Equivalent & Substitute Parts for Molex 0423753604

Part Overview

The Molex 0423753604 is a vertical rectangular connector header designed for through-hole mounting applications. This 3-position, 2.54mm pitch connector is classified as an unshrouded, board-to-board header with male pins and solder termination. The part is currently active in production with 722 units in stock. Alternative equivalent parts are necessary when addressing supply chain constraints, specific application requirements for contact material composition, or termination method preferences.

Substiute Parts

0423753604

MolexIn Stock: 7630423753604 Datasheet

Current PartRFQ

68024-103HLF

Amphenol ICC (FCI)In Stock: 200968024-103HLF Datasheet

MFR RecommendedRFQ

78229-103HLF

Amphenol ICC (FCI)In Stock: 467878229-103HLF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0423753604 is determined by the following critical parameters:

• Pitch and Position Compatibility: All substitute parts must maintain 0.100" (2.54mm) mating pitch with 3 positions in a single row configuration to ensure mechanical and electrical compatibility with mating connectors.
• Connector Classification: Substitute parts must be classified as headers with male pin contacts suitable for board-to-board applications.
• Mounting and Termination: Through-hole mounting with solder termination capability is required for PCB assembly compatibility.
• Contact Geometry: Square contact shape and unshrouded design must be preserved.
• Regulatory Compliance: UL94 V-0 flammability rating and RoHS compliance are mandatory for equivalent substitution.

The two identified substitute parts (Amphenol ICC 68024-103HLF and 78229-103HLF) meet these core substitution criteria while offering variations in contact material, contact finish, and termination options.

Parameter Comparison

Engineering Selection Recommendations

Molex 0423753604 remains the primary specification when original part availability is confirmed. This part maintains active production status with established supply inventory.

Amphenol ICC 68024-103HLF serves as a direct functional equivalent with enhanced contact durability through phosphor bronze material and gold plating. This substitute is suitable when improved contact reliability or corrosion resistance is required. The part carries RoHS compliance certification and maintains unlimited moisture sensitivity rating. Current inventory of 1978 units supports immediate availability.

Amphenol ICC 78229-103HLF provides an alternative with dual termination capability (Press-Fit and Solder), offering assembly flexibility for applications requiring either termination method. This part also features phosphor bronze contacts with gold plating and maintains full RoHS compliance. Inventory of 4641 units ensures sustained supply. The insulation material composition (PCT, Glass Filled) differs from the primary part but maintains equivalent flammability and moisture performance ratings.

All three parts satisfy UL94 V-0 flammability requirements and MSL 1 moisture sensitivity specifications, confirming suitability for automotive, general purpose, medical, and telecommunications applications.

Frequently Asked Questions (FAQ)

Q: Can Amphenol ICC 68024-103HLF and 78229-103HLF be used interchangeably with Molex 0423753604?

A: Both Amphenol ICC parts meet the core substitution criteria: identical 2.54mm pitch, 3-position configuration, through-hole mounting, unshrouded design, and square contact geometry. Mechanical and electrical compatibility with mating connectors is maintained. Contact finish differences (gold versus tin) and termination variations do not prevent functional substitution in standard board-to-board applications.

Q: What are the differences in contact material between these parts?

A: The Molex 0423753604 does not specify contact material composition. Both Amphenol ICC substitutes use phosphor bronze contacts with gold or gold GXT™ plating, providing enhanced corrosion resistance and contact durability compared to standard tin-plated alternatives.

Q: Does the insulation height variation affect compatibility?

A: The Molex part specifies 0.090" (2.29mm) insulation height, while both Amphenol ICC substitutes specify 0.100" (2.54mm). This 0.010" difference is within standard connector tolerance ranges and does not compromise mechanical fit or electrical performance in typical board-to-board applications. PCB layout verification is recommended for space-constrained designs.

Q: What is the significance of the Press-Fit termination option on the 78229-103HLF?

A: The 78229-103HLF offers dual termination capability (Press-Fit and Solder), providing assembly method flexibility. Press-fit termination eliminates solder reflow requirements for specific manufacturing processes. Solder termination remains available for standard PCB assembly workflows.

Q: Are all three parts RoHS compliant?

A: Yes. The Molex 0423753604 is ROHS3 Compliant. Both Amphenol ICC substitutes are RoHS Compliant. All parts meet regulatory requirements for restricted substance elimination in electronic component manufacturing.

Q: What inventory levels support production planning?

A: Molex 0423753604 has 722 units in stock. Amphenol ICC 68024-103HLF has 1978 units available. Amphenol ICC 78229-103HLF has 4641 units in inventory. Substitute part availability exceeds primary part stock levels, supporting supply chain continuity.