Amphenol ICC 51770-030 Backplane Connector - Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 51770-030 is a 20-position receptacle connector featuring female sockets and blade sockets for board edge, through-hole, right-angle mounting. This connector is designed for blade power applications with 16 signal positions and 4 power positions. The part is currently classified as obsolete, which necessitates identification of active equivalent components to maintain supply chain continuity for applications requiring this connector specification.

Substiute Parts

51770-030

Amphenol ICC (FCI)In Stock: 74651770-030 Datasheet

Current PartRFQ

51770-030LF

Amphenol ICC (FCI)In Stock: 111851770-030LF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 51770-030 is determined by strict equivalence across the following critical parameters:

• Connector type: Receptacle with female sockets and blade sockets
• Number of positions: 20 total positions
• Position loading: 16 signal, 4 power
• Pitch: 0.100" (2.54mm)
• Row configuration: 4 rows
• Mounting style: Board edge, through-hole, right-angle
• Termination method: Solder
• Contact finish: Gold or Gold, GXT™
• Contact finish thickness: 30.0µin (0.76µm)
• Color: Black
• Flammability rating: UL94 V-0
• Operating temperature: -20°C ~ 105°C
• MSL rating: 1 (Unlimited)

The substitute part 51770-030LF maintains identical electrical and mechanical specifications while offering active product status and improved compliance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The 51770-030LF is the direct functional equivalent of the 51770-030. Both connectors share identical electrical and mechanical specifications across all critical parameters including connector type, position count, pitch, mounting configuration, and operating characteristics.

The primary distinction between these parts is product lifecycle status and regulatory compliance. The 51770-030 is obsolete, while the 51770-030LF maintains active product status. Additionally, the 51770-030LF is RoHS compliant and REACH affected, whereas the original part is RoHS non-compliant. For new designs or applications requiring current component availability and regulatory compliance, the 51770-030LF is the appropriate selection.

Frequently Asked Questions (FAQ)

Q: Are the 51770-030 and 51770-030LF mechanically interchangeable?

A: Yes. Both connectors share identical mechanical specifications including mounting type (board edge, through-hole, right-angle), pitch (0.100"), row configuration (4 rows), and position count (20 total, 16 loaded).

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

A: The 51770-030LF is the active production equivalent of the obsolete 51770-030. The substitute part offers RoHS compliance and REACH compliance status, while maintaining identical electrical and mechanical performance.

Q: Can the 51770-030LF be used as a direct replacement in existing applications?

A: Yes. The 51770-030LF is electrically and mechanically equivalent to the 51770-030 across all specified parameters. The connector type, contact configuration, termination method, and operating characteristics are identical.

Q: What is the significance of the "LF" suffix in the part number?

A: The "LF" designation indicates lead-free and RoHS-compliant manufacturing, distinguishing this variant from the original non-compliant version.

Q: Are there packaging differences between these parts?

A: The 51770-030LF is supplied in tray packaging. Original packaging specifications for the 51770-030 were not provided in the technical data.

Q: What is the contact finish specification for both connectors?

A: Both connectors feature gold or gold GXT™ contact finish with a thickness of 30.0µin (0.76µm), ensuring equivalent electrical performance and reliability.