M80-4200405 Equivalent & Substitute Parts

Part Overview

The M80-4200405 is a 4-position receptacle connector from Harwin Inc.'s Datamate J-Tek series, designed for board-to-board or cable applications with 0.079" (2.00mm) pitch through-hole mounting. This connector features gold-plated mating contacts, screw lock fastening, and is rated for -55°C to 125°C operation with UL94 V-0 flammability compliance.

The M80-4200405 is classified as obsolete. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this connector specification.

Substiute Parts

M80-4200405

Harwin Inc.In Stock: 732M80-4200405 Datasheet

Current PartRFQ

M80-4200442

Harwin Inc.In Stock: 1082M80-4200442 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M80-4200405 is determined by strict equivalence across the following critical parameters:

• Connector type (Receptacle)
• Number of positions (4)
• Pitch and row spacing (0.079" / 2.00mm)
• Number of rows (2)
• Mounting type (Through Hole)
• Termination method (Solder)
• Fastening type (Screw Lock)
• Mating contact finish (Gold)
• Operating temperature range (-55°C ~ 125°C)
• Flammability rating (UL94 V-0)
• Voltage rating (120V)
• Series family (Datamate J-Tek)

The M80-4200442 meets all these criteria and qualifies as a direct substitute. Differences in post contact finish and post contact finish thickness do not affect mating compatibility or primary electrical performance in standard applications.

Parameter Comparison

Engineering Selection Recommendations

The M80-4200442 is the qualified substitute for the obsolete M80-4200405. Both connectors are manufactured by Harwin Inc. within the same Datamate J-Tek series and maintain identical mating interface specifications, mechanical dimensions, and electrical ratings.

The M80-4200442 carries active product status, ensuring ongoing availability and manufacturing support. Both parts maintain ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for automotive, general purpose, and military applications.

The post contact finish difference (gold on M80-4200405 versus tin on M80-4200442) does not affect mating contact performance, as the mating interface remains gold-plated on both variants. This substitution is direct and does not require design modification.

Frequently Asked Questions (FAQ)

Q: Can M80-4200442 directly replace M80-4200405 without PCB layout changes?

A: Yes. Both connectors share identical pitch (0.079" / 2.00mm), row spacing, mounting type (through hole), and mechanical envelope. PCB footprints are interchangeable.

Q: What is the significance of the post contact finish difference?

A: The post contact finish (gold versus tin) affects solder joint formation and long-term reliability of the PCB connection, not the mating interface. The mating contacts remain gold-plated on both parts. Selection depends on soldering process and PCB assembly requirements.

Q: Are both parts rated for the same operating temperature range?

A: Yes. Both M80-4200405 and M80-4200442 operate across -55°C to 125°C and maintain UL94 V-0 flammability compliance.

Q: Why is M80-4200405 listed as obsolete?

A: Product obsolescence reflects manufacturing discontinuation by Harwin Inc. The M80-4200442 represents the active equivalent within the same series.

Q: Do both connectors support the same fastening method?

A: Yes. Both use screw lock fastening with jackscrews, mating flange, mounting flange, and polarizing key features.

Q: Are there inventory considerations for this substitution?

A: M80-4200442 is actively manufactured with current stock availability. M80-4200405 inventory is limited due to obsolete status. Transition to M80-4200442 is recommended for new designs and ongoing production.