TE Connectivity 7-146273-5 Rectangular Connector Header Equivalent & Substitute Parts

Part Overview

The TE Connectivity 7-146273-5 is a vertical rectangular connector header manufactured under the AMPMODU Mod II series. This through-hole connector accommodates 50 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing. The connector features male pin contacts with kinked pin solder termination and push-pull fastening, designed for board-to-board or cable interconnection applications.

The 7-146273-5 carries an obsolete product status. Identification of equivalent substitute parts is necessary to support ongoing maintenance, repair, and production requirements where this connector type remains functionally required but original inventory becomes depleted or unavailable.

Substiute Parts

7-146273-5

TE Connectivity AMP ConnectorsIn Stock: 10177-146273-5 Datasheet

Current PartRFQ

7-146261-5

TE Connectivity AMP ConnectorsIn Stock: 10187-146261-5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 7-146273-5 is determined by strict equivalence across the following critical parameters:

Mechanical Compatibility:

• Connector type classification (Header, Breakaway)
• Contact type (Male Pin)
• Position count (50 positions)
• Row configuration (2 rows)
• Mating pitch (0.100" / 2.54mm)
• Row spacing (0.100" / 2.54mm)
• Mounting method (Through Hole)
• Fastening mechanism (Push-Pull)

Electrical Compatibility:

• Contact finish specifications (Gold mating surface, Tin post finish)
• Current rating (3A)
• Operating temperature range (-65°C ~ 105°C)
• Insulation material (Liquid Crystal Polymer)
• Flammability rating (UL94 V-0)

Regulatory Compliance:

• RoHS compliance status
• ECCN classification (EAR99)
• HTSUS code (8536.69.4040)

The substitute part 7-146261-5 maintains equivalence across all critical parameters with one documented difference: termination method. The main part features kinked pin solder termination, while the substitute features standard solder termination. Both termination methods are solder-based and compatible with identical PCB footprints and assembly processes.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: TE Connectivity 7-146261-5

The 7-146261-5 is the manufacturer-recommended substitute for the obsolete 7-146273-5. This part maintains full mechanical and electrical compatibility across all critical parameters required for direct substitution in existing applications.

Compliance and Status Advantages:

The substitute part carries an active product status, ensuring continued availability, manufacturing support, and compliance with current regulatory requirements. Both parts are classified under ECCN EAR99 and share identical HTSUS coding (8536.69.4040), confirming regulatory equivalence for export and import purposes.

Termination Method Consideration:

The primary difference between these parts is the termination specification. The 7-146273-5 features kinked pin solder termination, while the 7-146261-5 uses standard solder termination. Both termination methods are solder-based and produce identical PCB footprints and electrical connections. The kinked pin design in the original part provides mechanical retention during assembly; the standard solder termination in the substitute achieves equivalent mechanical and electrical performance through standard soldering processes.

Inventory and Availability:

Current inventory status shows 908 units of the substitute part 7-146261-5 available as new original stock, compared to 964 units of the obsolete 7-146273-5. The active product status of the substitute ensures long-term procurement viability.

Frequently Asked Questions (FAQ)

Q: Can the 7-146261-5 directly replace the 7-146273-5 in existing designs?

A: Yes. The 7-146261-5 maintains identical mechanical dimensions, electrical ratings, contact configurations, and PCB footprints. The connector will mate with existing mating connectors and occupy the same board space without design modification.

Q: What is the difference between kinked pin and standard solder termination?

A: Kinked pin termination includes a mechanical bend in the pin post that provides additional retention during assembly. Standard solder termination uses a straight pin post. Both methods produce equivalent mechanical strength and electrical performance after soldering. The kinked design may provide marginal assembly handling benefits but does not affect final electrical or mechanical performance.

Q: Are the operating temperature ranges identical?

A: Yes. Both parts operate across the identical temperature range of -65°C to 105°C, maintaining full electrical and mechanical specifications throughout this range.

Q: Do both parts meet the same regulatory requirements?

A: Both parts carry identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications. The main part is confirmed RoHS Compliant. The substitute part does not specify RoHS status in the provided data; however, as an active product from the same manufacturer in the same series, it is expected to meet current RoHS requirements.

Q: What is the current rating for these connectors?

A: Both parts are rated for 3A continuous current per contact. This rating applies across the full operating temperature range of -65°C to 105°C.

Q: Are the contact finishes identical?

A: Yes. Both parts feature gold-plated mating contacts (30.0µin / 0.76µm thickness) and tin-plated post contacts (100.0µin / 2.54µm thickness). Contact material is copper alloy in both cases.

Q: What is the pitch spacing for these connectors?

A: Both parts feature 0.100" (2.54mm) mating pitch with 0.100" (2.54mm) row spacing. This standard spacing is compatible with 0.1" grid PCB layouts.

Q: How many positions and rows does this connector accommodate?

A: Both parts accommodate 50 total positions arranged in 2 rows, with all positions loaded. This configuration provides 25 positions per row.

Q: What mounting method is used?

A: Both parts use through-hole mounting with kinked or standard solder pin termination for permanent PCB attachment. No additional fasteners or mechanical mounting hardware is required.

Q: Is the insulation material the same?

A: Yes. Both parts use Liquid Crystal Polymer (LCP) insulation material with UL94 V-0 flammability rating and black insulation color.