SFM-135-L2-L-D-LC-P Equivalent & Substitute Parts

Part Overview

The SFM-135-L2-L-D-LC-P is a 70-position receptacle connector from Samtec Inc.'s Tiger Eye™ SFM series, designed for board-to-board or cable applications with 0.050" (1.27mm) pitch surface mount technology. This connector features gold-plated mating contacts, push-pull fastening, and board lock functionality for secure interconnection in high-density applications. The part maintains Active product status with full inventory availability, making it suitable for current production and design implementations.

Substitute parts are identified when all critical electrical and mechanical parameters align with the main part specification, ensuring functional equivalence in target applications without design modification.

Substiute Parts

SFM-135-L2-L-D-LC-P
Samtec Inc.In Stock: 924SFM-135-L2-L-D-LC-P Datasheet
SFM-135-L2-L-D-LC-P
Current Part
SFM-135-02-L-D-LC-P
Samtec Inc.In Stock: 869SFM-135-02-L-D-LC-P Datasheet
SFM-135-02-L-D-LC-P
MFR Recommended

Key Parameters

Parameter Specification
Connector Type Receptacle
Contact Type Female Socket
Number of Positions 70
Pitch - Mating 0.050" (1.27mm)
Number of Rows 2
Row Spacing - Mating 0.050" (1.27mm)
Mounting Type Surface Mount
Termination Solder
Fastening Type Push-Pull
Contact Finish - Mating Gold
Current Rating 3.2A per Contact
Voltage Rating 250VAC
Operating Temperature -55°C ~ 125°C
Material Flammability Rating UL94 V-0
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

The SFM-135-02-L-D-LC-P qualifies as a direct substitute for the SFM-135-L2-L-D-LC-P based on alignment of all critical substitution parameters:

Electrical Parameters: Both parts maintain identical current rating (3.2A per Contact), voltage rating (250VAC), and contact finish specifications (gold mating surface with 10.0µin thickness).

Mechanical Parameters: Both connectors share the same 70-position configuration, 0.050" (1.27mm) mating pitch, 2-row layout with 0.050" row spacing, surface mount termination, and push-pull fastening mechanism.

Environmental & Compliance Parameters: Both parts operate across the identical temperature range (-55°C ~ 125°C), maintain UL94 V-0 flammability rating, ROHS3 compliance, and MSL 1 moisture sensitivity classification.

Series & Manufacturer: Both parts belong to the Tiger Eye™ SFM series from Samtec Inc. and share the same base product number (SFM-135), confirming design family equivalence.

Parameter Comparison

Parameter SFM-135-L2-L-D-LC-P SFM-135-02-L-D-LC-P Match
Manufacturer Samtec Inc. Samtec Inc.
Series Tiger Eye™ SFM Tiger Eye™ SFM
Connector Type Receptacle Receptacle
Contact Type Female Socket Female Socket
Number of Positions 70 70
Pitch - Mating 0.050" (1.27mm) 0.050" (1.27mm)
Number of Rows 2 2
Row Spacing - Mating 0.050" (1.27mm) 0.050" (1.27mm)
Mounting Type Surface Mount Surface Mount
Termination Solder Solder
Fastening Type Push-Pull Push-Pull
Contact Finish - Mating Gold Gold
Contact Finish Thickness - Mating 10.0µin (0.25µm) 10.0µin (0.25µm)
Current Rating (Amps) 3.2A per Contact 3.2A per Contact
Voltage Rating 250VAC 250VAC
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C
Material Flammability Rating UL94 V-0 UL94 V-0
Insulation Material Liquid Crystal Polymer (LCP) Liquid Crystal Polymer (LCP)
Contact Material Beryllium Copper Beryllium Copper
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

Both the SFM-135-L2-L-D-LC-P and SFM-135-02-L-D-LC-P maintain Active product status with full manufacturer support and availability. Selection between these parts is based on inventory requirements and supply chain considerations rather than technical differentiation.

The SFM-135-L2-L-D-LC-P carries 867 pieces in current stock inventory, while the SFM-135-02-L-D-LC-P maintains 845 pieces. Both parts comply with ROHS3 regulations and carry identical UL94 V-0 flammability certification, meeting the same environmental and regulatory requirements for production applications.

For applications requiring immediate component availability or specific lot traceability, either part may be selected based on current inventory status. Both connectors deliver equivalent electrical performance, mechanical compatibility, and long-term reliability characteristics within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Are these connectors mechanically interchangeable? A: Yes. Both the SFM-135-L2-L-D-LC-P and SFM-135-02-L-D-LC-P share identical mechanical dimensions, mating pitch (0.050"), row configuration, surface mount footprint, and push-pull fastening interface. No PCB redesign is required for substitution.

Q: Do these parts have the same electrical ratings? A: Yes. Both connectors maintain 3.2A per contact current rating and 250VAC voltage rating. Contact finish specifications, including gold plating thickness (10.0µin), are identical across both parts.

Q: What is the difference between these part numbers? A: The part numbers differ in their internal designation codes (L2 versus 02), but all functional, electrical, and mechanical specifications remain identical. Both parts belong to the same Tiger Eye™ SFM series and share the base product number SFM-135.

Q: Are both parts compliant with current regulations? A: Yes. Both the SFM-135-L2-L-D-LC-P and SFM-135-02-L-D-LC-P are ROHS3 compliant with UL94 V-0 flammability rating and MSL 1 moisture sensitivity classification, meeting current production and environmental standards.

Q: Can I use these connectors in high-temperature applications? A: Yes. Both parts operate across the -55°C to 125°C temperature range, supporting industrial and automotive applications within this thermal envelope.

Q: What is the mating pitch for these connectors? A: Both connectors feature 0.050" (1.27mm) mating pitch with 2-row configuration and 0.050" row spacing, designed for high-density board-to-board or cable interconnection.

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