TE Connectivity 102557-1 Rectangular Connector: Equivalent & Substitute Parts

Part Overview

The TE Connectivity AMP Connectors 102557-1 is a shrouded vertical header connector with 40 positions arranged in 2 rows at 0.100" (2.54mm) pitch. This through-hole connector is designed for board-to-board or cable applications with press-fit and solder termination options. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility with existing designs.

Substiute Parts

102557-1

TE Connectivity AMP ConnectorsIn Stock: 685102557-1 Datasheet

Current PartRFQ

5-102557-1

TE Connectivity AMP ConnectorsIn Stock: 7345-102557-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of rectangular connectors in the AMPMODU Mod II series is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

• Number of positions (40)
• Number of rows (2)
• Mating pitch (0.100" / 2.54mm)
• Row spacing (0.100" / 2.54mm)
• Connector type (Header)
• Contact type (Male Pin)
• Mounting type (Through Hole)
• Shrouding configuration (Shrouded - 4 Wall)
• Termination method (Press-Fit, Solder)
• Operating temperature range (-55°C ~ 105°C)
• Current rating (3A)
• Contact finish on mating surface (Gold)
• Material flammability rating (UL94 V-0)

The substitute part 5-102557-1 maintains identical electrical and mechanical specifications across all critical parameters. The primary distinction is packaging format (Tray versus standard packaging) and product status (Active versus Discontinued).

Parameter Comparison

Engineering Selection Recommendations

The substitute part 5-102557-1 is a direct functional equivalent to the discontinued 102557-1. Both parts share identical electrical and mechanical specifications, including connector geometry, contact configuration, pitch, termination methods, and operating parameters.

Key Selection Factors:

Product Status: The substitute part 5-102557-1 maintains Active product status, ensuring continued availability and supply chain reliability. The original 102557-1 is discontinued at DiGi Electronics, making the substitute the appropriate selection for new designs and replenishment orders.

Compliance Improvement: The substitute part 5-102557-1 is ROHS3 compliant, whereas the original part is RoHS non-compliant. This represents an improvement in regulatory compliance for applications subject to RoHS requirements.

Contact Finish Specification: The substitute part specifies Tin finish on the post contact, compared to Tin-Lead on the original part. Both finishes maintain the same thickness specification (100.0µin / 2.54µm) and are functionally equivalent for solder termination applications.

Packaging Consideration: The substitute part is supplied in Tray packaging, which may differ from the original packaging format. Verify packaging compatibility with receiving and handling procedures.

Inventory Availability: Both parts maintain substantial inventory levels (627 Pcs for the substitute, 644 Pcs for the original), supporting immediate procurement.

Frequently Asked Questions (FAQ)

Q: Can 5-102557-1 be used as a direct replacement for 102557-1 in existing designs?

A: Yes. The substitute part 5-102557-1 maintains identical electrical and mechanical specifications across all critical parameters including connector type, position count, pitch, row spacing, mounting type, shrouding, termination method, operating temperature range, and current rating. The parts are mechanically and electrically interchangeable.

Q: What is the difference between the Tin-Lead finish on 102557-1 and the Tin finish on 5-102557-1?

A: Both finishes are applied at identical thickness (100.0µin / 2.54µm) on the post contact. The Tin finish on the substitute part represents a lead-free alternative that maintains equivalent solderability and electrical performance for press-fit and solder termination applications.

Q: Does the RoHS3 compliance of 5-102557-1 affect compatibility with 102557-1?

A: No. RoHS3 compliance on the substitute part represents an improvement in regulatory status and does not affect electrical or mechanical compatibility. The substitute part is suitable for applications requiring RoHS compliance.

Q: Are the mating dimensions identical between 102557-1 and 5-102557-1?

A: Yes. Both parts share identical mating dimensions including pitch (0.100" / 2.54mm), row spacing (0.100" / 2.54mm), contact length (0.320" / 8.13mm), and insulation height (0.440" / 11.18mm). The parts are mechanically compatible with identical mating connectors and PCB layouts.

Q: What is the significance of the packaging difference (Tray for 5-102557-1)?

A: The Tray packaging format affects receiving, storage, and handling procedures but does not impact the connector's electrical or mechanical performance. Verify that Tray packaging is compatible with your receiving and assembly processes.

Q: Can both parts be used interchangeably in the same PCB design?

A: Yes. Both parts are designed for identical through-hole mounting on PCBs with the same pad layout and spacing. The 40-position, 2-row configuration with 0.100" pitch is standard across both parts.

Q: What is the operating temperature range for both connectors?

A: Both 102557-1 and 5-102557-1 operate across the identical temperature range of -55°C to 105°C, supporting applications across industrial, commercial, and consumer temperature specifications.

Q: Is the current rating the same for both parts?

A: Yes. Both parts are rated for 3A continuous current, maintaining identical electrical performance characteristics for power distribution and signal applications.