Molex 0366330039 Equivalent & Substitute Parts

Part Overview

The Molex 0366330039 is a rectangular connector header designed for through-hole mounting in board-to-cable/wire applications. This connector features 18 positions arranged in 2 rows with a 0.165" (4.20mm) pitch and shrouded 4-wall design. The part is classified as obsolete, making identification of active equivalent models essential for ongoing production and maintenance applications.

The obsolete status of the 0366330039 necessitates sourcing from active alternatives that maintain identical electrical and mechanical specifications to ensure seamless integration into existing designs without requiring circuit board or assembly modifications.

Substiute Parts

0366330039

MolexIn Stock: 8160366330039 Datasheet

Current PartRFQ

0874271842

MolexIn Stock: 41240874271842 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 0366330039 is determined by strict equivalence across the following critical parameters:

• Connector Type & Contact Configuration: Header with male pins
• Position Count & Arrangement: 18 positions in 2-row configuration
• Pitch Specifications: 0.165" (4.20mm) mating pitch and row spacing
• Mechanical Design: Shrouded 4-wall construction with square contact shape
• Mounting & Termination: Through-hole solder termination
• Material Specifications: Polyamide (PA46) nylon 4/6 insulation with tin-plated brass contacts
• Series Designation: Mini-Fit Jr 87427 family

The substitute part Molex 0874271842 maintains complete equivalence across all specified parameters while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0874271842 is the direct active equivalent for the obsolete Molex 0366330039. Both parts are members of the Mini-Fit Jr 87427 connector family and maintain identical electrical and mechanical specifications across all critical parameters.

Selection of the 0874271842 is supported by:

• Product Status: Active manufacturing status ensures long-term availability and supply chain continuity
• Compliance Certifications: Both parts maintain ROHS3 compliance and UL94 V-0 flammability rating
• Regulatory Alignment: Identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications
• Mechanical Compatibility: Complete dimensional and contact specification equivalence enables direct board-level substitution without design modification
• Inventory Availability: The substitute part demonstrates significantly higher stock levels (4079 units versus 760 units)

Frequently Asked Questions (FAQ)

Q: Can the Molex 0874271842 be used as a direct replacement for the 0366330039 without circuit board modifications?

A: Yes. Both parts share identical pitch (0.165" / 4.20mm), position count (18), row configuration (2 rows), mounting type (through-hole), and contact specifications. Direct substitution on existing circuit boards is supported.

Q: What is the significance of the product status difference between these parts?

A: The 0366330039 is classified as obsolete, indicating discontinued manufacturing. The 0874271842 maintains active product status, ensuring ongoing availability from Molex and authorized distributors for current and future production requirements.

Q: Are there differences in packaging between these parts?

A: The 0366330039 packaging specification is not defined in available documentation. The 0874271842 is supplied in tray packaging. Packaging differences do not affect electrical or mechanical compatibility.

Q: Do both parts meet the same regulatory and compliance standards?

A: Yes. Both parts are ROHS3 compliant, carry UL94 V-0 flammability rating, and share identical ECCN (EAR99) and HTSUS (8536.69.4040) classifications.

Q: What are the contact specifications for these connectors?

A: Both parts feature square-shaped male pins with tin plating at 100.0µin (2.54µm) thickness. Contact material is brass. Post length is 0.130" (3.30mm) with insulation height of 0.504" (12.80mm).

Q: Are these parts suitable for industrial and telecommunications applications?

A: Yes. Both parts are specified for general purpose, industrial, and telecommunications applications with UL94 V-0 material flammability rating and MSL 1 (unlimited) moisture sensitivity level.