EB71S-SA0640V Equivalent & Substitute Parts

Part Overview

The EB71S-SA0640V is a 12-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 and operates across -55°C to 125°C. The product is classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

EB71S-SA0640V

Vishay DaleIn Stock: 947EB71S-SA0640V Datasheet

Current PartRFQ

EBT156-6A1X

Vishay DaleIn Stock: 1103EBT156-6A1X Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EB71S-SA0640V is determined by the following critical parameters:

• Connector Type & Configuration: 12-position female card edge connector with dual edge configuration
• Pitch Specification: 0.156" (3.96mm) center-to-center spacing
• Mounting Interface: Panel mount with solder eyelet termination
• Electrical Performance: Contact material and finish must support equivalent current-carrying capacity and signal integrity
• Mechanical Compatibility: Card thickness acceptance range and flange dimensions must accommodate the target application
• Environmental Rating: Operating temperature range and moisture sensitivity classification

The EBT156-6A1X qualifies as a manufacturer-recommended substitute based on matching core functional parameters: identical 12-position count, dual edge configuration, 0.156" pitch, panel mount design, and solder eyelet termination. Both connectors are rated for MSL 1 (Unlimited) moisture sensitivity and share the same HTSUS classification.

Parameter Comparison

Engineering Selection Recommendations

The EBT156-6A1X is the manufacturer-recommended substitute for the obsolete EB71S-SA0640V. Selection should be based on the following factors:

Product Status: The EB71S-SA0640V is obsolete, while the EBT156-6A1X maintains active production status, ensuring long-term availability and supply chain continuity.

Compliance Alignment: Both connectors share identical RoHS non-compliance and MSL 1 classifications, maintaining equivalent regulatory positioning for applications not requiring RoHS compliance.

Mechanical Fit: The EBT156-6A1X card thickness specification of 0.062" (1.57mm) falls within the original part's acceptance range of 0.054" to 0.071", confirming mechanical compatibility.

Contact Finish Difference: The substitute uses tin plating instead of gold. Applications requiring enhanced corrosion resistance or specific contact resistance characteristics should evaluate this material change against system requirements.

Insulation Material Change: The substitute employs phenolic glass-filled insulation versus the original DAP material. Both materials are suitable for industrial connector applications; verify compatibility with operating environment and thermal cycling requirements.

Frequently Asked Questions (FAQ)

Q: Can the EBT156-6A1X directly replace the EB71S-SA0640V in existing designs?

A: The EBT156-6A1X is mechanically and electrically compatible for applications where the contact finish change from gold to tin and insulation material change from DAP to phenolic glass-filled do not impact system performance. Verify contact resistance and corrosion requirements for your specific application.

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

A: The original EB71S-SA0640V accepts cards ranging from 0.054" to 0.071" (1.37mm to 1.80mm). The EBT156-6A1X is specified for 0.062" (1.57mm) cards, which falls within this range. Confirm your application uses cards within the substitute's specification.

Q: Why does the substitute have a different contact finish?

A: The EB71S-SA0640V uses gold plating for enhanced corrosion resistance and lower contact resistance. The EBT156-6A1X uses tin plating. For applications in corrosive environments or requiring specific contact resistance values, evaluate whether this change affects system reliability.

Q: Are there any compliance or regulatory differences between these connectors?

A: Both connectors share identical RoHS non-compliance and MSL 1 classifications. No regulatory advantage exists between the two parts. Applications requiring RoHS compliance will need alternative solutions.

Q: What is the flange dimension difference between these connectors?

A: The EB71S-SA0640V flange diameter is 0.142" (3.61mm), while the EBT156-6A1X is 0.140" (4.66mm). This minor difference should not impact panel mounting in standard applications, but verify clearance in space-constrained designs.

Q: Is the EBT156-6A1X available in the same packaging as the original part?

A: The EBT156-6A1X is supplied in bulk packaging. Confirm packaging requirements for your procurement and assembly processes.