SFM-111-02-LM-D-LC-TR SAMTEC Connector (Other) In Stock
Samtec SFM-111-02-LM-D-LC-TR is a 22-position dual-row high reliability surface mount socket strip with 0.050" (1.27 mm) pitch and low-profile mechanically reinforced contacts. It supports high-density board-to-board connectivity with tape-and-reel packaging for automated SMT placement. Globally stocked for fast worldwide delivery.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 22
- Lifecycle
- ACTIVE
- Datasheet
- SFM-111-02-LM-D-LC-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 22-position dual-row SMT socket strip on 0.050" (1.27 mm) pitch for high-density signal routing in compact PCB areas
- Low-profile mechanically reinforced (LM) contact variant provides enhanced structural rigidity for reliable mating under vibration
- High reliability gold-plated contacts maintain contact resistance below 20 milliohms over extended mating cycles
- Tape-and-reel (-TR) packaging supports automated high-volume SMT assembly with standard pick-and-place equipment
Applications
The SFM-111-02-LM-D-LC-TR is suited for high-density daughter-card and module interconnect applications in telecom, industrial automation, and embedded computing where 22 signal positions are required at 0.050" pitch. Its mechanically reinforced low-profile contacts provide added robustness in environments subject to mechanical shock or vibration. The dual-row configuration enables efficient signal routing in space-constrained PCB designs where conventional connectors would occupy too much board area.
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 position count, row layout, and contact pitch define the SFM-111-02-LM-D-LC-TR?
The SFM-111-02-LM-D-LC-TR provides 22 total contact positions in a dual-row arrangement with 11 contacts per row, at a 0.050" (1.27 mm) pitch. At this pitch, the dual-row contact region spans approximately 13.97 mm in length, making it a compact socket for applications needing 22 signals in a restricted board footprint compared to wider-pitch connectors of the same pin count.
How does the LM (mechanically reinforced) contact variant of the SFM-111-02-LM-D-LC-TR benefit rugged or vibration-prone installations?
The LM designation on the SFM-111-02-LM-D-LC-TR indicates a low-profile mechanically reinforced contact design that adds structural support to each contact pin, reducing flex under repeated mating and lateral mechanical stress. This is particularly valuable in industrial control panels and mobile equipment where vibration loads between 10 Hz and 2,000 Hz can fatigue standard contacts over time, causing intermittent signal failures or elevated contact resistance above acceptable thresholds.
Which industries and product categories most frequently specify the SFM-111-02-LM-D-LC-TR for board interconnect?
The SFM-111-02-LM-D-LC-TR is most frequently specified in telecommunications shelf equipment, FPGA development boards, medical instrumentation, and compact industrial PLC modules that require a 22-position 0.050" pitch interface with enhanced mechanical reliability. The high reliability rating and dual-row design make it a common choice for daughter-card sockets in products rated for -40°C to +85°C operating temperatures and long service lifetimes exceeding 10 years.
What procurement advantages does the tape-and-reel format of the SFM-111-02-LM-D-LC-TR offer compared to bulk-packaged variants?
The -TR suffix indicates tape-and-reel packaging, which feeds directly into automated SMT pick-and-place systems without manual loading steps. For production runs of 1,000 or more boards, tape-and-reel reduces placement cycle time and eliminates the handling damage risk associated with bulk or tube packaging of fine-pitch 0.050" connectors. Standard Samtec reel quantities typically contain 2,000 pieces per reel for SFM-series components, simplifying inventory management for high-volume builds.
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