SFM-143-L2-SM-D SAMTEC Connector (Other) In Stock
SAMTEC SFM-143-L2-SM-D is an 86-position dual-row SMT socket strip with 0.050 inch pitch, offering high-reliability board-to-board and module mezzanine connectivity. Designed for demanding aerospace, defense, and industrial PCB applications requiring dense signal routing. Available from stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 86
- Lifecycle
- ACTIVE
- Datasheet
- SFM-143-L2-SM-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-143-L2-SM-D?
- 86-pin dual-row configuration at 0.050 inch pitch for dense high-channel-count mezzanine and board-to-board interconnects
- Surface mount termination enables automated SMT reflow assembly and reliable solder joint formation across all 86 pins simultaneously
- SAMTEC SFM-series high-reliability socket construction suited for aerospace, defense, and vibration-intensive industrial environments
What is SFM-143-L2-SM-D used for?
SFM-143-L2-SM-D is used in mezzanine board stacking, module-to-backplane connections, and high-density I/O expansion designs in aerospace avionics, defense electronics, and industrial computing platforms. Its 86-pin dual-row layout at 0.050 inch pitch enables compact routing of power, ground, and signal channels between PCB layers without bulky through-hole hardware. SAMTEC's SFM series precision contacts provide consistent electrical performance in vibration-prone and thermally demanding environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-143-L2-SM-D datasheet?
SFM-143-L2-SM-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-143-L2-SM-D?
Compatible alternatives and drop-in replacements for SFM-143-L2-SM-D:
Board Connector, 86 Contact(s), 2 Row(s), Female, Straight, 0.05 inch Pitch, Surface Mount Terminal, Black Insulator, Socket
Frequently Asked Questions
How many signal channels can SFM-143-L2-SM-D accommodate in a mezzanine board stacking design?
SFM-143-L2-SM-D provides 86 pins in a dual-row layout with 43 pins per row at 0.050 inch pitch. This configuration supports simultaneous routing of power, ground, and high-speed signal channels between stacked PCBs, making it suitable for high-density backplane and mezzanine expansion designs requiring reliable SMT interconnection.
For a compact PCB layout, how does SFM-143-L2-SM-D's 0.050 inch pitch compare to standard 0.100 inch socket strips?
The 0.050 inch pitch of SFM-143-L2-SM-D halves the contact spacing versus standard 0.100 inch connectors, reducing the overall connector footprint by approximately 50% in length. With 86 pins in a dual-row SMT configuration, it fits high-density connections on small-form-factor computing modules, avionics cards, and compact industrial controller boards.
When designing for high-vibration aerospace or defense environments, how does the SMT design of SFM-143-L2-SM-D improve board reliability?
SFM-143-L2-SM-D's surface-mount termination forms solder joints at all 86 pins simultaneously during reflow, distributing mechanical stress more evenly than through-hole alternatives. This lowers the risk of solder fatigue under vibration, and the SAMTEC SFM series contact geometry maintains reliable electrical continuity across shock and thermal cycles common in military and aerospace platform designs.
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About SAMTEC
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