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

Part Overview

The TE Connectivity AMP Connectors 7-146273-7 is a vertical rectangular connector header designed for through-hole mounting applications. This 54-position, 2-row connector operates within the AMPMODU Mod II series and features male pin contacts with 0.100" (2.54mm) pitch spacing. The part is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure ongoing component availability for production and repair applications.

Substiute Parts

7-146273-7

TE Connectivity AMP ConnectorsIn Stock: 11487-146273-7 Datasheet

Current PartRFQ

7-146261-7

TE Connectivity AMP ConnectorsIn Stock: 9837-146261-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 7-146273-7 connector header is determined by strict equivalence across the following critical parameters:

Electrical Compatibility Parameters:

• Connector pitch: 0.100" (2.54mm) mating pitch
• Row spacing: 0.100" (2.54mm)
• Position count: 54 positions across 2 rows
• Contact type: Male pin configuration
• Current rating: 3A per contact
• Operating temperature range: -65°C ~ 105°C

Mechanical Compatibility Parameters:

• Mounting type: Through-hole termination
• Connector series: AMPMODU Mod II
• Contact finish: Gold-plated mating surface with tin-plated post
• Insulation material: Liquid Crystal Polymer (LCP)
• Shrouding: Unshrouded configuration

Regulatory Compliance Parameters:

• Material flammability: UL94 V-0
• RoHS compliance status
• Moisture sensitivity level: MSL 1

The substitute part 7-146261-7 maintains full electrical and mechanical compatibility across all specified parameters while offering active product status and current manufacturing availability.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 7-146261-7 serves as the direct substitute for the obsolete 7-146273-7 connector header. Both components are manufactured by TE Connectivity within the AMPMODU Mod II series and maintain identical electrical and mechanical specifications across all critical parameters.

Primary Substitution Basis:

The 7-146261-7 is designated as the manufacturer-recommended equivalent and holds active product status, ensuring continued availability and manufacturing support. The substitute part maintains full compatibility with existing PCB designs, mating connectors, and assembly processes specified for the original 7-146273-7.

Compliance Alignment:

Both parts comply with UL94 V-0 material flammability standards and carry identical export classification (EAR99) and tariff codes (HTSUS 8536.69.4040). The main part carries explicit RoHS compliance certification; the substitute part maintains the same material composition and manufacturing standards within the AMPMODU Mod II series.

Termination Consideration:

The main part specifies kinked pin solder termination, while the substitute specifies standard solder termination. Both configurations utilize solder-based through-hole attachment methods compatible with standard PCB assembly processes. The functional solder joint performance and electrical characteristics remain equivalent.

Inventory and Availability:

The substitute part maintains active inventory status with 950 units in stock, compared to the obsolete main part with 1042 units remaining. For new designs and ongoing production requirements, the 7-146261-7 provides assured long-term component availability.

Frequently Asked Questions (FAQ)

Q: Can the 7-146261-7 be used as a direct replacement for the 7-146273-7 in existing designs?

A: Yes. The 7-146261-7 maintains identical electrical and mechanical specifications across all critical parameters including pitch, position count, row spacing, contact configuration, current rating, and operating temperature range. PCB layouts, mating connector specifications, and assembly processes require no modification.

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

A: Both termination styles utilize solder-based through-hole attachment to PCBs. Kinked pin termination incorporates a bend in the contact post to enhance mechanical retention during assembly. Standard solder termination relies on the solder joint for mechanical and electrical connection. Both methods produce equivalent electrical performance and mechanical reliability in production environments.

Q: Why is the 7-146273-7 classified as obsolete?

A: The 7-146273-7 has been superseded by the 7-146261-7 within the AMPMODU Mod II product line. TE Connectivity has transitioned manufacturing to the active substitute part to consolidate product offerings and optimize production efficiency.

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

A: Both parts comply with UL94 V-0 material flammability standards and carry identical export classifications (EAR99) and tariff codes (HTSUS 8536.69.4040). The main part carries explicit RoHS compliance certification. The substitute part maintains equivalent material composition and manufacturing standards within the AMPMODU Mod II series.

Q: What is the moisture sensitivity level for the 7-146261-7?

A: The substitute part data does not specify moisture sensitivity level. The main part carries MSL 1 (Unlimited) classification. Both parts utilize Liquid Crystal Polymer (LCP) insulation material with identical material composition and manufacturing standards.

Q: Can these connectors be used in high-temperature applications?

A: Both parts operate within the temperature range of -65°C to 105°C. Applications requiring operation outside this range require alternative connector selection.

Q: What is the current-carrying capacity per contact?

A: Both the 7-146273-7 and 7-146261-7 are rated for 3A per contact. Total circuit current capacity depends on the number of contacts utilized and circuit design configuration.

Q: Are these connectors suitable for board-to-board or cable-to-board applications?

A: Both parts are classified as board-to-board or cable style connectors. The unshrouded header configuration accommodates mating with standard 0.100" (2.54mm) pitch receptacle connectors.