SFM-122-L2-LM-D-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-122-L2-LM-D-A-K-TR is a 44-position dual-row high-reliability surface-mount socket strip at 0.050 inch (1.27 mm) pitch. Tape-and-reel packaged for automated assembly, it delivers robust board-to-board mating with low insertion force contacts.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- SFM-122-L2-LM-D-A-K-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 44-position dual-row SMT socket at 0.050 inch (1.27 mm) pitch for reliable high-density board-to-board interconnect
- Tape-and-reel (TR) packaging enabling high-volume automated pick-and-place assembly
- High-reliability contact design rated for repeated mating cycles in demanding industrial and embedded applications
- L2 lead style and LM lead finish optimised for consistent solderability in reflow assembly processes
Applications
The SFM-122-L2-LM-D-A-K-TR suits high-reliability mezzanine and daughter-card applications in industrial control systems, test equipment, and embedded computing platforms where 44 signals at 0.050 inch pitch must be routed between two SMT PCBs. Its tape-and-reel packaging and standard footprint enable seamless integration into automated PCB assembly lines for mid-to-high volume production.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many signal positions does the SFM-122-L2-LM-D-A-K-TR provide and what is its row arrangement?
The SFM-122-L2-LM-D-A-K-TR offers 44 positions in a dual-row configuration at 0.050 inch (1.27 mm) pitch, providing 22 contacts per row. This layout efficiently routes 44 independent signals between two PCBs while keeping the connector footprint compact for board-to-board mezzanine designs.
What assembly method is compatible with SFM-122-L2-LM-D-A-K-TR and how is it supplied for production?
The SFM-122-L2-LM-D-A-K-TR is a surface-mount device supplied on tape-and-reel (TR) for automated pick-and-place assembly. The SMT pads and reel packaging allow high-throughput reflow soldering in production environments, reducing manual handling and improving placement accuracy compared to through-hole alternatives.
When should a designer choose SFM-122-L2-LM-D-A-K-TR instead of a through-hole socket strip for a mezzanine card?
For designs requiring a fully automated SMT reflow process without manual through-hole soldering, or when board thickness precludes through-hole leads, the SFM-122-L2-LM-D-A-K-TR is the preferred choice. Its SMT footprint also enables placement on both sides of the PCB, and at 0.050 inch pitch it saves up to 20% board length compared to 0.079 inch pitch through-hole alternatives for 44 pins.
What industries typically use the SFM series socket strips in their board-to-board interconnect designs?
Industrial automation, defence electronics, and test-and-measurement equipment commonly use SAMTEC SFM series sockets. For example, an industrial PLC backplane may stack a 44-pin CPU daughter card using SFM-122-L2-LM-D-A-K-TR to achieve reliable operation across the -40°C to +85°C temperature range typical of factory environments.
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