EB73S-SB0660W Equivalent & Substitute Parts

Part Overview

The EB73S-SB0660W is a 12-position female card edge connector manufactured by Vishay Dale, designed for through-hole solder termination applications. This connector features dual-edge configuration with 0.156" (3.96mm) pitch spacing and gold-plated phosphor bronze contacts. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	EB73S-SB0660W
Manufacturer	Vishay Dale
Category	Card Edge Connectors
Number of Positions	12
Gender	Female
Card Type	Non Specified - Dual Edge
Pitch	0.156" (3.96mm)
Card Thickness Range	0.054" ~ 0.071" (1.37mm ~ 1.80mm)
Number of Rows	2
Mounting Type	Through Hole
Termination	Solder
Contact Material	Phosphor Bronze
Contact Finish	Gold
Operating Temperature	-55°C ~ 125°C
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EB73S-SB0660W is determined by the following critical parameters:

Connector Type & Configuration: Card edge dual-edge female connector with 12 positions across 2 rows
Pitch Specification: 0.156" (3.96mm) center-to-center spacing
Card Thickness Compatibility: Acceptable range 0.054" ~ 0.071" (1.37mm ~ 1.80mm)
Electrical Interface: Through-hole solder termination with gold-plated contacts
Mechanical Compatibility: Dual-edge card insertion capability

The substitute part 356-006-520-101 (Mercury United Electronics, Inc.) meets these core functional requirements. Both connectors share identical position count, pitch, dual-edge configuration, and solder termination methodology. Variations in contact material composition (phosphor bronze versus copper alloy), contact type geometry (full bellows versus cantilever), and operating temperature range represent acceptable engineering trade-offs within the card edge connector category.

Parameter Comparison

Parameter	EB73S-SB0660W (Vishay Dale)	356-006-520-101 (Mercury)	Compatibility Notes
Number of Positions	12	12	Identical
Gender	Female	Female	Identical
Card Type	Non Specified - Dual Edge	Non Specified - Dual Edge	Identical
Pitch	0.156" (3.96mm)	0.156" (3.96mm)	Identical
Card Thickness Range	0.054" ~ 0.071" (1.37mm ~ 1.80mm)	0.054" ~ 0.070" (1.37mm ~ 1.78mm)	Overlapping ranges; substitute accommodates 0.054" ~ 0.070"
Number of Rows	2	2	Identical
Mounting Type	Through Hole	Through Hole	Identical
Termination	Solder	Solder	Identical
Contact Finish	Gold	Gold	Identical; substitute specifies 10.0µin (0.25µm) thickness
Contact Material	Phosphor Bronze	Copper Alloy	Different base materials; both suitable for gold plating
Contact Type	Full Bellows	Cantilever	Different contact geometries; both provide dual-edge engagement
Operating Temperature	-55°C ~ 125°C	-40°C ~ 105°C	Original part has wider range; substitute suitable for -40°C ~ 105°C applications
Color	Black	Black	Identical
Product Status	Obsolete	Active	Substitute is currently manufactured and available
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Substitute meets current RoHS3 requirements

Engineering Selection Recommendations

The 356-006-520-101 (Mercury United Electronics, Inc.) is the qualified substitute for the obsolete EB73S-SB0660W. Selection rationale is based on the following factors:

Functional Equivalence: Both connectors provide identical 12-position dual-edge female card edge connectivity with 0.156" pitch and through-hole solder termination. Mechanical and electrical interfaces are compatible for direct replacement in existing PCB designs.

Compliance Status: The substitute part is ROHS3 compliant and carries active product status with confirmed inventory availability (875 pcs). The original part is RoHS non-compliant and obsolete, making the substitute the appropriate choice for new designs and ongoing production support.

Operating Conditions: The substitute operates within -40°C ~ 105°C, which covers the majority of industrial and commercial applications. Systems requiring the original part's extended -55°C ~ 125°C range should evaluate thermal requirements against the substitute's specification.

Contact Geometry Variation: The substitute employs cantilever-type contacts versus the original's full bellows design. Both contact types are engineered for reliable dual-edge card insertion and provide equivalent electrical performance in this connector category.

Frequently Asked Questions (FAQ)

Q: Can the 356-006-520-101 be used as a direct replacement for the EB73S-SB0660W in existing designs?

A: Yes, for applications operating within -40°C ~ 105°C. Both connectors share identical position count, pitch spacing, dual-edge configuration, and solder termination. PCB footprints and card edge dimensions are compatible. Verify your application's operating temperature range against the substitute's specification.

Q: What is the difference between full bellows and cantilever contact types?

A: Full bellows contacts feature a spring-loaded design with extended travel, while cantilever contacts use a simpler beam design. Both types provide reliable dual-edge card engagement and electrical contact. The cantilever design in the substitute is standard for this connector category and does not affect functional compatibility.

Q: Does the substitute's RoHS3 compliance affect electrical performance?

A: No. RoHS3 compliance indicates the substitute meets current environmental and material restrictions. The gold plating and copper alloy base material provide equivalent electrical conductivity and contact reliability compared to the original phosphor bronze design.

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

A: The original part accommodates 0.054" ~ 0.071" (1.37mm ~ 1.80mm) card thickness, while the substitute accommodates 0.054" ~ 0.070" (1.37mm ~ 1.78mm). The substitute's range covers the vast majority of standard PCB thicknesses. If your application uses cards thicker than 0.070", verify compatibility with the substitute's mechanical specifications.

Q: Is the substitute available in the same packaging as the original?

A: The substitute is supplied in bulk packaging. Confirm packaging and quantity requirements with your procurement process.

Q: What is the contact finish thickness specification for the substitute?

A: The substitute specifies 10.0µin (0.25µm) gold plating thickness, providing defined contact durability and electrical performance characteristics.

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