SFM-140-L2-L-D-LC Equivalent & Substitute Parts

Part Overview

The SFM-140-L2-L-D-LC is an 80-position receptacle connector from Samtec Inc.'s Tiger Eye™ SFM series, designed for surface mount board-to-board or cable applications. This connector features 0.050" (1.27mm) pitch mating with gold-plated female socket contacts rated for 3.2A per contact at 250VAC. The part maintains Active product status and is RoHS3 compliant with UL94 V-0 flammability rating. Identifying equivalent substitute parts ensures design flexibility, supply chain continuity, and component availability across manufacturing cycles.

Substiute Parts

SFM-140-L2-L-D-LC

Samtec Inc.In Stock: 1041SFM-140-L2-L-D-LC Datasheet

Current PartRFQ

SFM-140-02-L-D-LC

Samtec Inc.In Stock: 1035SFM-140-02-L-D-LC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SFM-140-L2-L-D-LC is determined by strict equivalence across the following critical parameters:

• Connector Type & Contact Configuration: Receptacle with female socket contacts
• Position Count & Arrangement: 80 positions in 2-row configuration
• Pitch Specification: 0.050" (1.27mm) mating pitch and row spacing
• Mounting Technology: Surface mount termination with solder connection
• Electrical Performance: 3.2A per contact at 250VAC minimum
• Environmental Compliance: RoHS3 compliance and UL94 V-0 flammability rating
• Operating Range: -55°C to 125°C temperature specification
• Contact Material & Finish: Beryllium copper with gold mating surface (10.0µin thickness) and tin post finish

The substitute part SFM-140-02-L-D-LC maintains identical specifications across all critical parameters, confirming direct substitution capability within the Tiger Eye™ SFM series.

Parameter Comparison

Engineering Selection Recommendations

Both the SFM-140-L2-L-D-LC and SFM-140-02-L-D-LC maintain Active product status within the Tiger Eye™ SFM series, ensuring ongoing manufacturer support and supply availability. Both parts carry identical RoHS3 compliance certification and UL94 V-0 flammability rating, meeting regulatory requirements for industrial and commercial applications. The electrical specifications, mechanical dimensions, and environmental operating parameters are equivalent across both part numbers. Selection between these parts may be based on inventory availability or supply chain logistics, as no technical differentiation exists between them.

Frequently Asked Questions (FAQ)

Q: Can SFM-140-02-L-D-LC be used as a direct replacement for SFM-140-L2-L-D-LC?

A: Yes. Both parts are 80-position receptacle connectors with identical 0.050" (1.27mm) pitch, surface mount configuration, gold contact finish, and electrical ratings of 3.2A per contact at 250VAC. All mechanical and electrical parameters match exactly.

Q: Are there any differences in PCB footprint or mounting between these two part numbers?

A: No. Both parts feature identical surface mount termination, 2-row configuration with 0.050" row spacing, and equivalent mated stacking heights. PCB layout and assembly procedures remain unchanged.

Q: Do both parts meet the same compliance standards?

A: Yes. Both SFM-140-L2-L-D-LC and SFM-140-02-L-D-LC are RoHS3 compliant, carry UL94 V-0 flammability rating, and maintain MSL 1 (Unlimited) moisture sensitivity level.

Q: What is the operating temperature range for these connectors?

A: Both parts operate across -55°C to 125°C, suitable for industrial and commercial temperature environments.

Q: Are these parts suitable for high-current applications?

A: Each contact is rated for 3.2A at 250VAC. Total current capacity depends on the number of loaded positions and application circuit design.