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

Part Overview

The TE Connectivity 5-146273-5 is a vertical rectangular connector header from the AMPMODU Mod II series, designed for through-hole board-to-board or cable applications. This 10-position, 2-row connector features male pins with 0.100" (2.54mm) pitch spacing and is rated for 3A continuous current operation across an extended temperature range of -65°C to 105°C.

The 5-146273-5 carries an obsolete product status, indicating it is no longer in active production. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing manufacturing and repair operations for legacy systems utilizing this connector specification.

Substiute Parts

5-146273-5

TE Connectivity AMP ConnectorsIn Stock: 10275-146273-5 Datasheet

Current PartRFQ

5-146261-5

TE Connectivity AMP ConnectorsIn Stock: 100545-146261-5 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

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

Electrical Compatibility Parameters:

• Contact type (Male Pin)
• Number of positions (10)
• Number of rows (2)
• Pitch spacing (0.100" / 2.54mm mating pitch and row spacing)
• Current rating (3A)
• Operating temperature range (-65°C to 105°C)
• Contact finish specifications (Gold mating surface, Tin post finish)

Mechanical Compatibility Parameters:

• Connector type (Header, Breakaway)
• Mounting type (Through Hole)
• Contact shape (Square)
• Insulation material (Liquid Crystal Polymer)
• Fastening type (Push-Pull)
• Overall contact length (0.410" / 10.41mm)

Regulatory & Environmental Parameters:

• Material flammability rating (UL94 V-0)
• RoHS compliance status
• Moisture sensitivity level (MSL 1)

The substitute part 5-146261-5 maintains full equivalence across all critical parameters while offering the advantage of active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The TE Connectivity 5-146261-5 is the direct substitute for the obsolete 5-146273-5 based on the following engineering criteria:

Product Status Advantage: The 5-146261-5 maintains active product status with TE Connectivity, ensuring ongoing availability and manufacturing support. The 5-146273-5 is classified as obsolete and no longer produced.

Regulatory Compliance: Both parts maintain UL94 V-0 material flammability certification and comply with RoHS directives. The 5-146261-5 carries ROHS3 compliance, representing the current regulatory standard. Both parts are classified under identical ECCN (EAR99) and HTSUS (8536.69.4040) codes.

Electrical and Mechanical Equivalence: The 5-146261-5 provides complete electrical and mechanical compatibility with the 5-146273-5 across all critical parameters: identical 10-position, 2-row configuration; 0.100" (2.54mm) pitch spacing; 3A current rating; -65°C to 105°C operating temperature range; and through-hole solder termination.

Termination Specification: The main part specifies kinked pin with solder termination, while the substitute specifies solder termination. Both employ solder-based connection methods suitable for through-hole PCB assembly, ensuring functional compatibility in board-level applications.

Environmental and Reliability Ratings: Both parts carry MSL 1 (Unlimited) moisture sensitivity level, indicating no special handling requirements during storage or assembly. The identical contact finish specifications (gold mating surface at 30.0µin, tin post at 100.0µin) ensure equivalent electrical performance and corrosion resistance.

Frequently Asked Questions (FAQ)

Q: Can the 5-146261-5 be used as a direct replacement for the 5-146273-5 in existing designs?

A: Yes. The 5-146261-5 provides complete functional and mechanical equivalence. All critical electrical parameters, physical dimensions, contact specifications, and environmental ratings are identical. The connector will mate with existing mating connectors and perform identically in board-to-board or cable applications.

Q: What is the difference between the kinked pin termination of the 5-146273-5 and the solder termination of the 5-146261-5?

A: Both termination methods employ solder-based connection to the PCB. The kinked pin design in the 5-146273-5 provides additional mechanical retention during the soldering process. The 5-146261-5 uses standard solder termination. Both are compatible with standard through-hole PCB assembly processes and provide equivalent electrical connections.

Q: Are there any packaging differences between these parts?

A: The 5-146273-5 packaging specification is not provided in the available data. The 5-146261-5 is supplied in bulk packaging. For specific packaging requirements or tape-and-reel availability, consult the manufacturer's current product documentation.

Q: Does the RoHS3 compliance of the 5-146261-5 affect compatibility with designs specified for RoHS-compliant components?

A: No. ROHS3 compliance represents an updated regulatory standard that maintains backward compatibility with RoHS requirements. The 5-146261-5 meets all RoHS directives and is suitable for applications requiring RoHS-compliant components.

Q: What is the current availability status of each part?

A: The 5-146273-5 is obsolete and no longer manufactured. The 5-146261-5 is an active product with current manufacturing support from TE Connectivity, ensuring reliable long-term availability for new designs and ongoing production requirements.

Q: Are the contact finish specifications identical between the two parts?

A: Yes. Both parts feature gold-plated mating contacts at 30.0µin (0.76µm) thickness and tin-plated posts at 100.0µin (2.54µm) thickness. The identical finish specifications ensure equivalent electrical conductivity, contact resistance, and corrosion resistance performance.

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

A: Yes. Both the 5-146273-5 and 5-146261-5 are rated for continuous operation across the -65°C to 105°C temperature range. The Liquid Crystal Polymer insulation material and UL94 V-0 flammability rating support reliable performance throughout this extended temperature specification.

Q: What is the moisture sensitivity level, and does it require special handling?

A: Both parts carry MSL 1 (Unlimited) moisture sensitivity level. This classification indicates no moisture-related handling restrictions during storage, transportation, or assembly. Standard component storage conditions are sufficient.