TE Connectivity 7-146273-2 Rectangular Connector Header: Equivalent & Substitute Parts

Part Overview

The TE Connectivity 7-146273-2 is a vertical rectangular connector header manufactured under the AMPMODU Mod II series. This through-hole component features 44 positions arranged in 2 rows with 0.100" (2.54mm) pitch spacing, designed for board-to-board or cable interconnection applications. The connector utilizes male pins with kinked pin solder termination and push-pull fastening.

The 7-146273-2 carries an obsolete product status. Identification of equivalent substitute components is necessary to support ongoing maintenance, repair, and production requirements for legacy systems utilizing this connector specification.

Substiute Parts

7-146273-2

TE Connectivity AMP ConnectorsIn Stock: 11317-146273-2 Datasheet

Current PartRFQ

7-146261-2

TE Connectivity AMP ConnectorsIn Stock: 10547-146261-2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TE Connectivity 7-146273-2 is determined by strict equivalence across the following critical parameters:

Mechanical Compatibility:

• Connector type classification (Header, Breakaway)
• Contact type (Male Pin)
• Position count (44 positions)
• Row configuration (2 rows)
• Pitch spacing (0.100" / 2.54mm mating pitch and row spacing)
• Mounting method (Through Hole)
• Fastening mechanism (Push-Pull)

Electrical & Environmental Compliance:

• Operating temperature range (-65°C to 105°C)
• Current rating (3A)
• Material flammability rating (UL94 V-0)
• RoHS compliance status

Contact & Termination Specifications:

• Contact material (Copper Alloy)
• Contact finish (Gold on mating surface; Tin on post)
• Insulation material (Liquid Crystal Polymer)

Substitute parts must maintain identical values across all listed parameters to ensure direct functional equivalence without design modification or system re-qualification.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 7-146261-2 serves as the direct functional equivalent to the obsolete 7-146273-2 rectangular connector header. Both components share identical electrical, mechanical, and environmental specifications within the AMPMODU Mod II series.

The primary distinction between these parts is product status: the 7-146273-2 is classified as obsolete, while the 7-146261-2 maintains active production status. The termination specification differs slightly—the main part specifies kinked pin solder termination, while the substitute specifies standard solder termination. This difference does not affect functional compatibility, as both termination methods achieve equivalent solder joint performance in through-hole applications.

The 7-146261-2 is RoHS compliant and carries UL94 V-0 flammability certification, meeting the same regulatory and safety requirements as the original component. Current inventory availability of 1031 pieces supports immediate procurement for replacement applications.

Selection of the 7-146261-2 as a substitute eliminates obsolescence risk while maintaining full electrical and mechanical compatibility with existing board designs and mating connectors.

Frequently Asked Questions (FAQ)

Q: Can the 7-146261-2 be used as a direct replacement for the 7-146273-2 without PCB modification?

A: Yes. Both connectors share identical pitch spacing (0.100" / 2.54mm), position count (44), row configuration (2 rows), mounting type (through hole), and overall contact dimensions. No PCB layout changes are required.

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

A: Both termination methods are solder-based and produce equivalent mechanical and electrical joints in through-hole applications. The kinked pin design in the original part provides additional mechanical retention during assembly. The standard solder termination in the substitute achieves the same final connection quality. This difference does not affect functional performance or reliability.

Q: Are there any compliance or certification differences between these parts?

A: Both parts are RoHS compliant and carry UL94 V-0 flammability ratings. No compliance gaps exist between the main part and substitute.

Q: Why is the 7-146273-2 listed as obsolete?

A: Obsolescence status indicates the manufacturer has discontinued production of this specific part number. The 7-146261-2 represents the active production equivalent within the same product series.

Q: What is the current availability of the 7-146261-2?

A: Current inventory records indicate 1031 pieces of new original stock are available for procurement.

Q: Are the contact materials and finishes identical?

A: Yes. Both parts use copper alloy contacts with gold plating (30.0µin / 0.76µm) on mating surfaces and tin plating (100.0µin / 2.54µm) on solder posts.

Q: Do both connectors support the same operating temperature range?

A: Yes. Both parts operate across the identical temperature range of -65°C to 105°C and carry a 3A current rating.