M20-8761742 Equivalent & Substitute Parts

Part Overview

The M20-8761742 is a rectangular connector header manufactured by Harwin Inc., designed for surface mount applications with 34 positions at 0.100" (2.54mm) pitch. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and procurement planning. The connector features a cuttable header design with male pins, suitable for board-to-board or cable applications in industrial and commercial electronics.

Substiute Parts

M20-8761742

Harwin Inc.In Stock: 905M20-8761742 Datasheet

Current PartRFQ

M20-8761842

Harwin Inc.In Stock: 1184M20-8761842 Datasheet

MFR RecommendedRFQ

0713085634

MolexIn Stock: 7640713085634 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M20-8761742 is determined by the following critical parameters:

• Pitch - Mating: 0.100" (2.54mm) — must match exactly for mechanical compatibility
• Mounting Type: Surface Mount — required for PCB assembly process compatibility
• Contact Type: Male Pin — determines mating interface requirements
• Number of Rows: 2 — establishes physical footprint and row spacing
• Operating Temperature Range: -40°C ~ 105°C — defines thermal operating envelope
• Voltage Rating: 250V — establishes electrical safety margin
• Current Rating: 3A per Contact — determines current-carrying capacity per contact
• RoHS Status: ROHS3 Compliant — ensures regulatory compliance

The substitute parts identified maintain these core parameters while allowing variations in position count (34 vs. 36 positions) and connector type classification (cuttable vs. breakaway), provided the fundamental electrical and mechanical characteristics remain compatible.

Parameter Comparison

Engineering Selection Recommendations

M20-8761842 (Harwin Inc.) — This substitute maintains identical electrical and mechanical specifications to the M20-8761742, with the primary difference being an increase from 34 to 36 positions. Both connectors share the same pitch, row spacing, contact materials, and operating temperature range. The M20-8761842 is currently in active production status, ensuring long-term availability and supply chain stability. This part is recommended for applications where the additional two positions can be accommodated within the design footprint.

0713085634 (Molex) — This substitute provides equivalent 34-position configuration matching the original part number. The connector maintains the same pitch, row spacing, and mounting type. Differences include contact finish (tin vs. gold), insulation material (LCP glass-filled vs. polyamide), and contact length (0.240" vs. 0.228"). The Molex part is currently in active production status and carries ROHS3 compliance. This option is suitable for applications where cross-manufacturer sourcing is acceptable and the specified material and finish variations are compatible with the design requirements.

Both substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can the M20-8761842 (36-position) be used as a direct replacement for the M20-8761742 (34-position)?

A: The M20-8761842 maintains identical electrical and mechanical specifications including pitch, row spacing, contact type, and operating temperature range. The additional two positions do not affect compatibility with existing mating connectors or cable assemblies designed for 34-position headers. However, the PCB footprint will be larger due to the increased position count. Verify that the design layout can accommodate the extended connector length before implementation.

Q: What are the key differences between the Harwin M20-8761842 and Molex 0713085634 substitutes?

A: Both maintain the 0.100" (2.54mm) pitch and 2-row configuration. Primary differences include: contact finish (gold vs. tin), insulation material (polyamide vs. LCP glass-filled), contact length (0.228" vs. 0.240"), and insulation height (0.100" vs. 0.090"). The Molex part features a breakaway connector type versus the cuttable design of the Harwin parts. These variations may affect mating force, durability, and thermal performance in specific applications.

Q: Are the substitute parts available in the same packaging as the original M20-8761742?

A: The M20-8761842 is supplied in bulk packaging, while the 0713085634 is supplied in tube packaging. The original M20-8761742 packaging specification was not provided. Verify packaging requirements for your procurement and assembly processes.

Q: Do all three connectors meet the same compliance standards?

A: All three parts are ROHS3 compliant, carry UL94 V-0 flammability ratings, and have MSL 1 (unlimited) moisture sensitivity levels. All are classified as REACH unaffected and carry EAR99 ECCN designation.

Q: What is the current rating for the Molex 0713085634?

A: The current rating for the Molex part was not specified in the technical data. Contact the manufacturer or distributor for this specification if current-carrying capacity is a critical design parameter.