SMM-125-01-SM-S Equivalent & Substitute Parts

Part Overview

The SMM-125-01-SM-S is a 25-position receptacle connector from Samtec Inc.'s Tiger Eye™ SMM series, designed for board-to-board or cable applications. This connector features a 0.079" (2.00mm) pitch, through-hole solder termination, and gold-plated mating contacts rated for 3.2A per contact at 350VAC. The part is Active status and ROHS3 compliant, making it suitable for industrial and commercial applications requiring reliable interconnection in temperature ranges from -55°C to 125°C. Equivalent substitute parts are identified based on matching electrical specifications, mechanical dimensions, and connector interface standards.

Substiute Parts

SMM-125-01-SM-S

Samtec Inc.In Stock: 1212SMM-125-01-SM-S Datasheet

Current PartRFQ

SMM-125-01-S-S

Samtec Inc.In Stock: 922SMM-125-01-S-S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SMM-125-01-SM-S are identified based on strict equivalence across the following critical parameters:

• 25-position receptacle configuration
• 0.079" (2.00mm) mating pitch
• Female socket contact type
• Through-hole solder termination
• 3.2A per contact current rating
• 350VAC voltage rating
• -55°C to 125°C operating temperature range
• Gold-plated mating contacts with 30.0µin thickness
• Liquid Crystal Polymer insulation material
• UL94 V-0 flammability rating
• ROHS3 compliance

The SMM-125-01-S-S meets all these criteria and is classified as a direct equivalent substitute within the Tiger Eye™ SMM series.

Parameter Comparison

Engineering Selection Recommendations

Both the SMM-125-01-SM-S and SMM-125-01-S-S are Active status products from Samtec Inc. with identical electrical and mechanical specifications. Both parts are ROHS3 compliant and carry UL94 V-0 flammability certification, meeting regulatory requirements for industrial and commercial applications. Selection between these parts may be based on inventory availability, as the SMM-125-01-SM-S has 1146 pieces in stock while the SMM-125-01-S-S has 907 pieces available.

Frequently Asked Questions (FAQ)

Q: Are SMM-125-01-SM-S and SMM-125-01-S-S fully interchangeable?

A: Yes. Both parts share identical electrical ratings (3.2A per contact, 350VAC), mechanical dimensions (25 positions, 0.079" pitch, 0.140" insulation height), contact materials (beryllium copper with gold plating), and operating temperature range (-55°C to 125°C). Both are ROHS3 compliant with UL94 V-0 flammability rating.

Q: What determines substitution eligibility for this connector?

A: Substitution is based on matching the 25-position receptacle configuration, 0.079" mating pitch, female socket contact type, through-hole solder termination, current and voltage ratings, operating temperature range, contact finish specifications, insulation material, and compliance certifications.

Q: Can these connectors be used in high-temperature applications?

A: Both parts are rated for operating temperatures up to 125°C, suitable for industrial applications within this thermal range.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

Q: Are there any packaging differences between these substitute parts?

A: Both parts are supplied in tube packaging and are classified as new original stock.