TE Connectivity AMP Connectors 794634-4 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 794634-4 is a rectangular connector header designed for surface mount applications. This connector is a 4-position, 2-row Micro MATE-N-LOK series header with 0.118" (3.00mm) pitch spacing, featuring shrouded 4-wall construction and solder termination. The part is classified as obsolete, making identification of equivalent and substitute components necessary for ongoing design support, maintenance, and production continuity.

Substiute Parts

794634-4

TE Connectivity AMP ConnectorsIn Stock: 1073794634-4 Datasheet

Current PartRFQ

3-794634-4

TE Connectivity AMP ConnectorsIn Stock: 10793-794634-4 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of rectangular connector headers is determined by strict equivalence across electrical and mechanical parameters. The primary criteria for substitution of the 794634-4 are:

Electrical Parameters:

• Voltage rating of 250V
• Operating temperature range of -40°C to 105°C
• Current rating capability (varies by wire gauge)

Mechanical Parameters:

• 4-position, 2-row configuration
• 0.118" (3.00mm) mating pitch
• 0.118" (3.00mm) row spacing
• Surface mount mounting type
• Shrouded 4-wall construction
• Solder termination method
• Locking ramp fastening type

Material & Construction Parameters:

• Brass contact material
• Gold mating contact finish (15.0µin / 0.38µm)
• Tin or Tin-Lead post contact finish (100.0µin / 2.54µm)
• Polyamide (PA) nylon insulation material
• Black insulation color
• UL94 V-0 flammability rating

The substitute part 3-794634-4 maintains full equivalence across all electrical and mechanical parameters while differing only in packaging format and product status.

Parameter Comparison

Engineering Selection Recommendations

The 794634-4 is classified as obsolete, making the active substitute part 3-794634-4 the appropriate selection for new designs and ongoing production requirements.

Primary Recommendation: 3-794634-4

The substitute part 3-794634-4 provides complete functional and mechanical equivalence to the 794634-4 across all critical electrical and mechanical parameters. Key advantages of the substitute include:

• Active Product Status: The 3-794634-4 is an active product with confirmed inventory availability (1044 pieces in stock), ensuring supply chain continuity and long-term availability.

• RoHS Compliance: The substitute part carries RoHS Compliant certification, meeting current regulatory requirements for restricted substances in electrical and electronic equipment. The main part lists RoHS status as "Not applicable," indicating it predates RoHS requirements.

• Contact Finish Specification: The substitute part specifies Tin post contact finish, compared to Tin-Lead in the main part. Both finishes meet the 100.0µin (2.54µm) thickness specification and are compatible with solder termination processes.

• Packaging Format: The substitute is supplied in Tape & Reel (TR) format, suitable for automated assembly and pick-and-place operations. The main part is supplied in bulk packaging.

• Electrical and Mechanical Equivalence: All critical parameters remain identical, including 4-position 2-row configuration, 0.118" (3.00mm) pitch, 250V voltage rating, -40°C to 105°C operating temperature range, UL94 V-0 flammability rating, and shrouded 4-wall construction.

Frequently Asked Questions (FAQ)

Q: Can the 3-794634-4 be used as a direct replacement for the 794634-4 in existing designs?

A: Yes. The 3-794634-4 is a direct substitute with identical electrical and mechanical specifications. All critical parameters including connector type, position count, pitch spacing, voltage rating, operating temperature range, and mounting configuration are equivalent. The parts are mechanically and electrically interchangeable.

Q: What is the difference between the Tin-Lead finish on the 794634-4 and the Tin finish on the 3-794634-4?

A: Both finishes meet the same thickness specification of 100.0µin (2.54µm) for post contact finish. The Tin finish on the substitute part reflects current manufacturing standards and RoHS compliance requirements. Both finishes are compatible with solder termination processes and provide equivalent performance in general purpose applications.

Q: Why is the 794634-4 listed as obsolete?

A: The 794634-4 is an older product that has been superseded by the active 3-794634-4. The substitute part offers the same functionality with improved compliance status (RoHS Compliant) and active product support.

Q: Does the packaging difference between bulk and Tape & Reel affect compatibility?

A: No. Packaging format does not affect electrical or mechanical compatibility. The Tape & Reel format of the 3-794634-4 is optimized for automated assembly processes, while the bulk packaging of the 794634-4 was suited for manual assembly. The connector specifications and performance remain identical regardless of packaging format.

Q: Are there any restrictions on using the 3-794634-4 in applications previously designed for the 794634-4?

A: No restrictions apply. The 3-794634-4 maintains full compatibility across all electrical, mechanical, and environmental parameters. The RoHS Compliant status of the substitute part actually expands its applicability to markets and applications with RoHS requirements.

Q: What is the Moisture Sensitivity Level (MSL) for both parts?

A: Both the 794634-4 and 3-794634-4 carry an MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions. These parts do not require special moisture control handling during storage or assembly.

Q: Can the 3-794634-4 be used in the same PCB footprint as the 794634-4?

A: Yes. Both parts share identical mechanical dimensions, including insulation height of 0.364" (9.25mm), contact spacing of 0.118" (3.00mm), and surface mount configuration. The PCB footprint and assembly process remain unchanged.