Equivalent & Substitute Parts for Molex 0366330034

Part Overview

The Molex 0366330034 is a rectangular connector header designed for through-hole mounting in board-to-cable/wire applications. This connector features a vertical orientation with 4 positions arranged in 2 rows, utilizing a 0.165" (4.20mm) pitch and shrouded design with 4 walls for mechanical protection. The part is classified as obsolete, making identification of active equivalent components essential for ongoing design support and procurement continuity.

Substiute Parts

0366330034

MolexIn Stock: 10600366330034 Datasheet

Current PartRFQ

0874270442

MolexIn Stock: 101480874270442 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute part Molex 0874270442 qualifies as a direct equivalent based on the following critical parameters:

• Connector Type & Contact Configuration: Both parts are headers with male pin contacts
• Position Count & Row Configuration: Identical 4-position, 2-row arrangement
• Pitch Specifications: Matching 0.165" (4.20mm) mating pitch and row spacing
• Mechanical Design: Both feature shrouded 4-wall construction for identical mechanical protection
• Mounting & Termination: Through-hole solder termination on both parts
• Material Specifications: Identical brass contact material with tin finish and polyamide insulation
• Series Classification: Both belong to the Mini-Fit Jr 87427 series

The primary distinction is product status: the original part 0366330034 is obsolete, while 0874270442 is active with significantly higher inventory availability (10,042 pieces versus 1,017 pieces).

Parameter Comparison

Engineering Selection Recommendations

The Molex 0874270442 is a direct functional and mechanical equivalent to the obsolete 0366330034. Both parts maintain identical electrical and mechanical specifications across all critical parameters including pitch, position count, shrouding configuration, and contact materials.

Selection of the 0874270442 is supported by:

• Active Product Status: The substitute maintains active manufacturing status with established supply chain availability
• Regulatory Compliance: Both parts maintain identical RoHS3 compliance and UL94 V-0 flammability certification
• Environmental Classification: Matching MSL 1 (Unlimited) moisture sensitivity level ensures equivalent handling and storage requirements
• Trade Classification: Identical ECCN and HTSUS codes confirm equivalent regulatory treatment

The substitute part is suitable for direct replacement in applications currently utilizing the 0366330034 without design modification.

Frequently Asked Questions (FAQ)

Q: Can the 0874270442 be used as a direct replacement for the 0366330034?

A: Yes. Both parts are identical in connector type, position count, pitch, row spacing, shrouding design, mounting method, and termination. All electrical and mechanical parameters match exactly.

Q: What is the primary reason for substitution?

A: The original part 0366330034 is classified as obsolete. The 0874270442 is an active equivalent with higher inventory availability (10,042 pieces versus 1,017 pieces).

Q: Are there any differences in compliance or certification?

A: No. Both parts maintain identical RoHS3 compliance, UL94 V-0 flammability rating, MSL 1 classification, and trade codes (ECCN EAR99, HTSUS 8536.69.4040).

Q: Does packaging differ between these parts?

A: The original part 0366330034 has unspecified packaging, while the substitute 0874270442 is supplied in bulk packaging. This does not affect functional or mechanical compatibility.

Q: Are both parts from the same manufacturer?

A: Yes. Both are manufactured by Molex and belong to the Mini-Fit Jr 87427 series.

Q: What are the critical parameters that define substitution eligibility?

A: Substitution is determined by matching connector type, contact configuration, position count, row arrangement, mating pitch, row spacing, shrouding design, mounting type, termination method, contact material, finish specifications, and insulation material. All these parameters are identical between the two parts.