EB72D-SA3660Z Equivalent & Substitute Parts

Part Overview

The EB72D-SA3660Z is a 72-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 with full bellows design and solder eyelet termination for panel mount applications. The product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and component procurement.

Key Parameters

Parameter	Value
Connector Type	Card Edge, Dual Female
Number of Positions	72 (36 per row)
Pitch	0.156" (3.96mm)
Card Thickness Range	0.054" ~ 0.071" (1.37mm ~ 1.80mm)
Contact Material	Phosphor Bronze
Contact Finish	Gold
Contact Type	Full Bellows
Termination	Solder Eyelet(s)
Mounting Type	Panel Mount
Operating Temperature	-55°C ~ 125°C
Read Out	Dual

Substitute Part Grouping Explanation

Substitution of the EB72D-SA3660Z is determined by strict equivalence across the following critical parameters:

Position Count & Configuration: 72 total positions arranged as dual rows of 36 positions each
Pitch Specification: 0.156" (3.96mm) center-to-center spacing
Contact System: Phosphor bronze with gold plating and full bellows design
Termination Method: Solder eyelet(s) for PCB attachment
Mounting Configuration: Panel mount with floating bobbin design
Read Out Architecture: Dual edge configuration

The GMM36DSEF from Sullins Connector Solutions meets these core substitution criteria. Both connectors share identical position counts, pitch specifications, contact materials, and termination methods. Mechanical compatibility is maintained within the specified card thickness ranges, though dimensional variations exist in flange design and mounting features.

Parameter Comparison

Parameter	EB72D-SA3660Z (Vishay Dale)	GMM36DSEF (Sullins)	Compatibility Status
Number of Positions	72	72	Equivalent
Pitch	0.156" (3.96mm)	0.156" (3.96mm)	Equivalent
Card Thickness	0.054" ~ 0.071" (1.37mm ~ 1.80mm)	0.062" (1.57mm)	Compatible
Number of Rows	2	2	Equivalent
Contact Material	Phosphor Bronze	Phosphor Bronze	Equivalent
Contact Finish	Gold	Gold	Equivalent
Contact Type	Full Bellows	Full Bellows	Equivalent
Termination	Solder Eyelet(s)	Solder Eyelet(s)	Equivalent
Mounting Type	Panel Mount	Panel Mount	Equivalent
Read Out	Dual	Dual	Equivalent
Operating Temperature	-55°C ~ 125°C	-65°C ~ 125°C	Compatible (GMM36DSEF exceeds range)
Product Status	Obsolete	Active	Substitute is current production
RoHS Compliance	Non-compliant	ROHS3 Compliant	Substitute meets current standards

Engineering Selection Recommendations

The GMM36DSEF serves as the primary substitute for the obsolete EB72D-SA3660Z based on functional and electrical equivalence. Both connectors maintain identical contact pitch, position configuration, and termination methodology, ensuring direct mechanical and electrical compatibility within specified card thickness parameters.

The GMM36DSEF offers additional advantages in terms of product lifecycle status. As an active production component from Sullins Connector Solutions, it provides assured long-term availability and supply chain stability compared to the obsolete Vishay Dale part. The substitute also achieves ROHS3 compliance, aligning with current regulatory requirements, whereas the original part is non-compliant.

The extended operating temperature range of the GMM36DSEF (-65°C to 125°C versus -55°C to 125°C) provides additional thermal margin for demanding applications. Flange design differences between the two connectors (flush mount with 0.116" dia bobbin on the original versus top mount opening with 0.116" dia bobbin on the substitute) require mechanical validation in specific mounting configurations, though both maintain equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Are the EB72D-SA3660Z and GMM36DSEF electrically interchangeable?

A: Yes. Both connectors feature identical 72-position configurations with 0.156" pitch, phosphor bronze gold-plated contacts, full bellows design, and solder eyelet termination. Electrical performance and signal integrity characteristics are equivalent.

Q: What are the mechanical compatibility considerations?

A: The primary mechanical difference is the flange design. The EB72D-SA3660Z uses a flush mount configuration, while the GMM36DSEF employs a top mount opening design. Both maintain the same 0.116" diameter floating bobbin. Card thickness compatibility exists within the overlapping range of 0.062" (1.57mm), which falls within the EB72D-SA3660Z specification of 0.054" ~ 0.071" (1.37mm ~ 1.80mm). Physical mounting geometry should be verified for specific PCB and chassis configurations.

Q: Does the GMM36DSEF meet current compliance standards?

A: Yes. The GMM36DSEF is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The original EB72D-SA3660Z is RoHS non-compliant, making the substitute preferable for new designs and systems subject to environmental regulations.

Q: What is the availability status of each part?

A: The EB72D-SA3660Z is obsolete with limited remaining inventory (862 pcs reported). The GMM36DSEF is an active production part with current inventory availability (1032 pcs reported), ensuring reliable procurement for ongoing applications.

Q: Are there any performance differences in operating temperature ranges?

A: The GMM36DSEF operates across -65°C to 125°C, exceeding the EB72D-SA3660Z range of -55°C to 125°C. This provides additional thermal margin for low-temperature applications without any performance degradation at upper temperature limits.

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