307-044-526-201 Equivalent & Substitute Parts

Part Overview

The 307-044-526-201 is a 44-position female card edge connector manufactured by Mercury United Electronics, Inc. This dual-edge connector features a 0.156" (3.96mm) pitch and is designed for through-hole solder termination applications. The part is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and procurement planning.

Substiute Parts

307-044-526-201

Mercury United Electronics, Inc.In Stock: 1134307-044-526-201 Datasheet

Current PartRFQ

307-044-520-201

Mercury United Electronics, Inc.In Stock: 841307-044-520-201 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 307-044-526-201 is determined by strict alignment of the following critical parameters:

• Connector Type & Position Count: 44-position female card edge connector
• Pitch Specification: 0.156" (3.96mm) dual-edge configuration
• Electrical Interface: Dual read-out, through-hole solder termination
• Contact System: Gold-plated finish for signal integrity
• Environmental Compliance: ROHS3 and REACH compliance maintained
• Thermal Range: -40°C to 105°C operating temperature

The substitute part 307-044-520-201 meets all critical substitution criteria. This part maintains identical position count, pitch, gender, row configuration, and termination method. Both connectors are manufactured by Mercury United Electronics, Inc., within the same 307 series, ensuring design compatibility. The substitute part is currently in active production status, providing long-term availability advantages over the obsolete original part.

Parameter Comparison

Engineering Selection Recommendations

The 307-044-520-201 is the direct substitute for the obsolete 307-044-526-201. Both parts maintain identical electrical and mechanical specifications across all critical parameters, including position count, pitch, gender, row configuration, and operating temperature range. The substitute part carries active product status, ensuring continued availability and manufacturing support.

Both parts satisfy ROHS3 and REACH compliance requirements, making them suitable for applications subject to environmental regulations. The substitute part's active status provides procurement advantages for new designs and ongoing system maintenance where the original obsolete part is no longer available through standard distribution channels.

Frequently Asked Questions (FAQ)

Q: Can the 307-044-520-201 be used as a direct replacement for the 307-044-526-201?

A: Yes. Both connectors share identical position count (44), pitch (0.156"), gender (female), row configuration (2), and termination method (solder). The substitute part is manufactured by the same supplier within the same product series.

Q: What is the significance of the card thickness difference between these parts?

A: The main part specifies 0.062" (1.57mm) card thickness, while the substitute accepts 0.054" to 0.070" (1.37mm to 1.78mm). The substitute's tolerance range encompasses the original specification, ensuring mechanical compatibility with cards designed for the 307-044-526-201.

Q: Are there compliance differences between these parts?

A: No. Both parts maintain identical ROHS3 and REACH compliance status, with matching operating temperature ranges (-40°C to 105°C) and moisture sensitivity levels (MSL 1 - Unlimited).

Q: Why is the original part obsolete?

A: The 307-044-526-201 is classified as obsolete by the manufacturer. The 307-044-520-201 remains in active production, providing a current alternative for applications requiring this connector type.

Q: What contact material differences exist between these parts?

A: The main part uses Copper, Nickel, Tin Alloy contacts, while the substitute uses Copper Alloy contacts. Both feature gold plating for signal integrity and corrosion resistance.