Amphenol ICC 51700-10403204CA Equivalent & Substitute Parts

Part Overview

The 51700-10403204CA is a 40-position backplane connector header manufactured by Amphenol ICC (FCI) in the PwrBlade® series. This through-hole mounted connector features male pins and blades with blade power configuration, designed for PCB applications requiring simultaneous signal and power distribution. The part is currently classified as obsolete, making identification of compatible substitute components essential for ongoing system support and procurement planning.

Substiute Parts

51700-10403204CA

Amphenol ICC (FCI)In Stock: 120351700-10403204CA Datasheet

Current PartRFQ

51700-10403204CALF

Amphenol ICC (FCI)In Stock: 85551700-10403204CALF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 51700-10403204CA is determined by strict equivalence across the following critical parameters:

• Connector Series & Type: Must be PwrBlade® series header with male pins and blades configuration
• Position Count & Layout: Exactly 40 positions with 32 signal and 8 power contact arrangement
• Pitch & Geometry: 0.100" (2.54mm) pitch with 4-row configuration
• Mounting & Termination: Through-hole mounting with press-fit termination
• Electrical & Environmental Ratings: UL94 V-0 flammability, -20°C to 105°C operating range, gold contact finish at 30.0µin thickness

The substitute part 51700-10403204CALF meets all these criteria while offering improved product status and compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 51700-10403204CALF is the direct functional equivalent of the 51700-10403204CA. Both parts share identical electrical, mechanical, and environmental specifications within the PwrBlade® connector family.

The substitute part offers two significant advantages for new designs and ongoing procurement:

Product Status: The 51700-10403204CALF maintains active product status, ensuring continued availability and manufacturer support, whereas the original part is obsolete.

Regulatory Compliance: The substitute part is RoHS compliant and REACH affected, meeting current environmental and regulatory requirements. The original part is RoHS non-compliant.

For applications where the original part is no longer available or where regulatory compliance is required, the 51700-10403204CALF provides full functional compatibility with no design modifications necessary.

Frequently Asked Questions (FAQ)

Q: Are these parts mechanically interchangeable?

A: Yes. Both parts feature identical 40-position, 4-row configuration with 0.100" (2.54mm) pitch, through-hole mounting, and press-fit termination. PCB footprints are identical.

Q: What is the difference between these two part numbers?

A: The primary differences are product status and compliance. The 51700-10403204CALF is the active production variant with RoHS compliance, while the 51700-10403204CA is obsolete and RoHS non-compliant. All electrical and mechanical specifications are identical.

Q: Can I use the substitute part in existing designs?

A: Yes. The 51700-10403204CALF is a direct substitute requiring no design changes. It maintains the same contact layout (32 signal, 8 power), operating temperature range (-20°C to 105°C), and flammability rating (UL94 V-0).

Q: What is the packaging difference?

A: The original part number does not specify packaging, while the substitute is supplied in Tray packaging. This affects handling and storage but does not impact electrical or mechanical performance.

Q: Are the contact finishes equivalent?

A: Yes. Both parts feature gold or gold GXT™ contact finish at 30.0µin (0.76µm) thickness, providing identical electrical and corrosion resistance characteristics.

Q: Why should I transition to the substitute part?

A: The substitute part ensures long-term availability through active product status and meets current RoHS environmental regulations. For new designs or system refreshes, the 51700-10403204CALF is the recommended choice.