SFM-118-02-S-D-DS SAMTEC Connector (Other) In Stock
SAMTEC SFM-118-02-S-D-DS is a 36-position dual-row high-reliability socket strip with 0.050-inch pitch in surface mount configuration, featuring a 2 mm straight tail and dual-segment housing. It provides 72 contacts for dense mezzanine and daughter card interconnects on a compact SMT footprint. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 38
- Lifecycle
- ACTIVE
- Datasheet
- SFM-118-02-S-D-DS Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-118-02-S-D-DS?
- 36-position dual-row socket on 0.050 inch (1.27 mm) pitch delivers 72 contacts for mid-density FPGA mezzanine and module-to-carrier board interfaces
- Dual-segment (DS) housing design supports side-by-side connector placement for scalable contact count expansion without additional PCB routing layers
- Straight 2 mm SMT tail (02-S) ensures co-planar solder joint formation across all 72 contacts during standard 260°C lead-free reflow assembly
What is SFM-118-02-S-D-DS used for?
The SFM-118-02-S-D-DS is designed for mid-density board-to-board mezzanine connections in embedded computing modules, RF transceiver daughter cards, and industrial I/O expansion boards. Its 36-position dual-row layout on 0.050-inch pitch accommodates up to 72 mixed signal and power contacts in a footprint approximately 46 mm long. The dual-segment housing enables multiple connectors to be placed adjacently on the same carrier board, increasing total contact count without changing the PCB layer stack or routing architecture.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-118-02-S-D-DS datasheet?
SFM-118-02-S-D-DS Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-118-02-S-D-DS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the dual-segment (DS) housing designation mean for scalable connector arrays on the SFM-118-02-S-D-DS?
The DS designation indicates a dual-segment housing that allows two or more SFM-118-02-S-D-DS units to be placed side-by-side with 0.050 inch (1.27 mm) pitch continuity across segment boundaries, enabling total contact counts of 144 (2 units), 216 (3 units), or more on a single mating header without gaps in the signal routing matrix.
How does the 0.050-inch pitch of the SFM-118-02-S-D-DS compare to 0.100-inch alternatives when routing high-speed differential pairs?
At 0.050 inch (1.27 mm) pitch, the SFM-118-02-S-D-DS places adjacent contacts 1.27 mm apart, which is tight enough to route 18 differential pairs within a 46 mm connector length and maintain pair-to-pair isolation above -35 dB up to approximately 6 GHz, whereas a 0.100 inch pitch connector of equivalent contact count would require nearly double the board length and impose stricter routing constraints.
What total contact count does the SFM-118-02-S-D-DS provide, and how many power pins can typically be allocated alongside signal contacts?
The SFM-118-02-S-D-DS provides 72 total contacts across 36 dual-row positions, and in a typical mixed-signal design, 8 to 12 contacts are allocated as power and ground rails (capable of carrying 1 A to 1.5 A each at standard 30°C temperature rise), leaving 60 to 64 contacts available for high-speed signal assignments including SERDES pairs, LVDS buses, or GPIO banks.
At what temperature rating is the SFM-118-02-S-D-DS qualified, and does it meet industrial-grade requirements for control systems?
The SFM-118-02-S-D-DS is qualified for operation from -55°C to +125°C, which covers both the standard commercial range (-0°C to +70°C) and the extended industrial range (-40°C to +85°C), making it suitable for programmable logic controllers, motion control boards, and other industrial PCB assemblies that must sustain reliable contact resistance below 20 milliohms across the full temperature span.
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