SFM-131-T2-LM-D-A-P-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-131-T2-LM-D-A-P-TR is a 62-position dual-row surface-mount socket strip at 0.050" (1.27 mm) pitch, built for high-reliability mezzanine and board-to-board stacking. Tape-and-reel packaging enables automated SMT pick-and-place assembly in volume production environments.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 62
- Lifecycle
- ACTIVE
- Datasheet
- SFM-131-T2-LM-D-A-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 62-position dual-row socket at 0.050" (1.27 mm) pitch routes high signal counts between boards in a compact SMT connector
- T2/LM lead variant provides an extended solder tail length for improved coplanarity tolerance on SMT pads
- Tape-and-reel packaging in 1,000-piece reels supports automated assembly in high-volume production lines
- High-reliability gold-plated contacts maintain low contact resistance from -55°C to +125°C over hundreds of mating cycles
Applications
The SFM-131-T2-LM-D-A-P-TR serves board-to-board and mezzanine stacking interfaces in industrial controllers, embedded computing modules, and telecommunications line cards requiring 62 signal connections in a minimal PCB footprint. Its 1.27 mm pitch and SMT construction suit FPGA daughter cards and DSP modules where routing density is constrained. Volume electronics manufacturers benefit from the tape-and-reel delivery for high-throughput SMT assembly lines.
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
What is the signal density of SFM-131-T2-LM-D-A-P-TR and how does its length compare to similar SAMTEC connectors?
The SFM-131-T2-LM-D-A-P-TR carries 62 positions in a dual-row format with 31 contacts per row at 0.050 inch (1.27 mm) pitch, resulting in a connector body approximately 40 mm long. This positions it between the smaller SFM-122 (44 positions, ~28 mm) and the larger SFM-132 (64 positions, ~42 mm) in the SAMTEC SFM product family.
What does the LM lead style mean for the SFM-131-T2-LM-D-A-P-TR and how does it affect soldering?
The LM designation in SAMTEC SFM connectors indicates a longer solder tail style compared to the standard SM lead, providing additional lead compliance to accommodate PCB warpage or coplanarity variations during SMT reflow. This is beneficial in applications where large PCB panels experience thermal gradients during soldering, as the 0.5 mm to 1 mm additional tail length maintains solder joint integrity across all 62 positions.
For a telecom line card requiring 62 signals between a main FPGA board and an interface daughter card, why select SFM-131-T2-LM-D-A-P-TR?
The SFM-131-T2-LM-D-A-P-TR provides exactly 62 high-reliability signal positions at 1.27 mm pitch, fitting within the constrained board edge area of a standard 1U telecom line card. The tape-and-reel packaging aligns with high-volume SMT assembly processes, and the gold-plated contacts support the GHz-range differential signals typical in 10 GbE and 25 GbE network interface cards.
What procurement lead time should be expected for SFM-131-T2-LM-D-A-P-TR and how can supply risks be mitigated?
SAMTEC SFM series connectors typically carry lead times of 6–12 weeks depending on variant and volume, with T2/LM specialty lead styles potentially requiring up to 16 weeks at peak demand periods. Engineers should qualify the part early in the design cycle and place blanket orders for 3-month rolling quantities, maintaining a minimum safety stock of 4 weeks of production demand to buffer against supply chain disruptions.
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