EB72S-SB104X1-E Equivalent & Substitute Parts

Part Overview

The EB72S-SB104X1-E is a 20-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 through-hole solder termination, suitable for applications requiring reliable edge card interfacing. The product is currently obsolete, making identification of compatible substitute components essential for ongoing system support and maintenance.

Substiute Parts

EB72S-SB104X1-E

Vishay DaleIn Stock: 1212EB72S-SB104X1-E Datasheet

Current PartRFQ

306-010-520-102

Mercury United Electronics, Inc.In Stock: 1112306-010-520-102 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the EB72S-SB104X1-E is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Number of Positions: 20
• Pitch: 0.156" (3.96mm)
• Gender: Female
• Card Type: Dual Edge
• Mounting Type: Through Hole
• Termination: Solder
• Contact Finish: Gold

Compatible Tolerance Range:

• Card Thickness: 0.054" ~ 0.071" (1.37mm ~ 1.80mm)
• Operating Temperature: Minimum -40°C, Maximum 105°C or higher

The substitute part 306-010-520-102 meets all mandatory matching parameters and operates within compatible tolerance ranges. Variations in contact material (Copper Alloy vs. Phosphor Bronze), contact type (Cantilever vs. Full Bellows), and read-out configuration (Dual vs. Single) are permissible within the card edge connector category, provided all primary electrical and mechanical specifications align.

Parameter Comparison

Engineering Selection Recommendations

The 306-010-520-102 is a direct functional substitute for the EB72S-SB104X1-E based on matching electrical and mechanical specifications. The substitute part offers the following advantages:

Product Status: The 306-010-520-102 maintains active product status with current manufacturing support, whereas the EB72S-SB104X1-E is obsolete and subject to supply discontinuation.

Regulatory Compliance: The 306-010-520-102 is ROHS3 compliant, meeting current environmental regulations. The original part is RoHS non-compliant and may face procurement restrictions in regulated markets.

Operating Temperature Range: The original part supports -55°C ~ 125°C operation. The substitute operates within -40°C ~ 105°C. Applications requiring operation below -40°C or above 105°C must evaluate alternative solutions.

Contact Finish Specification: The substitute provides documented contact finish thickness (10.0µin / 0.25µm), offering measurable quality assurance compared to the unspecified finish of the original part.

Frequently Asked Questions (FAQ)

Q: Can the 306-010-520-102 be used as a direct replacement for the EB72S-SB104X1-E?

A: Yes, the 306-010-520-102 is functionally compatible. Both connectors share identical position count (20), pitch (0.156"), gender (Female), card type (Dual Edge), mounting method (Through Hole), and termination type (Solder). Card thickness tolerance ranges overlap within acceptable limits (0.054" ~ 0.070" vs. 0.054" ~ 0.071").

Q: What are the differences between these two connectors?

A: Primary differences include contact material (Copper Alloy vs. Phosphor Bronze), contact type (Cantilever vs. Full Bellows), operating temperature range (-40°C ~ 105°C vs. -55°C ~ 125°C), and regulatory compliance (ROHS3 vs. RoHS non-compliant). These differences do not affect mechanical or electrical compatibility for standard applications.

Q: Are there temperature limitations when substituting?

A: The substitute part operates within -40°C ~ 105°C. If your application requires operation below -40°C or above 105°C, the substitute may not be suitable. Verify your system's temperature requirements before selection.

Q: Does the substitute meet current environmental regulations?

A: Yes, the 306-010-520-102 is ROHS3 compliant. The original EB72S-SB104X1-E is RoHS non-compliant. For applications subject to RoHS requirements, the substitute is the appropriate choice.

Q: What is the card thickness compatibility?

A: The original part accepts cards 0.054" ~ 0.071" thick. The substitute accepts cards 0.054" ~ 0.070" thick. Both ranges overlap sufficiently for standard card edge applications. Verify your card thickness falls within 0.054" ~ 0.070" for guaranteed compatibility with the substitute.

Q: Is the contact finish thickness important for my application?

A: The substitute specifies 10.0µin (0.25µm) gold plating. The original part does not specify finish thickness. For applications with specific wear or conductivity requirements, the documented specification of the substitute provides measurable assurance.