SFM-125-T2-STL-D-A-K SAMTEC Connector (Other) In Stock
SAMTEC SFM-125-T2-STL-D-A-K is a 50-position dual-row high-reliability socket strip with 0.050" (1.27 mm) pitch for surface mount applications. Its low-profile SMT footprint and gold-plated contacts deliver dependable mating performance in space-constrained PCB assemblies.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 50
- Lifecycle
- ACTIVE
- Datasheet
- SFM-125-T2-STL-D-A-K Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 50-position dual-row socket at 0.050" (1.27 mm) pitch for high-density SMT board-to-board interconnect
- Gold-plated contacts provide low contact resistance and extended mating cycle life
- High-reliability construction suits demanding industrial and mil-spec design environments
Applications
The SFM-125-T2-STL-D-A-K is used in high-density mezzanine and board-to-board interconnect designs for embedded computing, defense electronics, and telecommunications equipment. Its 50-position dual-row configuration at 0.050" pitch maximizes signal routing density on compact PCBs. Gold-plated contacts ensure reliable electrical performance across thousands of mating cycles.
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
For a 50-signal interface on a compact PCB, how does the SFM-125-T2-STL-D-A-K optimize board space?
The SFM-125-T2-STL-D-A-K uses a dual-row layout at 0.050" (1.27 mm) pitch to fit 50 positions into a minimal PCB footprint, making it significantly more space-efficient than standard 0.100" pitch connectors while maintaining reliable SMT soldering compatibility.
How does the gold plating on the SFM-125-T2-STL-D-A-K contacts benefit long-term reliability?
Gold-plated contacts on the SFM-125-T2-STL-D-A-K resist corrosion and oxidation, maintaining low contact resistance across thousands of mating cycles. This is especially valuable in industrial and defense applications with frequent plug-unplug events or exposure to humidity.
When would an engineer choose the SFM-125-T2-STL-D-A-K over a lower-density 0.100" alternative?
Engineers select the SFM-125-T2-STL-D-A-K when board real estate is limited and 50 signals must be routed through a single connector. The 0.050" (1.27 mm) pitch cuts connector width roughly in half compared to a 2.54 mm pitch alternative, critical in miniaturized embedded or handheld device PCB designs.
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