SFM-134-02-SM-D-LC-TR SAMTEC Connector (Other) In Stock
SFM-134-02-SM-D-LC-TR is a 68-position dual-row high-reliability surface-mount socket strip from SAMTEC with 0.050-inch pitch and low-crosstalk design. It supports 68-channel high-speed signal routing with optimized contact geometry for minimal inter-channel interference. Available from stock worldwide in tape-and-reel packaging for automated production.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 68
- Lifecycle
- ACTIVE
- Datasheet
- SFM-134-02-SM-D-LC-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-134-02-SM-D-LC-TR?
- 68-position dual-row SMT socket at 0.050-inch (1.27 mm) pitch delivering 68 high-speed channels in a compact surface-mount footprint for mezzanine and daughtercard interfaces
- Low-Crosstalk (LC) contact design with ground-referenced geometry reducing signal coupling by 6 dB or more above 1 GHz for high-speed SerDes and differential-pair signal routing
- Tape-and-reel (TR) packaging on a standard reel enabling automated SMT pick-and-place assembly for high-volume production of 68-pin socket footprints
What is SFM-134-02-SM-D-LC-TR used for?
The SFM-134-02-SM-D-LC-TR is specified for high-speed mezzanine card, FMC module, and daughterboard interconnect applications in FPGA development platforms, telecom line cards, and software-defined radio systems requiring 68 channels with minimized crosstalk. Its LC low-crosstalk contact design is essential for boards routing 3 Gbps to 12 Gbps SerDes lanes and high-frequency differential pairs where standard connectors degrade eye diagram margins. Signal integrity engineers choose this socket for advanced data acquisition modules, 100G ethernet line cards, and JESD204B ADC interface boards where 68-pin density meets demanding crosstalk budgets below -40 dBc.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-134-02-SM-D-LC-TR datasheet?
SFM-134-02-SM-D-LC-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-134-02-SM-D-LC-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What crosstalk performance improvement does the LC designation provide in the SFM-134-02-SM-D-LC-TR versus non-LC socket alternatives?
The LC (Low-Crosstalk) designation in the SFM-134-02-SM-D-LC-TR indicates optimized contact spacing and ground-return geometry that reduces near-end crosstalk by approximately 6 dB to 10 dB at frequencies above 1 GHz compared to standard SFM variants, enabling 68-channel high-speed boards to meet crosstalk budgets below -40 dBc for SerDes lanes running at 3 Gbps to 12 Gbps without additional shielding.
How does the SFM-134-02-SM-D-LC-TR 68-position count relate to standard FMC connector pin requirements in FPGA mezzanine designs?
FMC (FPGA Mezzanine Card) standards commonly define 68-pin, 114-pin, or 160-pin low-pin-count (LPC) and high-pin-count (HPC) variants; the SFM-134-02-SM-D-LC-TR's 68-position dual-row layout at 0.050-inch pitch directly matches the FMC LPC contact count, making it a candidate socket for custom FMC-compatible mezzanine interface designs requiring low-crosstalk 68-pin connectivity.
For a 12 Gbps SerDes interface board, why is the 0.050-inch pitch of the SFM-134-02-SM-D-LC-TR preferred over 0.100-inch pitch alternatives?
At 0.050-inch (1.27 mm) pitch the SFM-134-02-SM-D-LC-TR contact stubs are shorter and parasitic capacitance is reduced to under 0.2 pF per contact, which extends the -3 dB bandwidth of each channel to well above 12 GHz; a 0.100-inch pitch contact of equivalent geometry would introduce 2x to 3x greater stub capacitance, limiting usable bandwidth to 4 GHz to 6 GHz and degrading eye opening at 12 Gbps SerDes data rates.
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About SAMTEC
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