M50-3152242P Equivalent & Substitute Parts

Part Overview

The M50-3152242P is a 44-position rectangular receptacle connector manufactured by Harwin Inc. as part of the Archer M50 series. This surface mount, board-to-board or cable connector features 0.050" (1.27mm) pitch with gold-plated mating contacts and push-pull fastening. The part is classified as obsolete, making identification of active equivalent components essential for ongoing design support and procurement.

Substiute Parts

M50-3152242P

Harwin Inc.In Stock: 1189M50-3152242P Datasheet

Current PartRFQ

M50-3152542R

Harwin Inc.In Stock: 1249M50-3152542R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the M50-3152242P is based on the following critical parameters that must remain constant across equivalent components:

• Manufacturer Series: Archer M50 (ensures mechanical and electrical compatibility within the same connector family)
• Connector Type: Receptacle, Bottom or Top Entry (maintains mating interface compatibility)
• Contact Type: Female Socket (required for mating with male pins)
• Pitch - Mating: 0.050" (1.27mm) (determines PCB layout compatibility)
• Number of Rows: 2 (maintains row configuration)
• Row Spacing - Mating: 0.050" (1.27mm) (ensures proper spacing between rows)
• Mounting Type: Surface Mount (preserves assembly process compatibility)
• Fastening Type: Push-Pull (maintains connector engagement mechanism)
• Current Rating: 1A (ensures electrical performance requirements are met)
• Operating Temperature: -40°C ~ 105°C (maintains thermal operating envelope)

The M50-3152542R qualifies as a substitute based on these parameters. The primary difference is the number of positions (50 vs. 44), which represents a higher-capacity variant within the same connector family. This substitution is valid when the application can accommodate the additional positions or when the extra positions remain unloaded.

Parameter Comparison

Engineering Selection Recommendations

The M50-3152542R is the designated substitute for the obsolete M50-3152242P. Selection of this substitute is based on the following engineering criteria:

Product Status: The M50-3152542R maintains active product status with Harwin Inc., ensuring continued availability and manufacturing support. The original M50-3152242P is classified as obsolete, making the active substitute the appropriate choice for new designs and ongoing procurement.

Compliance and Certifications: Both components maintain identical compliance profiles, including ROHS3 compliance, UL94 V-0 flammability rating, and REACH unaffected status. Moisture sensitivity level remains at MSL 1 (Unlimited) for both parts, indicating no special handling requirements.

Mechanical and Electrical Compatibility: The M50-3152542R preserves all critical mechanical and electrical parameters of the original part, including pitch, row configuration, mounting type, fastening mechanism, and current rating. The increase from 44 to 50 positions represents a higher-capacity variant within the same connector family.

Design Consideration: When substituting the M50-3152242P with the M50-3152542R, the PCB footprint must accommodate the additional 6 positions. If the application design cannot utilize these additional positions, the unloaded positions remain available without affecting connector performance or compliance.

Frequently Asked Questions (FAQ)

Q: Can the M50-3152542R be used as a direct replacement for the M50-3152242P?

A: The M50-3152542R is mechanically and electrically compatible with the M50-3152242P for all critical parameters. The primary difference is the increased position count (50 vs. 44). Direct substitution is possible if the PCB layout can accommodate the additional positions or if those positions remain unloaded.

Q: What is the pitch specification, and why is it critical for substitution?

A: Both connectors maintain a 0.050" (1.27mm) mating pitch with identical row spacing. This pitch specification determines PCB pad layout and connector alignment. Matching pitch is mandatory for mechanical fit and electrical contact integrity.

Q: Are there differences in packaging between these parts?

A: The M50-3152242P packaging is not specified in the available data. The M50-3152542R is supplied in Tape & Reel (TR) packaging, which is standard for surface mount production environments.

Q: Do both connectors support the same applications?

A: Both parts are rated for General Purpose, Medical, and Telecommunications applications with identical operating temperature ranges (-40°C ~ 105°C) and current ratings (1A). Application compatibility is maintained across the substitution.

Q: What are the mated stacking height options?

A: The M50-3152242P supports stacking heights of 3.2mm, 3.9mm, 4.6mm, 5.3mm, 7.2mm, and 8.6mm. The M50-3152542R supports 3.2mm, 3.9mm, 4.6mm, and 5.3mm. Verify that the required stacking height is available in the substitute part before design implementation.

Q: Are there any compliance or certification differences?

A: Both connectors maintain identical compliance status: ROHS3 compliant, UL94 V-0 flammability rating, REACH unaffected, and MSL 1 (Unlimited). No compliance differences exist between the parts.