EB72D-SA2240Y Equivalent & Substitute Parts

Part Overview

The EB72D-SA2240Y is a 44-position female card edge connector manufactured by Vishay Dale, designed for dual-edge applications with 0.156" (3.96mm) pitch spacing. This connector features gold-plated phosphor bronze contacts, solder eyelet termination, and panel mount configuration with threaded insert mounting (4-40). The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and procurement planning.

Substiute Parts

EB72D-SA2240Y

Vishay DaleIn Stock: 839EB72D-SA2240Y Datasheet

Current PartRFQ

RSM22DSEI

Sullins Connector SolutionsIn Stock: 786RSM22DSEI Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EB72D-SA2240Y is determined by strict equivalence across the following critical parameters:

• Position Count & Pitch: 44 positions at 0.156" (3.96mm) spacing (non-negotiable)
• Electrical Configuration: Dual-edge, female gender connector
• Contact System: Phosphor bronze with gold plating, full bellows contact type
• Termination Method: Solder eyelet(s) for PCB mounting
• Mechanical Interface: Panel mount with 4-40 threaded insert, top opening configuration
• Card Thickness Compatibility: Acceptable range for dual-edge card insertion
• Operating Temperature: Minimum -55°C to 125°C performance envelope

The RSM22DSEI from Sullins Connector Solutions meets all substitution criteria. This part maintains functional and mechanical equivalence while offering active product status and improved compliance posture.

Parameter Comparison

Engineering Selection Recommendations

The RSM22DSEI is the qualified substitute for the EB72D-SA2240Y based on the following engineering criteria:

Functional Equivalence: Both connectors maintain identical electrical and mechanical specifications across all critical parameters—44 positions, 0.156" pitch, dual-edge female configuration, phosphor bronze gold-plated contacts, and solder eyelet termination.

Product Lifecycle: The EB72D-SA2240Y is obsolete, whereas the RSM22DSEI maintains active product status with current manufacturing support and documented availability.

Compliance Posture: The RSM22DSEI achieves ROHS3 compliance and REACH unaffected status, compared to the non-compliant status of the original part. This addresses regulatory requirements for new designs and procurement cycles.

Thermal Performance: The RSM22DSEI extends the lower operating temperature limit to -65°C, providing enhanced performance margin beyond the original -55°C specification.

Mechanical Compatibility: Card thickness acceptance (0.062" nominal) falls within the original specification range (0.054" ~ 0.071"), ensuring proper insertion and contact engagement for dual-edge applications.

Frequently Asked Questions (FAQ)

Q: Can the RSM22DSEI directly replace the EB72D-SA2240Y in existing assemblies?

A: Yes. Both connectors share identical position count, pitch, gender, contact configuration, and termination method. The RSM22DSEI's card thickness specification (0.062") is centered within the EB72D-SA2240Y's acceptable range (0.054" ~ 0.071"), ensuring compatible insertion and electrical performance.

Q: What is the significance of the card thickness specification difference?

A: The EB72D-SA2240Y specifies a range (0.054" ~ 0.071"), while the RSM22DSEI lists a nominal value (0.062"). The RSM22DSEI's nominal thickness is within the original range, confirming mechanical compatibility for dual-edge card insertion and contact engagement.

Q: Does the RSM22DSEI's extended temperature range (-65°C vs. -55°C) affect compatibility?

A: No. The extended lower temperature limit of the RSM22DSEI represents an improvement over the original specification. Both parts maintain the same upper limit (125°C), ensuring thermal compatibility across the original operating envelope.

Q: What is the impact of RoHS3 compliance on substitution?

A: The RSM22DSEI's ROHS3 compliance addresses regulatory requirements for new procurement and design cycles. For legacy systems using the obsolete EB72D-SA2240Y, the substitute provides a compliant alternative without functional or mechanical compromise.

Q: Are there packaging differences between these connectors?

A: The RSM22DSEI is supplied in tube packaging. Verify packaging requirements for your procurement and assembly processes, as this may affect handling, storage, and automated placement procedures.

Q: How do the contact finish specifications compare?

A: The EB72D-SA2240Y does not specify contact finish thickness. The RSM22DSEI specifies 10.0µin (0.25µm) gold plating, providing documented electrical and corrosion resistance characteristics for the contact interface.