TE Connectivity 147279-4 Rectangular Connector Header: Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 147279-4 is a surface mount rectangular connector header designed for board-to-board or cable applications. This component is a 4-position, 2-row header with 0.100" (2.54mm) pitch spacing, featuring male pin contacts with gold-plated mating surfaces and tin-lead post finishes. The part is classified as obsolete, which necessitates identification of active equivalent alternatives to maintain design continuity and ensure supply chain availability for new production and repair applications.

Substiute Parts

147279-4

TE Connectivity AMP ConnectorsIn Stock: 894147279-4 Datasheet

Current PartRFQ

5-147279-4

TE Connectivity AMP ConnectorsIn Stock: 7735-147279-4 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete TE Connectivity 147279-4 is determined by strict equivalence across the following critical parameters:

Mechanical Compatibility:

• Connector type (Header, Breakaway)
• Number of positions (4)
• Number of rows (2)
• Pitch spacing (0.100" / 2.54mm mating pitch and row spacing)
• Mounting type (Surface Mount)
• Contact shape (Square)
• Insulation material (Liquid Crystal Polymer)

Electrical Compatibility:

• Contact type (Male Pin)
• Contact finish on mating surface (Gold)
• Contact material (Copper Alloy)
• Termination method (Solder)

Regulatory & Environmental:

• RoHS Compliance status
• Moisture Sensitivity Level (MSL 1)
• ECCN classification (EAR99)
• HTSUS code (8536.69.4040)

The substitute part 5-147279-4 maintains full equivalence across all specified parameters, with the primary distinction being product status (Active versus Obsolete) and packaging format (Cut Tape versus unspecified original packaging).

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 5-147279-4 is the direct equivalent substitute for the obsolete 147279-4 rectangular connector header. Selection of the substitute part is based on the following engineering criteria:

Product Status: The original 147279-4 is classified as obsolete, creating supply chain risk for ongoing production and field service applications. The 5-147279-4 maintains active product status with TE Connectivity, ensuring continued availability and manufacturing support.

Regulatory Compliance: Both parts maintain identical RoHS compliance status and carry the same ECCN (EAR99) and HTSUS classifications, confirming regulatory equivalence for procurement and export purposes.

Functional Equivalence: All critical mechanical and electrical parameters are identical between the main part and substitute, including connector geometry, contact configuration, pitch spacing, mounting method, and contact materials. The contact finish on the post changes from tin-lead to tin, which is functionally equivalent and represents a standard industry transition aligned with RoHS requirements.

Environmental Classification: Both parts carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no special storage or handling requirements and full compatibility with standard manufacturing processes.

Packaging Consideration: The substitute part is supplied in Cut Tape (CT) packaging, which is standard for surface mount components and compatible with automated pick-and-place assembly equipment.

Frequently Asked Questions (FAQ)

Q: Can the 5-147279-4 be used as a direct replacement for the 147279-4 in existing designs?

A: Yes. The 5-147279-4 is a direct functional equivalent with identical mechanical and electrical specifications. All critical parameters including pitch spacing, contact configuration, mounting type, and contact materials are identical. The part can be substituted without design modification.

Q: What is the difference between the tin-lead post finish on the original part and the tin post finish on the substitute?

A: Both finishes provide equivalent solderability and electrical performance. The change from tin-lead to tin reflects industry-wide transition to lead-free materials and is fully compatible with standard solder reflow processes. The contact finish thickness remains identical at 100.0µin (2.54µm).

Q: Are there any supply chain advantages to using the 5-147279-4?

A: Yes. The 5-147279-4 carries active product status with TE Connectivity, ensuring ongoing manufacturing support and availability. The original 147279-4 is obsolete and subject to supply discontinuation. Current inventory of the substitute part is 710 pieces in stock.

Q: Does the Cut Tape (CT) packaging of the 5-147279-4 affect compatibility with assembly equipment?

A: No. Cut Tape packaging is standard for surface mount connectors and is fully compatible with automated pick-and-place assembly systems. This packaging format is preferred for high-volume production applications.

Q: Are the RoHS and regulatory classifications identical between the two parts?

A: Yes. Both parts are RoHS Compliant, carry the same ECCN classification (EAR99), and share the identical HTSUS code (8536.69.4040). No regulatory or compliance differences exist between the parts.

Q: What is the moisture sensitivity level for both parts?

A: Both the 147279-4 and 5-147279-4 carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity concerns. Standard storage and handling procedures are sufficient; no special desiccant packaging or baking procedures are required.

Q: Can the 5-147279-4 be used in applications requiring the exact tin-lead post finish specification?

A: The tin post finish on the 5-147279-4 is functionally equivalent to the tin-lead finish on the original part for all standard soldering and electrical applications. If the design specifically requires tin-lead for documented technical reasons, this requirement should be reviewed with the design engineering team, as tin finishes are now industry standard.