SFM-118-T2-STL-D-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-118-T2-STL-D-A-K-TR is a 36-position, dual-row high-reliability socket strip with 0.050" (1.27 mm) pitch for surface mount assembly. Contacts are rated at 1.0 A each and the connector operates up to 125°C with gold-plated terminations for long service life. Available in stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 36
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-118-T2-STL-D-A-K-TR?
- 36-position dual-row socket at 0.050" (1.27 mm) pitch delivers high signal density in a compact SMT footprint suitable for space-constrained PCB designs
- STL (stand-off) tail option provides a controlled 0.15 mm stand-off height for flux-cleaning clearance during reflow soldering
- High-reliability stamped contacts with gold plating rated 1.0 A per contact at 125°C ensure low contact resistance and corrosion resistance over the connector's service life
What is SFM-118-T2-STL-D-A-K-TR used for?
The SFM-118-T2-STL-D-A-K-TR is designed for 36-signal board-to-board and mezzanine card interconnects in industrial control systems, embedded computing, and test and measurement equipment. Its STL stand-off tail maintains a consistent solder joint profile and facilitates thorough flux cleaning under the connector body after reflow. The compact 1.27 mm pitch allows routing 36 differential or single-ended signals in a footprint smaller than comparable 2.54 mm pitch connectors.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-118-T2-STL-D-A-K-TR datasheet?
SFM-118-T2-STL-D-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-118-T2-STL-D-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the STL tail variant mean for the soldering and cleaning process of the SFM-118-T2-STL-D-A-K-TR?
The STL suffix designates a stand-off tail that lifts the connector body approximately 0.15 mm above the PCB surface. This gap allows flux residue to be washed out after reflow soldering, which is required by IPC-A-610 Class 3 cleanliness standards. Without this stand-off, flux can be trapped beneath the 36-position footprint and cause long-term ionic contamination issues.
How many signal paths can the SFM-118-T2-STL-D-A-K-TR route, and what current does each contact support?
The SFM-118-T2-STL-D-A-K-TR provides 36 contacts in an 18-per-row dual-row layout, each rated for 1.0 A continuous current at up to 125°C. For a board carrying mixed low-power signals, designers can assign up to 36 individual signal or power channels, or configure pairs of contacts in parallel to handle up to 2.0 A per combined channel.
For a compact sensor node PCB, how does the 0.050" pitch of the SFM-118-T2-STL-D-A-K-TR compare to a 0.100" pitch alternative?
At 0.050" (1.27 mm) pitch, the SFM-118-T2-STL-D-A-K-TR has a mated footprint approximately 50% shorter than an equivalent 0.100" (2.54 mm) pitch connector for the same 36-position count. For a sensor node where PCB area is limited to 30 mm x 20 mm, this size reduction can free 8–10 mm of board length for additional circuitry or mechanical mounting features.
In which procurement scenario is the SFM-118-T2-STL-D-A-K-TR stocked in tape-and-reel packaging?
The TR suffix indicates tape-and-reel packaging, which loads directly into standard SMT pick-and-place feeders. For production volumes above 500 units per run, tape-and-reel reduces per-placement handling time to under 0.5 seconds and eliminates manual tray loading. This packaging is the standard choice for automated assembly lines where the 36-position connector must be placed at high throughput rates.
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About SAMTEC
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