Amphenol ICC 91900-21225 Rectangular Connector Header - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 91900-21225 is a 25-position rectangular connector header designed for surface mount applications with center strip contacts and gold plating. This component is classified as obsolete, which necessitates identification of functionally equivalent alternatives for ongoing design requirements and procurement planning. The part features solder retention and is suitable for applications requiring reliable mezzanine or board-to-board interconnection with standardized pitch and contact geometry.

Substiute Parts

91900-21225

Amphenol ICC (FCI)In Stock: 72391900-21225 Datasheet

Current PartRFQ

91900-21225LF

Amphenol ICC (FCI)In Stock: 113691900-21225LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 91900-21225 is determined by strict equivalence across the following critical parameters:

• Connector Configuration: 25 positions, 2-row arrangement, center strip contact topology
• Electrical Interface: 0.039" (1.00mm) pitch for contact spacing and signal integrity
• Physical Form Factor: Surface mount mounting type with 4.5mm mated stacking height and 0.048" (1.22mm) height above board
• Contact Properties: Gold or Gold, GXT™ finish with 15.0µin (0.38µm) thickness for corrosion resistance and signal reliability
• Functional Features: Solder retention capability for manufacturing robustness

The substitute part 91900-21225LF maintains identical electrical and mechanical specifications while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The 91900-21225LF is the direct functional equivalent for applications currently specified with 91900-21225. Selection of the substitute part is supported by:

• Identical Electrical and Mechanical Specifications: All critical parameters including position count, pitch, mounting type, contact finish, and stacking heights are equivalent, ensuring direct compatibility in existing designs without modification.

• Active Product Status: The 91900-21225LF maintains active manufacturing status, providing assured long-term availability and supply chain continuity compared to the obsolete main part.

• Enhanced Compliance: The substitute part achieves RoHS compliance and REACH affected status, aligning with current regulatory requirements for electronic components in regulated markets and applications.

• Consistent Series Classification: Both parts belong to the Conan™ and MezzSelect™ series, confirming design family compatibility and interchangeability within the product ecosystem.

Frequently Asked Questions (FAQ)

Q: Can 91900-21225LF be used as a direct replacement for 91900-21225 in existing designs?

A: Yes. The 91900-21225LF maintains identical electrical and mechanical specifications across all critical parameters: 25 positions, 0.039" (1.00mm) pitch, 2-row configuration, surface mount mounting, gold contact finish with 15.0µin (0.38µm) thickness, 4.5mm mated stacking height, and solder retention features. No design modifications are required.

Q: What is the primary difference between these two parts?

A: The 91900-21225LF offers active product status versus the obsolete status of 91900-21225, along with RoHS compliance and REACH affected designation. The functional and physical characteristics remain identical.

Q: Does packaging differ between the main part and substitute?

A: The 91900-21225LF is supplied in tube packaging. The main part packaging specification was not provided in the technical data.

Q: Are there any compatibility concerns with PCB layouts or mating connectors?

A: No. The identical pitch (0.039" / 1.00mm), position count (25), row configuration (2), and stacking height (4.5mm) ensure full compatibility with existing PCB layouts and mating connector designs.

Q: What compliance advantages does the substitute part provide?

A: The 91900-21225LF achieves RoHS compliance, making it suitable for applications and markets with RoHS requirements. The REACH affected status indicates compliance with REACH chemical substance regulations.