MMS-139-02-L-SH Equivalent & Substitute Parts

Part Overview

The MMS-139-02-L-SH is a 39-position receptacle connector manufactured by Samtec Inc., designed for surface mount, right-angle board-to-board or cable applications. This connector features a 2.00mm pitch, gold-plated mating contacts, and operates across the -55°C to 125°C temperature range. The part maintains Active product status and carries ROHS3 compliance with MSL 1 rating, making it suitable for industrial and commercial applications requiring reliable interconnection solutions.

Alternative components may be required due to inventory constraints, supply chain considerations, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

MMS-139-02-L-SH

Samtec Inc.In Stock: 1185MMS-139-02-L-SH Datasheet

Current PartRFQ

MMS-139-02-L-SH

Samtec Inc.In Stock: 1185MMS-139-02-L-SH Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for the MMS-139-02-L-SH is determined by strict alignment of the following critical parameters:

• Connector Type & Contact Configuration: Receptacle with female socket contacts
• Position Count & Pitch: 39 positions at 0.079" (2.00mm) mating pitch
• Mounting & Orientation: Surface mount, right-angle configuration
• Electrical Performance: 3.9A per contact current rating
• Material & Environmental Compliance: LCP insulation, ROHS3 compliance, MSL 1 rating
• Operating Temperature Range: -55°C to 125°C
• Contact Finish: Gold-plated mating surface with tin post finish

Only components matching all these parameters across connector type, position configuration, pitch spacing, mounting method, and electrical ratings qualify as direct substitutes for the MMS-139-02-L-SH rectangular connector.

Parameter Comparison

Engineering Selection Recommendations

The MMS-139-02-L-SH maintains Active product status with full ROHS3 compliance and MSL 1 rating, confirming its suitability for current design implementations. The substitute part MMS-139-02-L-SH carries identical compliance certifications, product status, and environmental ratings, ensuring equivalent performance in applications requiring 39-position rectangular connectors with 2.00mm pitch surface mount configuration.

Selection between the main part and substitute should be based on inventory availability and supply chain logistics, as both components meet identical electrical, mechanical, and regulatory requirements for board-to-board or cable interconnection applications operating within the -55°C to 125°C temperature envelope.

Frequently Asked Questions (FAQ)

Q: What determines if a part can substitute for the MMS-139-02-L-SH?

A: Direct substitution requires matching all critical parameters: 39-position receptacle configuration, 2.00mm mating pitch, surface mount right-angle mounting, 3.9A per contact current rating, gold-plated mating contacts, LCP insulation, and ROHS3 compliance with MSL 1 rating.

Q: Are there any differences between the main part and substitute?

A: Both the main part and substitute are identical MMS-139-02-L-SH components from Samtec Inc., sharing all electrical specifications, mechanical dimensions, material composition, and regulatory certifications.

Q: What is the operating temperature range for this connector?

A: The MMS-139-02-L-SH operates across -55°C to 125°C, suitable for industrial and commercial temperature environments.

Q: What is the current handling capability per contact?

A: Each contact in the MMS-139-02-L-SH is rated for 3.9A, providing adequate current capacity for standard interconnection applications.

Q: What packaging format is available?

A: The MMS-139-02-L-SH is supplied in Tube packaging for standard component handling and storage.

Q: Does this connector meet environmental compliance standards?

A: Yes, the MMS-139-02-L-SH is ROHS3 compliant, REACH unaffected, and carries MSL 1 (Unlimited) moisture sensitivity rating, meeting current environmental and regulatory requirements.