AMC55MSST Card Edge Connector Equivalent & Substitute Parts

Part Overview

The AMC55MSST is a 110-position male card edge connector manufactured by Sullins Connector Solutions, designed to interface with female edgecards at 0.100" (2.54mm) pitch. This connector features dual read-out configuration with beryllium copper contacts finished in gold plating. The product is currently classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure component availability for ongoing applications and repairs.

Substiute Parts

AMC55MSST

Sullins Connector SolutionsIn Stock: 737AMC55MSST Datasheet

Current PartRFQ

RMC55MSST

Sullins Connector SolutionsIn Stock: 998RMC55MSST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AMC55MSST is determined by alignment of the following critical parameters:

Primary Substitution Criteria:

• Connector category: Card Edge Connectors
• Position count: 110 positions
• Row configuration: 2 rows
• Pitch specification: 0.100" (2.54mm)
• Connector gender: Male
• Contact material and finish specifications
• Operating temperature range compatibility
• Insulation material properties
• Regulatory compliance (RoHS3, REACH)

The RMC55MSST from Sullins Connector Solutions is identified as a direct substitute based on shared base product number (RMC55 vs. AMC55 series), identical position and row configuration, and active product status with equivalent regulatory compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The RMC55MSST is the identified substitute for the obsolete AMC55MSST. Selection of this alternative is supported by the following factors:

Product Status: The RMC55MSST maintains active product status with Sullins Connector Solutions, ensuring ongoing availability and supply chain continuity compared to the obsolete AMC55MSST.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying current environmental and regulatory requirements for electronic component applications.

Moisture Sensitivity: Both parts carry MSL rating of 1 (Unlimited), indicating equivalent moisture handling and storage requirements.

Manufacturer Continuity: Both connectors are manufactured by Sullins Connector Solutions, ensuring design lineage and manufacturing process consistency within the same product family.

Series Relationship: The RMC55 base product number indicates a direct evolutionary relationship to the AMC55 series, supporting functional and mechanical compatibility within the card edge connector application space.

Frequently Asked Questions (FAQ)

Q: What is the primary reason for substituting the AMC55MSST?

A: The AMC55MSST is classified as obsolete. The RMC55MSST provides an active alternative from the same manufacturer with equivalent regulatory compliance and shared design characteristics.

Q: Are the AMC55MSST and RMC55MSST mechanically compatible?

A: Both connectors are 2-row card edge connectors from Sullins Connector Solutions. The RMC55MSST is designated as a through-hole configuration. Mechanical compatibility depends on specific mounting requirements and PCB layout specifications of the application.

Q: Do both parts meet current environmental regulations?

A: Yes. Both the AMC55MSST and RMC55MSST are ROHS3 compliant and REACH unaffected, satisfying current environmental and regulatory standards for electronic components.

Q: What is the moisture sensitivity level for these connectors?

A: Both parts carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or use.

Q: How do the contact specifications compare?

A: The AMC55MSST specifies beryllium copper contacts with gold finish at 30.0µin (0.76µm) thickness and operates across -65°C to 200°C. Complete contact specifications for the RMC55MSST are not provided in available technical data.

Q: What is the pitch specification for these connectors?

A: The AMC55MSST operates at 0.100" (2.54mm) pitch. The pitch specification for the RMC55MSST is not provided in available technical data but is consistent with the 2-row, 110-position card edge connector category.

Q: Are there inventory considerations for component selection?

A: The AMC55MSST has 716 pieces in stock as new original inventory. The RMC55MSST has 894 pieces in stock as new original inventory, providing adequate supply for active applications.