide / Nylon)
• Fastening type (Locking Ramp)
• Board lock feature

Regulatory Compliance Parameters:

• Material flammability rating (UL94 V-0)
• Moisture sensitivity level (MSL 1 - Unlimited)

The substitute part 3-794678-2 maintains full compatibility across all specified electrical and mechanical parameters. The primary distinction is product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

The substitute part 3-794678-2 is the direct equivalent for the obsolete part number 794678-2. Selection of the substitute part is based on the following engineering criteria:

Product Status Consideration: The main part 794678-2 carries obsolete product status, indicating discontinued manufacturing and limited availability. The substitute part 3-794678-2 maintains active product status, ensuring ongoing supply chain support and manufacturing continuity.

Regulatory Compliance: The substitute part 3-794678-2 is RoHS compliant, whereas the main part 794678-2 is RoHS non-compliant. This compliance improvement reflects current environmental and regulatory standards applicable to electronic components. The substitute part achieves this compliance while maintaining identical electrical and mechanical specifications.

Contact Finish Specification: The main part features Tin-Lead post finish, while the substitute part features Tin post finish. Both finishes are compatible with solder termination processes and maintain equivalent electrical performance. The Tin finish in the substitute part aligns with RoHS compliance requirements.

Packaging and Availability: The substitute part 3-794678-2 is supplied in tray packaging with 1022 pieces in current inventory, providing immediate availability. The main part 794678-2 has 1100 pieces in inventory but carries obsolete status.

Functional Equivalence: All critical electrical and mechanical parameters remain identical between the main part and substitute part, including connector configuration, contact specifications, operating temperature range, voltage rating, and mechanical mounting characteristics. Direct substitution is supported without design modification.

Frequently Asked Questions (FAQ)

Q: Can 3-794678-2 be used as a direct replacement for 794678-2 in existing designs?

A: Yes. The substitute part 3-794678-2 is functionally equivalent to 794678-2 across all electrical and mechanical parameters. Both parts feature identical connector type, contact configuration, mounting specifications, and operating characteristics. Direct substitution is supported without design modification.

Q: What is the difference between the Tin-Lead finish on 794678-2 and the Tin finish on 3-794678-2?

A: Both finishes are compatible with solder termination processes and provide equivalent electrical performance. The Tin finish on the substitute part reflects RoHS compliance requirements. The change from Tin-Lead to Tin does not affect functional compatibility or electrical characteristics.

Q: Why is 794678-2 listed as obsolete?

A: The main part 794678-2 carries obsolete product status, indicating discontinued manufacturing. The substitute part 3-794678-2 maintains active product status and is the current production equivalent, ensuring ongoing supply chain availability and support.

Q: Are the row spacing and position configurations identical between both parts?

A: Yes. Both parts feature identical 2-position, 2-row configuration with 0.118" (3.00mm) row spacing. The connector geometry, shrouding design, and mounting orientation are identical, ensuring mechanical and electrical compatibility.

Q: What is the significance of RoHS compliance on the substitute part?

A: The substitute part 3-794678-2 is RoHS compliant, meeting current environmental and regulatory standards for electronic components. The main part 794678-2 is RoHS non-compliant. For applications subject to RoHS requirements, the substitute part is the appropriate selection.

Q: Are both parts suitable for the same operating temperature range?

A: Yes. Both parts operate across the identical temperature range of -40°C to 105°C. Thermal performance and reliability characteristics are equivalent.

Q: What packaging format is used for the substitute part?

A: The substitute part 3-794678-2 is supplied in tray packaging. The main part 794678-2 packaging format is not specified in the available documentation.

Q: Is the voltage rating identical for both parts?

A: Yes. Both parts carry a 250V voltage rating. Electrical insulation and dielectric specifications are identical.

Q: Can these parts be intermixed in the same assembly?

A: Yes. The parts are mechanically and electrically interchangeable. Both feature identical connector geometry, contact specifications, and mounting characteristics, supporting mixed-lot assembly without compatibility issues.

Q: What is the current inventory status for each part?

A: The main part 794678-2 has 1100 pieces in inventory but carries obsolete status. The substitute part 3-794678-2 has 1022 pieces in inventory and maintains active product status, providing ongoing supply chain support.