SFM-142-L2-SM-D-A-P-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-142-L2-SM-D-A-P-TR is an 84-position dual-row high-reliability socket strip with 1.27 mm (0.050 inch) pitch and selective 30 micro-inch gold contact finish for surface mount assembly. It features plastic peg retention and tape-and-reel packaging for automated placement in fine-pitch mezzanine mating applications. From $7.60 in stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 84
- Lifecycle
- ACTIVE
- Datasheet
- SFM-142-L2-SM-D-A-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-142-L2-SM-D-A-P-TR?
- 84-position dual-row 1.27 mm (0.050 inch) pitch SMT socket strip for high-density fine-pitch mezzanine mating with up to 1 A per pin
- Selective 30 micro-inch gold contact finish over beryllium-copper for high-cycle mating reliability rated to 200 mating cycles
- Plastic peg (P) retention and tape-and-reel (TR) packaging enabling accurate SMT pick-and-place placement and pre-reflow board fixation
What is SFM-142-L2-SM-D-A-P-TR used for?
The SFM-142-L2-SM-D-A-P-TR is suited for high-density mezzanine interconnect applications in FPGA compute modules, software-defined radio platforms, and industrial automation controllers where 84-position 1.27 mm pitch socket strips must support repeated module swaps. The plastic peg retention ensures the connector stays aligned during reflow soldering in automated SMT lines, and the tape-and-reel format is optimized for high-volume production. The 30 micro-inch gold contact finish supports reliable mating across the full rated 200-cycle lifecycle in maintenance-intensive environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-142-L2-SM-D-A-P-TR datasheet?
SFM-142-L2-SM-D-A-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-142-L2-SM-D-A-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What contact finish and mating cycle rating does the SFM-142-L2-SM-D-A-P-TR carry?
The SFM-142-L2-SM-D-A-P-TR uses a selective 30 micro-inch gold over nickel contact finish on beryllium-copper contacts, providing a mating cycle rating of at least 200 cycles with stable contact resistance below 20 milliohms, which meets the durability requirements of field-replaceable module systems in industrial and communications equipment.
How does the plastic peg (P) option on SFM-142-L2-SM-D-A-P-TR improve SMT assembly yield?
The plastic peg option adds two molded posts that insert into pre-drilled PCB holes, preventing the 84-position connector body from sliding during PCB handling and reflow oven transport. This mechanical registration ensures all 84 SMT pads remain aligned to their land patterns throughout the reflow profile, significantly reducing solder open and bridging defect rates in high-volume production.
Which fine-pitch mezzanine header series mates with the SFM-142-L2-SM-D-A-P-TR?
The SFM-142-L2-SM-D-A-P-TR mates with SAMTEC's TSM-142 and TSW-142 dual-row 1.27 mm pitch header series. Selecting different mating header tail lengths achieves board-to-board stack heights ranging from approximately 5 mm to 20 mm, allowing the designer to set the precise standoff needed for component clearance on the mezzanine board.
When is SFM-142-L2-SM-D-A-P-TR preferable to a 2.54 mm pitch socket strip for the same 84-contact count?
At 84 positions in dual-row 1.27 mm pitch format, the SFM-142-L2-SM-D-A-P-TR occupies roughly half the PCB footprint of an equivalent 2.54 mm pitch socket, freeing at least 30 mm of PCB length for other components. This compact footprint is the primary reason designers select 1.27 mm pitch SFM connectors over standard 0.1 inch alternatives when board space is the critical design constraint.
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