SFM-113-L2-F-D-LC-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-113-L2-F-D-LC-TR is a 26-position dual-row high-reliability surface mount socket strip at 0.050" (1.27 mm) pitch with L2 lead style, gold-flash (F) contact finish, and long-machined contacts for durability. Tape-and-reel packaging supports high-volume automated PCB assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 26
- Lifecycle
- ACTIVE
- Datasheet
- SFM-113-L2-F-D-LC-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-113-L2-F-D-LC-TR?
- 26-position dual-row 0.050" (1.27 mm) pitch SMT socket strip enabling compact fine-pitch board-to-board interconnect in constrained PCB layouts
- Gold-flash (F) contact finish provides contact resistance below 20 mΩ and corrosion resistance for reliable signal integrity in humid environments
- Long-machined (LC) contacts extend wipe length to maintain reliable connection over 100 or more mating cycles in modular systems
- Tape-and-reel (TR) packaging enables automated high-volume SMT pick-and-place assembly with precise 0.1 mm placement accuracy
What is SFM-113-L2-F-D-LC-TR used for?
The SFM-113-L2-F-D-LC-TR is suited for compact mezzanine and daughter card interconnect in portable medical devices, wearable electronics, and miniaturized test equipment where the 0.050" pitch reduces connector footprint compared to standard 0.100" pitch alternatives. The gold-flash contact finish provides corrosion resistance suitable for operation in humidity-controlled environments up to 85% RH. Tape-and-reel packaging makes this 26-position connector cost-effective for automated assembly in production runs of 500 or more boards.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-113-L2-F-D-LC-TR datasheet?
SFM-113-L2-F-D-LC-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-113-L2-F-D-LC-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What contact finish does the SFM-113-L2-F-D-LC-TR use and what performance benefit does it provide?
The -F suffix denotes a gold-flash contact finish on the SFM-113-L2-F-D-LC-TR, which delivers contact resistance below 20 mΩ per pin and strong oxidation resistance. Gold-flash is preferred over tin finishes in low-level signal applications at 3.3 V or 1.8 V logic levels, where even a small increase in contact resistance from surface oxidation can cause signal integrity issues in high-speed differential pairs.
For which PCB dimensions is the SFM-113-L2-F-D-LC-TR a better fit than a 0.100" pitch 26-position connector?
When a PCB dimension constrains total connector length to under 18 mm for a 26-position interface, the SFM-113-L2-F-D-LC-TR at 0.050" (1.27 mm) pitch occupies roughly 16.5 mm in the row direction, compared to approximately 33 mm for a 0.100" pitch equivalent. This nearly 50% reduction in connector length makes the SFM-113 series the preferred option for wearable devices, compact drone flight controllers, and portable instruments with board widths under 25 mm.
How does the L2 lead style of SFM-113-L2-F-D-LC-TR affect PCB soldering and assembly?
The L2 designation specifies a longer SMT lead tail that provides additional solder joint length compared to the standard L1 tail. The increased tail length of approximately 2 mm creates a larger solder fillet, improving joint strength and pull-out resistance. This is beneficial in applications subject to mechanical vibration or thermal cycling between -40°C and +85°C, where longer solder tails reduce the risk of fatigue cracking at the pad interface.
What mating connector should be paired with the SFM-113-L2-F-D-LC-TR in a mezzanine stack?
The SFM-113-L2-F-D-LC-TR accepts SAMTEC TSM-113 series and SSM-113 series headers that share the 0.050" (1.27 mm) pitch 26-position dual-row footprint. Stack height is determined by the mating header's post length, with options ranging from 1 mm to over 10 mm separation between boards. Matching a gold-finish header to this gold-flash socket maintains consistent contact resistance below 20 mΩ across the fully assembled mezzanine interface.
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