SFM-111-L2-LM-D-LC SAMTEC Connector (Other) In Stock
SAMTEC SFM-111-L2-LM-D-LC is a 22-position dual-row high reliability surface mount socket strip with 1.27 mm (0.050 inch) pitch, featuring a latching and locking mechanism for secure mating. Low-profile LC (low-current) contacts are designed for precision signal routing across compact mezzanine stacking applications. Available for rapid procurement with worldwide distribution.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 22
- Lifecycle
- ACTIVE
- Datasheet
- SFM-111-L2-LM-D-LC Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-111-L2-LM-D-LC?
- 22-position dual-row layout with 1.27 mm (0.050") pitch optimized for compact mezzanine board-stacking
- Latching mating mechanism (LC option) provides secure, vibration-resistant board-to-board connections
- Low-mount (LM) surface mount termination reduces component height for space-constrained PCB designs
What is SFM-111-L2-LM-D-LC used for?
The SFM-111-L2-LM-D-LC is designed for secure mezzanine card interconnect in vibration-prone environments such as industrial automation, robotics, and transportation electronics. The latching contact design and 22-position dual-row configuration make it ideal for daughter-card interfaces in 3.3 V and 5 V embedded systems where accidental disconnection would cause system failure. Its surface mount low-mount (LM) style minimizes assembly height while maintaining reliable signal integrity across all 22 positions.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-111-L2-LM-D-LC datasheet?
SFM-111-L2-LM-D-LC Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-111-L2-LM-D-LC?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the LC (low-current) designation mean for the SFM-111-L2-LM-D-LC connector?
The LC designation in SFM-111-L2-LM-D-LC refers to the low-current contact configuration, which is optimized for signal-level currents rather than high-power loads. These contacts are designed to maintain reliable electrical performance for signals typically in the milliamp range, making them suitable for digital logic, sensor, and control signal routing at 3.3 V or 5 V in compact mezzanine board stacking applications.
How does the latching mechanism of SFM-111-L2-LM-D-LC improve connector reliability in vibration environments?
The SFM-111-L2-LM-D-LC's locking and latching feature mechanically retains the mated connector pair against accidental disengagement. In applications exposed to mechanical vibration—such as industrial machinery or vehicle-mounted electronics—this latching prevents intermittent contact failures that could cause system resets or signal loss across the 22-position dual-row 1.27 mm pitch interface.
How does SFM-111-L2-LM-D-LC differ from SFM-111-L2-S-D-A-P for the same 22-position application?
Both variants provide 22 positions at 1.27 mm pitch with L2 stacking height, but SFM-111-L2-LM-D-LC adds a low-mount (LM) termination and locking contact (LC) feature compared to the standard SFM-111-L2-S-D-A-P. The LM option lowers the overall PCB component height, while the LC latching contacts ensure secure retention in dynamic environments, making SFM-111-L2-LM-D-LC preferable for applications where vibration or space below the board is a constraint.
What PCB footprint does the SFM-111-L2-LM-D-LC require for 22-position dual-row surface mount placement?
The SFM-111-L2-LM-D-LC requires a dual-row surface mount land pattern at 1.27 mm pitch with 11 pads per row, totaling 22 pads. The compact 1.27 mm pitch means the connector body spans approximately 13.3 mm along the pin axis, with two rows separated by the standard SFM series row spacing. Precise solder paste stencil design is needed for reliable SMT reflow soldering of all 22 pads in the footprint.
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