Molex 0444722256 Rectangular Connector - Equivalent & Substitute Parts

Part Overview

The Molex 0444722256 is a shrouded vertical header connector from the Mini-Fit HCS 44472 series, designed for through-hole mounting in board-to-cable/wire applications. This connector features 22 positions arranged in 2 rows with 0.165" (4.20mm) pitch and mating row spacing. The part is classified as obsolete, making identification of active equivalent components essential for ongoing production and maintenance applications across automotive, industrial, medical, and telecommunications sectors.

Substiute Parts

0444722256

MolexIn Stock: 9480444722256 Datasheet

Current PartRFQ

0444722254

MolexIn Stock: 7020444722254 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Molex 0444722256 is determined by strict equivalence across the following critical parameters:

• Connector Type & Series: Header connector from Mini-Fit HCS 44472 series
• Position Configuration: 22 positions in 2-row arrangement
• Pitch Specifications: 0.165" (4.20mm) mating pitch and row spacing
• Mounting & Termination: Through-hole solder termination
• Shrouding Design: Shrouded 4-wall construction
• Contact Specifications: Male pins, copper alloy with tin finish
• Insulation Properties: Polyamide (PA66) nylon 6/6 material, natural color
• Mechanical Dimensions: 0.504" (12.80mm) insulation height, 0.138" (4.60mm) post length
• Compliance: UL94 V-2 flammability rating, ROHS3 compliance, MSL 1

The substitute part Molex 0444722254 maintains identical electrical and mechanical specifications across all provided parameters, with the primary distinction being active product status versus the obsolete status of the original part.

Parameter Comparison

Engineering Selection Recommendations

The Molex 0444722254 serves as a direct functional equivalent to the obsolete Molex 0444722256. Both connectors are manufactured by Molex within the Mini-Fit HCS 44472 series and maintain identical electrical, mechanical, and compliance specifications. The 0444722254 is classified as an active product, ensuring ongoing availability and supply chain continuity.

Selection of the 0444722254 is supported by:

• Full parameter equivalence across all electrical and mechanical specifications
• Active product status enabling standard procurement and logistics
• Identical ROHS3 compliance and UL94 V-2 flammability certification
• Matching MSL 1 moisture sensitivity classification
• Identical connector geometry, pitch, and mounting configuration
• Same contact material, finish, and termination specifications

The substitute part is suitable for direct replacement in applications currently utilizing the 0444722256, with no design modifications required.

Frequently Asked Questions (FAQ)

Q: Can the Molex 0444722254 be used as a direct replacement for the 0444722256?

A: Yes. The 0444722254 maintains identical specifications across all electrical and mechanical parameters, including connector type, position count, pitch, mounting method, shrouding design, contact materials, and finishes. Direct substitution is supported without design changes.

Q: What is the primary difference between these two part numbers?

A: The primary difference is product status. The 0444722256 is classified as obsolete, while the 0444722254 is an active product. All other specifications are identical.

Q: Are the compliance certifications the same?

A: Yes. Both parts carry identical ROHS3 compliance, UL94 V-2 flammability rating, and MSL 1 moisture sensitivity classification.

Q: Do these connectors have the same physical dimensions?

A: Yes. Both connectors share identical insulation height (0.504" / 12.80mm), contact post length (0.138" / 4.60mm), and overall shrouded 4-wall construction.

Q: Are the contact specifications identical?

A: Yes. Both parts feature male pins with copper alloy material, tin finish on both mating and post surfaces, with identical contact finish thickness (100.0µin / 2.54µm).

Q: Can these connectors be used in automotive and medical applications?

A: Yes. Both connectors are specified for automotive, general purpose, industrial, medical, and telecommunications applications.

Q: Is there any difference in solder termination specifications?

A: No. Both connectors use identical solder termination methods suitable for through-hole PCB assembly.