Molex 0449142002 Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0449142002 is a Micro-Fit 3.0 CPI rectangular connector header designed for through-hole board-to-board or cable applications. This connector features a vertical orientation with 20 positions arranged in 2 rows, 3.00mm pitch, and shrouded 4-wall construction. The part is classified as obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications across general purpose, medical, military, and telecommunications sectors.

Substiute Parts

0449142002

MolexIn Stock: 8250449142002 Datasheet

Current PartRFQ

0449147002

MolexIn Stock: 12660449147002 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Molex 0449142002 is determined by strict equivalence across the following critical parameters:

• Connector type, contact type, and gender (Header, Male Pin)
• Position count and row configuration (20 positions, 2 rows)
• Mating pitch and row spacing (0.118" / 3.00mm)
• Mounting method (Through Hole)
• Shrouding design (Shrouded - 4 Wall)
• Termination method (Press-Fit, Solder)
• Insulation material and flammability rating (LCP Glass Filled, UL94 V-0)
• Contact material composition (Modified Tin/Brass Alloy)

The substitute part Molex 0449147002 meets all these criteria and is classified as an active product, providing a direct functional replacement for the obsolete 0449142002.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0449147002 is the direct active equivalent for the obsolete Molex 0449142002. Both components share identical mechanical and electrical specifications within the Micro-Fit 3.0 CPI 44914 series, ensuring functional interchangeability in board-to-board and cable connector applications.

The primary distinction between these parts is regulatory compliance status. The 0449147002 is ROHS3 compliant, whereas the 0449142002 is RoHS non-compliant. For applications subject to RoHS regulations or requiring compliance documentation, the 0449147002 is the appropriate selection. Additionally, the 0449147002 carries active product status with higher inventory availability (1163 pieces versus 764 pieces), supporting supply chain continuity.

A secondary difference exists in post contact finish: the 0449142002 uses Tin-Lead finish while the 0449147002 uses Tin finish. Both finishes are compatible with standard soldering and press-fit termination processes. The contact finish thickness on the post differs slightly (60.0µin for 0449142002 versus 100.0µin for 0449147002), with the 0449147002 providing increased corrosion resistance through greater finish thickness.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0449147002 directly replace the 0449142002 in existing designs?

A: Yes. Both connectors are mechanically and electrically identical within the Micro-Fit 3.0 CPI 44914 series. They share the same 20-position, 2-row configuration, 3.00mm pitch, through-hole mounting, and shrouded 4-wall design. No PCB layout or mating connector modifications are required.

Q: What is the significance of the RoHS compliance difference?

A: The 0449147002 is ROHS3 compliant while the 0449142002 is not. For applications or markets requiring RoHS compliance documentation, the 0449147002 must be used. The compliance difference reflects manufacturing process updates and does not affect functional performance.

Q: Are there packaging differences between these parts?

A: The 0449142002 packaging specification is not provided in the technical data. The 0449147002 is supplied in Tray packaging. Confirm packaging requirements with your procurement specifications.

Q: How do the contact finish differences affect performance?

A: The 0449142002 uses Tin-Lead post finish (60.0µin thickness) while the 0449147002 uses Tin post finish (100.0µin thickness). Both are suitable for soldering and press-fit applications. The increased thickness on the 0449147002 provides enhanced corrosion resistance in long-term storage and high-humidity environments.

Q: What is the inventory status for these parts?

A: The 0449142002 has 764 pieces in stock with obsolete status. The 0449147002 has 1163 pieces in stock with active product status, providing better long-term supply availability.