MMS-120-02-L-DV-K Equivalent & Substitute Parts

Part Overview

The MMS-120-02-L-DV-K is a 40-position receptacle connector manufactured by Samtec Inc., designed for surface mount board-to-board or cable applications. This connector features a 0.079" (2.00mm) pitch with gold-plated mating contacts and push-pull fastening. The product is currently active and widely stocked, with 765 units available in inventory. Alternative equivalent parts may be required due to supply chain considerations, specific design requirements, or inventory availability.

Substiute Parts

MMS-120-02-L-DV-K

Samtec Inc.In Stock: 827MMS-120-02-L-DV-K Datasheet

Current PartRFQ

MMS-120-02-LM-DV-K

Samtec Inc.In Stock: 1099MMS-120-02-LM-DV-K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MMS-120-02-L-DV-K is determined by strict equivalence across the following critical parameters:

• Connector Type & Contact Configuration: Receptacle with female socket contacts
• Position Count & Arrangement: 40 positions in 2-row configuration
• Mating Pitch: 0.079" (2.00mm) pitch
• Mounting Technology: Surface mount termination
• Electrical Performance: 3.9A per contact current rating
• Environmental Specifications: -55°C to 125°C operating temperature range
• Material & Compliance: Liquid Crystal Polymer insulation, ROHS3 compliant, MSL 1

The identified substitute part MMS-120-02-LM-DV-K maintains identical specifications across all critical parameters, differing only in internal design designation. Both parts are manufactured by Samtec Inc. within the MMS series and share the same base product number MMS-120.

Parameter Comparison

Engineering Selection Recommendations

Both MMS-120-02-L-DV-K and MMS-120-02-LM-DV-K are active products manufactured by Samtec Inc. and maintain full ROHS3 compliance with MSL 1 rating. The parts are electrically and mechanically equivalent across all specified parameters. Selection between these parts should be based on inventory availability and supply chain requirements. The MMS-120-02-LM-DV-K currently maintains higher inventory levels at 1085 units compared to 765 units for the MMS-120-02-L-DV-K.

Frequently Asked Questions (FAQ)

Q: Are MMS-120-02-L-DV-K and MMS-120-02-LM-DV-K fully interchangeable?

A: Yes. Both parts are equivalent across all electrical and mechanical parameters including connector type, position count, pitch, mounting technology, current rating, and operating temperature range.

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

A: The parts differ only in internal design designation (L versus LM suffix). All functional specifications, performance characteristics, and compliance certifications are identical.

Q: Can these connectors be used in board-to-board and cable applications?

A: Yes. Both parts are specified for board-to-board or cable style applications with push-pull fastening.

Q: What is the current handling capacity per contact?

A: Both parts are rated for 3.9A per contact at the specified operating temperature range of -55°C to 125°C.

Q: Are these parts RoHS compliant?

A: Yes. Both MMS-120-02-L-DV-K and MMS-120-02-LM-DV-K are ROHS3 compliant with MSL 1 moisture sensitivity level.

Q: What is the mating pitch specification?

A: Both parts feature a 0.079" (2.00mm) mating pitch with 2-row configuration and 0.079" row spacing.

Q: Are these surface mount components?

A: Yes. Both parts are surface mount receptacles with solder termination and pick-and-place capability.