SFM-128-L2-LM-D-A SAMTEC Connector (Other) In Stock
SAMTEC SFM-128-L2-LM-D-A is a 56-position dual-row high-reliability surface-mount socket strip with 0.050 inch pitch, featuring right-angle termination and gold-plated contacts. Designed for compact PCB-level interconnects requiring reliable signal integrity across 56 pins. Available in stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 56
- Lifecycle
- ACTIVE
- Datasheet
- SFM-128-L2-LM-D-A Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 56-position dual-row SMT socket strip at 0.050 inch pitch enabling high-density board-level signal routing
- Right-angle (L2) termination style for low-profile horizontal board-to-board or board-to-module interconnects
- Gold-plated contacts ensure low contact resistance and long-term corrosion resistance across repeated mating cycles
- High-reliability construction compliant with standard reflow soldering processes for automated PCB assembly
Applications
The SFM-128-L2-LM-D-A is suited for right-angle board-to-board and module-to-motherboard interconnect applications in embedded computing, industrial control systems, and test instrumentation. Its 56-position dual-row layout at 0.050 inch pitch provides dense signal connectivity while the right-angle termination reduces PCB height clearance requirements. The surface-mount design supports automated assembly with standard reflow soldering equipment.
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
What termination style and pitch does the SFM-128-L2-LM-D-A use?
The SFM-128-L2-LM-D-A uses a right-angle (L2) surface-mount termination at a 0.050 inch (1.27 mm) pitch across 56 positions in a dual-row arrangement. This termination style allows horizontal mating between boards, reducing vertical stack height compared to vertical SMT socket strips.
Which embedded or industrial PCB designs benefit from the SFM-128-L2-LM-D-A?
Industrial control modules, embedded computing platforms, and test instrumentation daughter cards that require a 56-pin dual-row right-angle socket at 0.050 inch pitch benefit from this part. The right-angle form factor is especially useful where vertical clearance above the PCB is limited but horizontal board-to-board connectivity is needed.
How does the SFM-128-L2-LM-D-A differ from straight (vertical) SMT socket strips in the same family?
The SFM-128-L2-LM-D-A uses an L2 right-angle termination rather than a straight vertical style, directing the mating axis parallel to the PCB surface. Both versions share the same 0.050 inch pitch and 56-position dual-row footprint, but the right-angle version reduces the overall PCB stack height in board-to-board assemblies by approximately the connector height dimension.
Is the SFM-128-L2-LM-D-A compatible with automated reflow soldering, and what contact plating does it use?
Yes, the SFM-128-L2-LM-D-A is designed for standard SMT reflow soldering processes, making it compatible with automated PCB assembly lines. The contacts are gold-plated for low resistance and corrosion resistance, maintaining reliable electrical performance across all 56 positions throughout the product's service life.
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