EB71S-SB0660X Equivalent & Substitute Parts

Part Overview

The EB71S-SB0660X 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 is rated for operating temperatures from -55°C to 125°C. The product is currently obsolete, making identification of suitable substitute components essential for ongoing system support and maintenance applications.

Substiute Parts

EB71S-SB0660X

Vishay DaleIn Stock: 1168EB71S-SB0660X Datasheet

Current PartRFQ

EBT156-6A1X

Vishay DaleIn Stock: 1103EBT156-6A1X Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EB71S-SB0660X is determined by the following critical parameters that must remain consistent:

• Number of Positions and Pitch: 12 positions at 0.156" (3.96mm) spacing is the primary functional requirement
• Card Type and Gender: Dual edge female configuration maintains mechanical compatibility
• Number of Rows: 2-row configuration is essential for proper card engagement
• Electrical Interface: Solder termination and contact material compatibility
• Physical Dimensions: Card thickness tolerance and flange feature specifications

The substitute part EBT156-6A1X maintains compatibility across these critical parameters while offering an active product status alternative.

Parameter Comparison

Engineering Selection Recommendations

The EBT156-6A1X serves as the primary substitute for the obsolete EB71S-SB0660X. Both components maintain identical pitch spacing, position count, and dual-edge female configuration, ensuring mechanical and electrical compatibility at the connector interface level.

Key considerations for selection:

• Product Status: The substitute part maintains active manufacturing status, ensuring long-term availability and supply chain continuity
• Contact Finish Difference: The substitute uses tin plating instead of gold. This represents a material change that may affect contact resistance characteristics in specific environmental conditions
• Mounting Configuration: The substitute transitions from through-hole to panel mount, requiring PCB layout modification
• Insulation Material: The substitute uses glass-filled phenolic instead of DAP, offering different mechanical and thermal properties
• Card Thickness Tolerance: The substitute specifies a fixed 0.062" thickness within the original tolerance range of 0.054" ~ 0.071"

Both components carry identical RoHS non-compliance and ECCN classifications (EAR99), maintaining regulatory consistency.

Frequently Asked Questions (FAQ)

Q: Can EBT156-6A1X directly replace EB71S-SB0660X in existing designs?

A: Mechanical and electrical compatibility exists at the connector interface due to matching pitch, position count, and dual-edge female configuration. However, mounting type differs (through-hole versus panel mount), requiring PCB design modification. Contact finish and insulation material changes may affect performance in specific environmental or thermal applications.

Q: What is the impact of changing from gold to tin contact finish?

A: Contact finish affects electrical properties including contact resistance and corrosion resistance. Gold provides superior corrosion resistance and lower contact resistance. Tin plating is suitable for standard industrial applications but may require environmental protection in high-humidity or corrosive atmospheres.

Q: Are there compatibility issues with card thickness?

A: The original part accepts cards from 0.054" to 0.071" thickness. The substitute specifies 0.062" thickness. Cards within the original tolerance range at or near 0.062" will function with the substitute. Cards at the extreme ends of the original tolerance (0.054" or 0.071") may experience fit issues.

Q: What are the implications of the mounting type change?

A: Through-hole mounting (original) uses solder connections through PCB vias. Panel mount (substitute) uses solder eyelets for surface connection. This requires different PCB footprint design and assembly procedures.

Q: Do both parts share the same regulatory classifications?

A: Yes. Both components are RoHS non-compliant, carry ECCN classification EAR99, and share identical HTSUS code 8536.69.4040, maintaining regulatory consistency for export and compliance documentation.