SFM-143-T2-SM-D-A-P SAMTEC Connector (Other) In Stock
SAMTEC SFM-143-T2-SM-D-A-P is an 86-position dual-row high-reliability socket strip with 1.27 mm (0.050") pitch, designed for surface mount board-to-board applications demanding high mating cycle life and signal integrity. Gold-plated contacts and precision molded housing ensure consistent performance across demanding environments.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 86
- Lifecycle
- ACTIVE
- Datasheet
- SFM-143-T2-SM-D-A-P Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 86-position dual-row SMT socket strip at 1.27 mm (0.050") pitch for high-density interconnects
- High-reliability design rated for extended mating cycles, ideal for test and field-replaceable modules
- Gold-plated contact finish (A option) for superior corrosion resistance and low contact resistance
- Surface mount termination compatible with standard SMT reflow soldering at up to 260°C
- Dual-row (D) layout provides 43 contacts per row in a compact low-profile footprint
Applications
SFM-143-T2-SM-D-A-P is suited for high-density board-to-board mating in FPGA mezzanine cards, ruggedized defense electronics, and high-speed data acquisition modules where 86 contacts at 1.27 mm pitch are required. Its gold-plated contacts and high-reliability socket construction make it a strong choice for applications involving frequent module swapping or long operational service life.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SFM-143-T2-SM-D-A-P:
Board Connector, 86 Contact(s), 2 Row(s), Female, Straight, 0.05 inch Pitch, Surface Mount Terminal, Black Insulator, Socket
Frequently Asked Questions
What is the contact pitch and total pin count of the SFM-143-T2-SM-D-A-P, and what mating density does it support?
The SFM-143-T2-SM-D-A-P features 86 positions on a 1.27 mm (0.050") pitch in a dual-row arrangement, providing 43 contacts per row. This fine pitch enables very high signal density within a compact SMT footprint, making it appropriate for FPGA daughtercard and high-speed data bus interconnects.
Why might an engineer choose the gold-plated contact option (-A) in this socket strip for field-replaceable module designs?
The -A contact finish indicates gold plating, which provides lower and more stable contact resistance—typically in the milliohm range—compared to tin or selective finishes. Gold plating is preferred for high-reliability and high-mating-cycle applications, such as field-swappable modules that may be inserted and removed dozens of times throughout a system's service life.
How does the SFM-143-T2-SM-D-A-P's 0.050" pitch compare to 0.100" pitch connectors for space-limited PCB designs?
At 1.27 mm (0.050") pitch, the SFM-143-T2-SM-D-A-P provides roughly twice the contact density of standard 2.54 mm (0.100") pitch connectors for the same board length. This makes it the preferred choice for compact FPGA carrier boards, mezzanine modules, and high-density signal routing applications where board real estate is at a premium.
Related Guides
How to Choose a Digital Potentiometer: AD5204, AD5206, and AD8403 Selection Guide
Compare the AD5204, AD5206, and AD8403 multi-channel SPI digipots by channel count, resistance value, and package to choose the right Analog Devices digital potentiometer for your design.
Jun 21, 2026
AD7745 / AD7746 / AD7747 Capacitance-to-Digital Converter Design Guide
Complete application note for the AD774x CDC family: circuit design, shielding, conversion rate selection, and sourcing guidance for the AD7745, AD7746, and AD7747.
Jun 21, 2026
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
Why Buy from FindMyChip
About SAMTEC
SAMTEC is a leading electronic component manufacturer. FindMyChip sources SAMTEC ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”