TE Connectivity AMP Connectors 4-146254-0 Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 4-146254-0 is a rectangular connector header designed for through-hole mounting applications. This connector features 80 positions arranged in 2 rows with a 0.100" (2.54mm) pitch, supporting board-to-board or cable interconnections. The part operates within a temperature range of -65°C to 105°C and carries a current rating of 3A per contact.

The 4-146254-0 is classified as obsolete. Locating equivalent substitute parts is necessary to support ongoing maintenance, repair, and production requirements for legacy systems utilizing this connector series.

Substiute Parts

4-146254-0

TE Connectivity AMP ConnectorsIn Stock: 8474-146254-0 Datasheet

Current PartRFQ

9-146254-0

TE Connectivity AMP ConnectorsIn Stock: 16079-146254-0 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 4-146254-0 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must maintain identical specifications for connector type, contact configuration, pitch, row spacing, mounting methodology, and contact dimensions to ensure direct compatibility with existing PCB layouts and mating connectors.

The following parameters establish substitution validity:

• Connector Type: Header, Breakaway
• Contact Type: Male Pin
• Number of Positions: 80
• Number of Rows: 2
• Pitch - Mating: 0.100" (2.54mm)
• Row Spacing - Mating: 0.100" (2.54mm)
• Mounting Type: Through Hole
• Termination: Solder
• Contact Length - Mating: 0.230" (5.84mm)
• Contact Length - Post: 0.120" (3.05mm)
• Overall Contact Length: 0.440" (11.18mm)
• Insulation Height: 0.090" (2.29mm)
• Contact Shape: Square
• Contact Material: Copper Alloy
• Insulation Material: Liquid Crystal Polymer (LCP)
• Operating Temperature: -65°C ~ 105°C
• Current Rating: 3A
• Material Flammability Rating: UL94 V-0
• Insulation Color: Black
• Series: AMPMODU Mod II
• Fastening Type: Push-Pull
• Style: Board to Board or Cable
• Shrouding: Unshrouded

Parameter Comparison

Engineering Selection Recommendations

The 9-146254-0 is the direct active substitute for the obsolete 4-146254-0. Both parts are manufactured by TE Connectivity AMP Connectors within the AMPMODU Mod II series and maintain complete electrical and mechanical equivalence across all critical parameters.

The primary distinction between the two parts is product status: the 4-146254-0 is obsolete, while the 9-146254-0 is active and currently manufactured. The 9-146254-0 is packaged in Tube format and carries ROHS3 compliance certification, representing an enhanced regulatory status compared to the RoHS Compliant designation of the original part.

Contact finish specifications differ between the parts: the 4-146254-0 features Tin-Lead plating, while the 9-146254-0 features Tin plating. Both finishes maintain identical thickness specifications of 100.0µin (2.54µm) and are functionally compatible for the intended application. The transition from Tin-Lead to Tin reflects industry-wide compliance with lead-free manufacturing standards.

Selection of the 9-146254-0 for new production, maintenance, and repair applications is supported by its active product status, current manufacturing availability, and enhanced regulatory compliance profile.

Frequently Asked Questions (FAQ)

Q: Can the 9-146254-0 directly replace the 4-146254-0 in existing applications?

A: Yes. The 9-146254-0 maintains complete mechanical and electrical equivalence with the 4-146254-0 across all critical parameters including connector type, contact configuration, pitch, row spacing, mounting methodology, contact dimensions, and operating specifications. Direct substitution is supported without design modification.

Q: What is the significance of the contact finish difference between Tin-Lead and Tin?

A: Both contact finishes maintain identical thickness specifications of 100.0µin (2.54µm). The transition from Tin-Lead to Tin reflects industry compliance with lead-free manufacturing standards. Both finishes provide equivalent electrical performance and contact reliability for this application.

Q: Why is the 4-146254-0 classified as obsolete?

A: The 4-146254-0 has been superseded by the 9-146254-0 within the AMPMODU Mod II series. The 9-146254-0 represents the current active production part and is the recommended selection for all new applications.

Q: Are there packaging differences between the two parts?

A: The 4-146254-0 packaging specification is not provided in the technical documentation. The 9-146254-0 is supplied in Tube packaging, which is the standard format for this connector series.

Q: What is the difference between RoHS Compliant and ROHS3 Compliant?

A: ROHS3 Compliant represents the current regulatory standard for lead-free and restricted substance compliance. The 9-146254-0 carries ROHS3 certification, indicating compliance with the latest regulatory requirements. Both parts meet lead-free manufacturing standards.

Q: Are the electrical and thermal specifications identical between the two parts?

A: Yes. Both parts operate within the identical temperature range of -65°C to 105°C and carry a current rating of 3A per contact. All electrical and thermal specifications are equivalent.

Q: What is the base product number for these connectors?

A: The base product number for both the 4-146254-0 and 9-146254-0 is 146254. The numeric prefix differentiates packaging and compliance variants within the same connector design.