AMC32MMST Equivalent & Substitute Parts

Part Overview

The AMC32MMST is a 64-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, gold-plated beryllium copper contacts, and operates across the temperature range of -65°C to 200°C. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional compatibility while meeting current component availability and compliance requirements.

Substiute Parts

AMC32MMST

Sullins Connector SolutionsIn Stock: 1094AMC32MMST Datasheet

Current PartRFQ

RMC32MMST

Sullins Connector SolutionsIn Stock: 1046RMC32MMST Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete AMC32MMST with the active RMC32MMST is based on alignment of critical electrical and mechanical parameters that define functional compatibility in card edge connector applications. The substitute part maintains the following essential specifications:

• 64-position configuration with dual read-out
• Male gender for mating with female edgecards
• 0.100" (2.54mm) pitch spacing
• 2-row arrangement
• Solder termination
• Gold contact finish at 30.0µin thickness
• Operating temperature range of -65°C to 200°C
• Polyphenylene Sulfide insulation material
• Flush mount flange with threaded insert (4-40)
• ROHS3 compliance and REACH unaffected status

Variations between the main part and substitute include contact material composition, card thickness specification, color designation, and mounting type classification, which do not affect the core electrical interface or thermal performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The RMC32MMST serves as the direct active equivalent for the obsolete AMC32MMST. Selection of the RMC32MMST is supported by the following engineering factors:

Product Status: The RMC32MMST maintains active production status with current inventory availability (989 pieces), whereas the AMC32MMST is classified as obsolete. Active status ensures continued supply chain access and manufacturing support.

Compliance Certifications: Both parts maintain identical ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for electronic component deployment in regulated industries and markets.

Electrical Interface Compatibility: The substitute part preserves all critical electrical parameters including 64-position configuration, 0.100" pitch spacing, dual read-out, gold contact finish at specified thickness, and solder termination. These parameters ensure direct functional compatibility with existing female edgecard interfaces.

Thermal Performance: Operating temperature range remains -65°C to 200°C, maintaining thermal performance specifications for the intended application environment.

Mechanical Interface: Flange configuration, mounting geometry, and threaded insert specifications remain unchanged, ensuring compatibility with existing mechanical mounting structures and assembly procedures.

Frequently Asked Questions (FAQ)

Q: Can the RMC32MMST directly replace the AMC32MMST in existing designs?

A: Yes. The RMC32MMST maintains all critical electrical and mechanical parameters required for direct substitution. The 64-position configuration, 0.100" pitch, dual read-out, gold contact finish, operating temperature range, and flange geometry are identical between the two parts.

Q: What is the significance of the contact material difference between beryllium copper and phosphor bronze?

A: Both materials provide suitable electrical conductivity and contact reliability for card edge connector applications. The contact finish (gold plating at 30.0µin thickness) is identical on both parts, which is the primary factor determining electrical interface performance.

Q: Does the card thickness specification of 0.062" (1.57mm) on the RMC32MMST affect compatibility?

A: The card thickness specification on the RMC32MMST indicates the designed tolerance for female edgecard interfaces. This specification does not restrict compatibility with standard edgecards and reflects the connector's mechanical design parameters.

Q: Are there any compliance or regulatory differences between the two parts?

A: No. Both parts maintain identical ROHS3 compliance and REACH unaffected status. The RMC32MMST carries an ECCN classification of EAR99 and HTSUS code 8536.69.4040, which are standard for active connector products.

Q: What is the difference between the mounting type designations?

A: The AMC32MMST does not specify a mounting type, while the RMC32MMST is designated as through-hole mount. This reflects the connector's solder termination method and standard PCB assembly configuration for card edge connectors.

Q: Is the black color of the RMC32MMST a functional difference?

A: No. Color is a cosmetic designation and does not affect electrical performance, thermal characteristics, or mechanical compatibility. The black color is a standard option for active production variants.