Amphenol ICC 51732-021 Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 51732-021 is a 32-position backplane connector header featuring male pins and blades in a right-angle, board edge, through-hole configuration. This connector is part of the PwrBlade® series and combines 24 signal contacts with 8 power contacts in a 4-row layout with 0.100" (2.54mm) pitch. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

51732-021

Amphenol ICC (FCI)In Stock: 114151732-021 Datasheet

Current PartRFQ

10106124-8006005LF

Amphenol ICC (FCI)In Stock: 76310106124-8006005LF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 51732-021 is determined by strict equivalence across the following critical parameters:

• Connector Type & Style: Header with male pins and blades, blade power configuration
• Position Count & Layout: 32 total positions with 24 signal and 8 power contacts
• Pitch & Row Configuration: 0.100" (2.54mm) pitch in 4-row arrangement
• Mounting & Termination: Board edge, through-hole, right-angle orientation with solder termination
• Contact Specifications: Gold or Gold GXT™ finish at 30.0µin thickness
• Physical & Environmental: Black color, UL94 V-0 flammability rating, MSL 1

The substitute part 10106124-8006005LF maintains full electrical and mechanical compatibility with the 51732-021 across all these parameters while offering improved product status and compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 10106124-8006005LF is the direct substitute for the obsolete 51732-021. Both connectors share identical electrical and mechanical specifications across all critical parameters including position count, pitch, contact layout, mounting configuration, and contact finish specifications.

The substitute part offers the following advantages:

• Active Product Status: The 10106124-8006005LF is an active product with ongoing manufacturer support and availability, eliminating supply chain risk associated with the obsolete 51732-021.
• Enhanced Compliance: The substitute achieves RoHS compliance and REACH compliance status, meeting current regulatory requirements for new designs and manufacturing.
• Extended Operating Range: The substitute supports an expanded operating temperature range of -40°C to 125°C compared to the main part's -20°C to 105°C, providing greater thermal margin for demanding applications.
• Series Evolution: The PwrBlade+® series represents the current generation of this connector family, incorporating design improvements while maintaining full backward compatibility with existing PwrBlade® implementations.

Selection of the 10106124-8006005LF is appropriate for both replacement of existing 51732-021 installations and new designs requiring 32-position blade power connectors with this specific contact layout and pitch.

Frequently Asked Questions (FAQ)

Q: Are the 51732-021 and 10106124-8006005LF mechanically interchangeable?

A: Yes. Both connectors feature identical mounting configurations (board edge, through-hole, right-angle), pitch (0.100"), position count (32), and row arrangement (4 rows). Physical dimensions and mating interfaces are equivalent.

Q: Can the 10106124-8006005LF replace the 51732-021 in existing PCB designs?

A: Yes. The substitute maintains full compatibility with existing board layouts and mating connectors designed for the 51732-021. No PCB redesign is required.

Q: What is the difference between the PwrBlade® and PwrBlade+® series?

A: The PwrBlade+® series is the current generation offering improved performance characteristics, including extended operating temperature range and enhanced compliance certifications, while maintaining electrical and mechanical compatibility with the original PwrBlade® series.

Q: Does the extended operating temperature range of the substitute part affect compatibility?

A: No. The extended range (-40°C to 125°C versus -20°C to 105°C) represents an improvement that does not impact compatibility. Systems operating within the original temperature range will function identically with either part.

Q: What packaging is available for the substitute part?

A: The 10106124-8006005LF is supplied in Tray packaging. Confirm packaging requirements with your procurement specifications.

Q: Are there RoHS compliance implications when switching from the 51732-021 to the 10106124-8006005LF?

A: The substitute part is RoHS compliant, whereas the main part is RoHS non-compliant. This represents an improvement for designs subject to RoHS requirements. Existing designs using the non-compliant part may continue operation; however, new designs should utilize the RoHS-compliant substitute.