EB72D-SC1860X Equivalent & Substitute Parts

Part Overview

The EB72D-SC1860X is a 36-position female card edge connector manufactured by Vishay Dale, designed for dual-edge applications with 0.156" (3.96mm) pitch spacing. This connector features phosphor bronze contacts with gold finish, through-hole solder termination, and operates across -55°C to 125°C. The product is classified as obsolete, making identification of active equivalent parts essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer Part Number	EB72D-SC1860X
Manufacturer	Vishay Dale
Category	Card Edge Connectors
Number of Positions	36
Gender	Female
Pitch	0.156" (3.96mm)
Number of Rows	2
Card Type	Non Specified - Dual Edge
Card Thickness Range	0.054" ~ 0.071" (1.37mm ~ 1.80mm)
Contact Material	Phosphor Bronze
Contact Finish	Gold
Contact Type	Full Bellows
Mounting Type	Through Hole
Termination	Solder
Operating Temperature	-55°C ~ 125°C
Product Status	Obsolete
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the EB72D-SC1860X is determined by strict equivalence across the following critical parameters:

Position Count & Pitch: 36 positions at 0.156" (3.96mm) spacing
Connector Type: Female, dual-edge card edge configuration
Contact System: Phosphor bronze with gold finish, full bellows contact type
Termination Method: Through-hole solder attachment
Mechanical Compatibility: Card thickness accommodation and flange mounting geometry
Electrical Performance: Operating temperature range and contact material properties

The GMM18DRTH from Sullins Connector Solutions meets these core substitution criteria. Both connectors share identical position counts, pitch spacing, contact materials, and termination methods. The substitute part accommodates a card thickness of 0.062" (1.57mm), which falls within the operational range of the original part's 0.054" ~ 0.071" specification.

Parameter Comparison

Parameter	EB72D-SC1860X (Vishay Dale)	GMM18DRTH (Sullins)	Compatibility
Number of Positions	36	36	Equivalent
Gender	Female	Female	Equivalent
Pitch	0.156" (3.96mm)	0.156" (3.96mm)	Equivalent
Number of Rows	2	2	Equivalent
Card Type	Non Specified - Dual Edge	Non Specified - Dual Edge	Equivalent
Contact Material	Phosphor Bronze	Phosphor Bronze	Equivalent
Contact Finish	Gold	Gold	Equivalent
Contact Type	Full Bellows	Full Bellows	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Termination	Solder	Solder	Equivalent
Operating Temperature	-55°C ~ 125°C	-65°C ~ 125°C	Compatible (wider range)
Card Thickness	0.054" ~ 0.071" (1.37mm ~ 1.80mm)	0.062" (1.57mm)	Within specification
Product Status	Obsolete	Active	Substitute is active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Improved compliance

Engineering Selection Recommendations

The GMM18DRTH serves as a direct functional equivalent to the EB72D-SC1860X for new designs and system replacements. The substitute part is manufactured by Sullins Connector Solutions, an active supplier with current production status, ensuring long-term availability and supply chain continuity.

Key selection factors:

Product Status: The GMM18DRTH is active production, whereas the EB72D-SC1860X is obsolete. This transition eliminates future sourcing constraints.
Regulatory Compliance: The GMM18DRTH achieves ROHS3 compliance, improving environmental and regulatory alignment compared to the non-compliant original part.
Temperature Performance: The substitute part extends the lower operating temperature limit to -65°C, providing enhanced thermal margin for demanding applications.
Mechanical Fit: The GMM18DRTH's 0.062" card thickness specification is centered within the original part's 0.054" ~ 0.071" tolerance band, ensuring reliable mechanical engagement.

Frequently Asked Questions (FAQ)

Q: Can GMM18DRTH directly replace EB72D-SC1860X in existing assemblies?

A: Yes. Both connectors share identical position counts (36), pitch spacing (0.156"), contact materials (phosphor bronze with gold finish), and termination methods (through-hole solder). The mechanical card thickness accommodation of the GMM18DRTH falls within the original specification range.

Q: What is the difference in card thickness specification?

A: The EB72D-SC1860X accommodates cards from 0.054" to 0.071" (1.37mm to 1.80mm). The GMM18DRTH is specified for 0.062" (1.57mm) cards, which represents the nominal midpoint of the original range. For applications requiring the full tolerance band of the original part, verify that your card thickness matches the 0.062" specification.

Q: Does the GMM18DRTH offer improved compliance?

A: Yes. The GMM18DRTH is ROHS3 compliant, whereas the EB72D-SC1860X is RoHS non-compliant. This improvement aligns with current environmental regulations and may be required for new product certifications.

Q: Are there packaging differences between these parts?

A: The EB72D-SC1860X packaging is not specified in available documentation. The GMM18DRTH is supplied in Tray packaging. Verify packaging requirements for your procurement and assembly processes.

Q: What is the temperature operating range difference?

A: The EB72D-SC1860X operates from -55°C to 125°C. The GMM18DRTH extends the lower limit to -65°C while maintaining the 125°C upper limit. This provides an additional 10°C of cold-temperature margin for applications in extreme environments.

Q: Are contact finish thicknesses specified for both parts?

A: The EB72D-SC1860X does not specify contact finish thickness. The GMM18DRTH provides a gold finish thickness of 30.0µin (0.76µm), ensuring consistent contact performance and corrosion resistance.

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