SFM-145-L2-S-D-A-P Equivalent & Substitute Parts

Part Overview

The SFM-145-L2-S-D-A-P is a 90-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 contacts with gold plating and operates across -55°C to 125°C. The part is currently active in production with full inventory availability. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within the same connector family.

Substiute Parts

SFM-145-L2-S-D-A-P
Samtec Inc.In Stock: 809SFM-145-L2-S-D-A-P Datasheet
SFM-145-L2-S-D-A-P
Current Part
SFM-145-02-SM-D-A-P
Samtec Inc.In Stock: 876SFM-145-02-SM-D-A-P Datasheet
SFM-145-02-SM-D-A-P
Similar

Key Parameters

Parameter Value
Connector Type Receptacle
Number of Positions 90
Pitch - Mating 0.050" (1.27mm)
Number of Rows 2
Row Spacing - Mating 0.050" (1.27mm)
Mounting Type Surface Mount
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

Substitute Part Grouping Explanation

The SFM-145-L2-S-D-A-P has one identified substitute: SFM-145-02-SM-D-A-P. Both parts belong to the Tiger Eye™ SFM series and share identical electrical and mechanical specifications across all critical parameters that determine connector compatibility:

  • 90-position receptacle configuration
  • 0.050" (1.27mm) mating pitch
  • 2-row layout with 0.050" row spacing
  • Surface mount termination
  • Gold-plated mating contacts (30.0µin thickness)
  • 3.2A per contact current rating
  • 250VAC voltage rating
  • -55°C to 125°C operating temperature range
  • UL94 V-0 flammability rating
  • ROHS3 compliance

The substitution is valid based on matching all electrical performance parameters, mechanical dimensions, and environmental ratings.

Parameter Comparison

Parameter SFM-145-L2-S-D-A-P SFM-145-02-SM-D-A-P
Manufacturer Samtec Inc. Samtec Inc.
Series Tiger Eye™ SFM Tiger Eye™ SFM
Connector Type Receptacle Receptacle
Number of Positions 90 90
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
Contact Finish - Mating Gold Gold
Contact Finish Thickness - Mating 30.0µin (0.76µm) 30.0µin (0.76µm)
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 (MSL) 1 (Unlimited) 1 (Unlimited)
Product Status Active Active
Inventory 784 Pcs New Original In Stock 807 Pcs New Original In Stock

Engineering Selection Recommendations

Both the SFM-145-L2-S-D-A-P and SFM-145-02-SM-D-A-P are active production parts with full ROHS3 compliance and UL94 V-0 flammability certification. Selection between these parts should be based on inventory availability and lead time requirements. The SFM-145-02-SM-D-A-P currently has 807 units in stock compared to 784 units for the SFM-145-L2-S-D-A-P. Both parts meet identical electrical performance specifications and environmental operating conditions, making them functionally interchangeable for board-to-board and cable connector applications requiring 90-position, 0.050" pitch surface mount receptacles.

Frequently Asked Questions (FAQ)

Q: Are these connectors electrically interchangeable? A: Yes. Both parts share identical electrical specifications including 3.2A per contact current rating, 250VAC voltage rating, and gold-plated mating contacts with 30.0µin finish thickness.

Q: Do these connectors have the same mechanical footprint? A: Yes. Both connectors feature 90 positions arranged in 2 rows with 0.050" (1.27mm) mating pitch and 0.050" row spacing, ensuring identical PCB layout compatibility.

Q: What is the operating temperature range? A: Both connectors operate across -55°C to 125°C, suitable for industrial and commercial applications.

Q: Are these parts RoHS compliant? A: Yes. Both parts are ROHS3 compliant and carry UL94 V-0 flammability certification.

Q: What is the moisture sensitivity level? A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

Q: Can I use these connectors for high-current applications? A: Each contact supports 3.2A, allowing total current capacity of 288A across all 90 contacts when fully loaded.

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