EB73D-SA1540X Equivalent & Substitute Parts

Part Overview

The EB73D-SA1540X is a 30-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, panel mount configuration, and solder eyelet termination. The product is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Connector Type	Card Edge, Dual Female
Number of Positions	30 (15 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
Mounting Type	Panel Mount
Termination	Solder Eyelet(s)
Operating Temperature	-55°C ~ 125°C
Insulation Material	Polyester Thermoplastic, Glass Filled

Substitute Part Grouping Explanation

Substitution eligibility for the EB73D-SA1540X is determined by strict alignment of the following parameters:

Connector Configuration: Dual-edge, female gender, 30-position (15 per row)
Electrical Interface: 0.156" (3.96mm) pitch spacing
Mechanical Compatibility: Card thickness acceptance range and flange mounting geometry
Contact System: Phosphor bronze with gold plating and full bellows contact type
Termination Method: Solder eyelet configuration for PCB integration
Environmental Rating: Operating temperature range and moisture sensitivity classification

The GSM15DSEH from Sullins Connector Solutions meets these substitution criteria while offering active product status and improved compliance certifications.

Parameter Comparison

Parameter	EB73D-SA1540X (Vishay Dale)	GSM15DSEH (Sullins)	Compatibility Notes
Connector Type	Card Edge Dual Female	Card Edge Dual Female	Identical
Number of Positions	30 (15 per row)	30 (15 per row)	Identical
Pitch	0.156" (3.96mm)	0.156" (3.96mm)	Identical
Card Thickness	0.054" ~ 0.071" (1.37mm ~ 1.80mm)	0.062" (1.57mm)	GSM15DSEH accepts nominal thickness within EB73D-SA1540X range
Contact Material	Phosphor Bronze	Phosphor Bronze	Identical
Contact Finish	Gold	Gold	Identical
Contact Type	Full Bellows	Full Bellows	Identical
Mounting Type	Panel Mount	Panel Mount	Identical
Termination	Solder Eyelet(s)	Solder Eyelet(s)	Identical
Operating Temperature	-55°C ~ 125°C	-65°C ~ 125°C	GSM15DSEH provides extended low-temperature range
Insulation Material	Polyester Thermoplastic, Glass Filled	Polyamide (PA9T), Nylon 9T	Different materials; both suitable for connector application
Product Status	Obsolete	Active	GSM15DSEH offers ongoing availability and support
RoHS Status	RoHS non-compliant	ROHS3 Compliant	GSM15DSEH meets current regulatory requirements

Engineering Selection Recommendations

The GSM15DSEH is the qualified substitute for the EB73D-SA1540X based on the following engineering criteria:

Functional Equivalence: Both connectors maintain identical electrical and mechanical interfaces across all critical parameters including position count, pitch, contact material, and termination method.

Product Lifecycle: The EB73D-SA1540X is classified as obsolete, whereas the GSM15DSEH maintains active product status with current manufacturing support and documented availability.

Regulatory Compliance: The GSM15DSEH achieves ROHS3 compliance, addressing modern regulatory requirements. The EB73D-SA1540X is RoHS non-compliant, limiting its use in applications subject to current environmental standards.

Environmental Performance: The GSM15DSEH extends the low-temperature operating range to -65°C, providing enhanced thermal margin for demanding applications while maintaining the upper temperature limit of 125°C.

Mechanical Compatibility: The GSM15DSEH card thickness specification of 0.062" (1.57mm) falls within the EB73D-SA1540X acceptance range of 0.054" ~ 0.071", ensuring mechanical fit in existing card slot designs.

Frequently Asked Questions (FAQ)

Q: Can GSM15DSEH be used as a direct replacement for EB73D-SA1540X in existing designs?

A: Yes. The GSM15DSEH maintains identical connector configuration, pitch, contact system, and termination method. The card thickness specification of 0.062" is compatible with the EB73D-SA1540X acceptance range. No design modifications are required for mechanical or electrical integration.

Q: What is the difference in insulation material between these connectors?

A: The EB73D-SA1540X uses polyester thermoplastic with glass filling, while the GSM15DSEH uses polyamide (PA9T) nylon 9T. Both materials are suitable for connector applications and provide equivalent electrical insulation properties for this product category.

Q: Does the extended temperature range of GSM15DSEH affect compatibility?

A: No. The GSM15DSEH operating range of -65°C ~ 125°C encompasses the EB73D-SA1540X range of -55°C ~ 125°C. The extended low-temperature capability provides additional margin without affecting compatibility in applications within the original temperature specification.

Q: Are there packaging differences between these parts?

A: The EB73D-SA1540X packaging is not specified in the available data. The GSM15DSEH is supplied in tray packaging. Verify packaging requirements for your procurement and assembly processes.

Q: Why is RoHS compliance important for this substitution?

A: The GSM15DSEH achieves ROHS3 compliance, meeting current environmental and regulatory standards required in many industries and markets. The EB73D-SA1540X non-compliance status may restrict its use in new designs or applications subject to regulatory requirements.

Q: What is the base product number for GSM15DSEH?

A: The base product number is GSM15, which identifies the connector series within the Sullins product line.

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