TFC-125-02-LM-D-A Equivalent & Substitute Parts

Part Overview

The TFC-125-02-LM-D-A is a rectangular connector header manufactured by Samtec Inc. as part of the Tiger Eye™ TFC series. This surface mount connector features 50 positions arranged in 2 rows with 0.050" (1.27mm) pitch spacing. The component is actively produced and maintains full inventory availability. Substitute parts are identified to support procurement flexibility, design revisions, and supply chain continuity while maintaining electrical and mechanical compatibility.

Substiute Parts

TFC-125-02-LM-D-A

Samtec Inc.In Stock: 1114TFC-125-02-LM-D-A Datasheet

Current PartRFQ

TFC-125-02-L-D-A

Samtec Inc.In Stock: 1177TFC-125-02-L-D-A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TFC-125-02-LM-D-A is determined by strict equivalence across the following critical parameters:

• Connector Type: Header
• Contact Type: Male Pin
• Number of Positions: 50
• Number of Rows: 2
• Pitch - Mating: 0.050" (1.27mm)
• Row Spacing - Mating: 0.050" (1.27mm)
• Mounting Type: Surface Mount
• Shrouding: Shrouded - 4 Wall
• Termination: Solder
• Current Rating: 3.1A per Contact
• Voltage Rating: 275VAC
• Operating Temperature: -55°C ~ 125°C
• Material Flammability Rating: UL94 V-0
• Contact Material: Phosphor Bronze
• Insulation Material: Liquid Crystal Polymer (LCP)

The identified substitute part TFC-125-02-L-D-A maintains full equivalence across all critical electrical and mechanical parameters, differing only in non-functional designation elements within the part number nomenclature.

Parameter Comparison

Engineering Selection Recommendations

Both the TFC-125-02-LM-D-A and TFC-125-02-L-D-A are active products from Samtec Inc. with identical electrical and mechanical specifications. Selection between these parts is based on part number designation and procurement availability. Both components maintain ROHS3 compliance, UL94 V-0 flammability rating, and MSL 1 moisture sensitivity classification. Current inventory levels support either selection without supply chain constraints.

Frequently Asked Questions (FAQ)

Q: Are TFC-125-02-LM-D-A and TFC-125-02-L-D-A electrically interchangeable?

A: Yes. Both parts share identical electrical ratings: 3.1A per contact, 275VAC voltage rating, and -55°C to 125°C operating temperature range. Contact material, finish, and geometry are identical.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. Both connectors feature identical mechanical dimensions, pitch spacing (0.050"), row configuration (2 rows, 50 positions), mounting type (surface mount), and shrouding (4 wall). PCB footprints and mating interfaces are identical.

Q: What is the difference between these part numbers?

A: The part numbers differ only in designation nomenclature. All functional, electrical, and mechanical parameters are equivalent.

Q: Are both parts RoHS compliant?

A: Yes. Both TFC-125-02-LM-D-A and TFC-125-02-L-D-A are ROHS3 compliant.

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

A: Both parts carry MSL 1 (Unlimited) classification, indicating no moisture sensitivity restrictions for storage or handling.

Q: Can these connectors operate in the -55°C to 125°C temperature range?

A: Yes. Both parts are rated for continuous operation across the full -55°C to 125°C temperature range.