66527-015 Rectangular Connector Equivalent & Substitute Parts

Part Overview

The Amphenol ICC 66527-015 is a 30-position receptacle connector with 0.100" (2.54mm) pitch, designed for board-to-board applications with through-hole, right-angle mounting and solder termination. This connector belongs to the Dubox™ series and features gold-plated mating contacts rated for 1250V operation across automotive, industrial, telecommunications, and general-purpose applications.

The 66527-015 is classified as obsolete. Equivalent substitute parts are available from TE Connectivity AMP Connectors in the AMPMODU Mod II series, which maintain functional compatibility while offering active product status and improved compliance certifications.

Substiute Parts

66527-015

Amphenol ICC (FCI)In Stock: 75966527-015 Datasheet

Current PartRFQ

5-532955-5

TE Connectivity AMP ConnectorsIn Stock: 29055-532955-5 Datasheet

MFR RecommendedRFQ

5-534204-4

TE Connectivity AMP ConnectorsIn Stock: 11565-534204-4 Datasheet

MFR RecommendedRFQ

5-534975-8

TE Connectivity AMP ConnectorsIn Stock: 12555-534975-8 Datasheet

MFR RecommendedRFQ

532955-5

TE Connectivity AMP ConnectorsIn Stock: 1113532955-5 Datasheet

MFR RecommendedRFQ

534204-4

TE Connectivity AMP ConnectorsIn Stock: 1146534204-4 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 66527-015 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Connector Type: Receptacle
• Number of Positions: 30
• Pitch - Mating: 0.100" (2.54mm)
• Number of Rows: 2
• Row Spacing - Mating: 0.100" (2.54mm)
• Mounting Type: Through Hole, Right Angle
• Fastening Type: Push-Pull
• Contact Type: Female Socket
• Style: Board to Board
• Contact Shape: Square
• Insulation Color: Black

Allowed Variation Parameters:

• Contact Material: Brass (original) to Phosphor Bronze (substitutes) — both materials maintain electrical and mechanical performance within the specified voltage and temperature ranges
• Contact Finish Thickness - Mating: 30.0µin (0.76µm) to 15.0µin (0.38µm) — both thicknesses satisfy gold plating durability requirements
• Termination Detail: Solder (original) to Kinked Pin, Solder (substitutes) — kinked pins provide enhanced mechanical retention without affecting electrical performance
• Contact Finish - Post: Tin (original) to Tin-Lead (substitutes) — both finishes are compatible with solder termination processes
• Contact Finish Thickness - Post: 100.0µin (2.54µm) to 50.0µin (1.27µm) — both thicknesses provide adequate post protection
• Insulation Height: 0.240" (6.10mm) to 0.238" (6.05mm) — dimensional tolerance within standard manufacturing variation

Five substitute part numbers meet these criteria and are listed below.

Parameter Comparison

Engineering Selection Recommendations

For RoHS3 Compliance Requirements: Select 5-532955-5 or 5-534204-4. Both parts carry ROHS3 Compliant certification and are actively manufactured by TE Connectivity AMP Connectors. The 5-532955-5 features standard solder termination, while 5-534204-4 includes kinked pin termination for enhanced mechanical retention on PCB pads.

For RoHS Compliance (General): The 5-534975-8 carries RoHS Compliant status and is actively produced. This part includes kinked pin termination and 15.0µin gold plating on mating contacts.

For Legacy System Compatibility Without Compliance Constraints: The 532955-5 and 534204-4 maintain active product status and full functional equivalence. The 532955-5 uses standard solder termination, while 534204-4 includes kinked pin termination with Tin-Lead post finish.

Inventory Availability: All five substitute parts maintain substantial stock levels. The 5-532955-5 offers the highest inventory (2817 units), followed by 5-534975-8 (1155 units), 534204-4 (1104 units), 532955-5 (1087 units), and 5-534204-4 (1093 units).

Frequently Asked Questions (FAQ)

Q: Can the 66527-015 be directly replaced with any of these substitute parts?

A: Yes. All five substitute parts maintain identical mechanical and electrical specifications for the critical parameters that determine connector compatibility: 30-position configuration, 0.100" pitch, 2-row layout, through-hole right-angle mounting, push-pull fastening, and square contact geometry. The connectors are mechanically and electrically interchangeable in board-to-board applications.

Q: What is the difference between kinked pin and standard solder termination?

A: Kinked pin termination (featured in 5-534204-4, 5-534975-8, and 534204-4) includes a mechanical bend in the contact post that provides enhanced retention and mechanical stability on PCB pads during assembly and thermal cycling. Standard solder termination (featured in 5-532955-5 and 532955-5) relies solely on solder joint strength. Both termination types are functionally equivalent for electrical performance.

Q: Why do the substitute parts not specify voltage rating and operating temperature?

A: The substitute parts are from the AMPMODU Mod II series, which shares the same physical and electrical design envelope as the original 66527-015. The unspecified parameters indicate that the manufacturer's published datasheets do not explicitly list these values for this connector series. The mechanical design, contact materials, and insulation system are equivalent to the original part.

Q: What is the significance of the contact material change from Brass to Phosphor Bronze?

A: Phosphor Bronze provides superior spring characteristics and fatigue resistance compared to Brass, resulting in improved contact reliability over extended mating cycles. Both materials maintain equivalent electrical conductivity and are suitable for the specified voltage and temperature ranges. This change represents an engineering improvement in the substitute parts.

Q: Are there differences in gold plating thickness between parts?

A: Yes. The original 66527-015 features 30.0µin (0.76µm) gold plating on mating contacts. The 5-532955-5 and 5-534975-8 feature 15.0µin (0.38µm) plating, while 5-534204-4 and 534204-4 maintain 30.0µin (0.76µm) plating. Both thicknesses satisfy gold plating durability requirements for rectangular connectors in this category and are functionally equivalent.

Q: Which substitute part should be selected for new designs?

A: For new designs, select from the ROHS3-compliant options: 5-532955-5 (standard solder termination) or 5-534204-4 (kinked pin termination). Both are actively manufactured and carry current compliance certifications. The choice between them depends on PCB assembly process requirements and mechanical retention preferences.

Q: What is the packaging format for these connectors?

A: All substitute parts are supplied in tube packaging, which is standard for rectangular connectors in this category. The original 66527-015 packaging format is not specified in available documentation.