SFM-136-T2-STL-D-A-P SAMTEC Connector (Other) In Stock
SAMTEC SFM-136-T2-STL-D-A-P is a 72-position dual-row high-reliability surface-mount socket strip with 0.050-inch (1.27 mm) pitch, designed for dense board-to-board mezzanine connections in telecommunications, computing, and industrial applications.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 72
- Lifecycle
- ACTIVE
- Datasheet
- SFM-136-T2-STL-D-A-P Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 72-position dual-row socket strip on 0.050-inch (1.27 mm) pitch for ultra-high-density interconnects
- High-reliability construction for demanding telecommunications and computing applications
- Surface-mount termination compatible with standard SMT reflow processes
- Dual-row layout provides 72 total contacts in a minimal PCB footprint
- STL (solderable tail length) variant for enhanced solder joint strength
- Designed for mezzanine and board-to-board stacking in space-constrained designs
Applications
The SFM-136-T2-STL-D-A-P is used in high-density mezzanine board stacking, FPGA daughter cards, and telecommunications line cards where 72 positions on a 0.050-inch (1.27 mm) pitch are needed in a surface-mount socket strip format. Its high-reliability construction makes it suitable for networking switches, server blades, and industrial computing modules requiring thousands of mating cycles. The dual-row, 36-per-row arrangement allows designers to route large parallel data buses and mixed signal/power connections in a compact PCB area.
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
How does the 0.050-inch pitch of SFM-136-T2-STL-D-A-P compare to standard 0.100-inch pitch connectors for density-critical designs?
The SFM-136-T2-STL-D-A-P uses a 0.050-inch (1.27 mm) pitch, which is half the spacing of standard 0.100-inch (2.54 mm) pitch connectors. This allows the 72-position dual-row socket strip to occupy roughly half the board length of an equivalent 0.100-inch connector, enabling significantly higher interconnect density on mezzanine and blade server PCBs.
What reliability advantages does the STL (solderable tail length) variant of SFM-136-T2-STL-D-A-P offer?
The STL designation on SFM-136-T2-STL-D-A-P indicates an extended solderable tail length, which increases solder joint area and pull-out strength compared to standard surface-mount terminations. For 72-position high-density connectors in telecommunications and computing applications, this improves resistance to mechanical stress and vibration across the full connector body.
Can SFM-136-T2-STL-D-A-P support mixed signal and power connections in a single connector body?
Yes. The 72-position dual-row format of SFM-136-T2-STL-D-A-P allows designers to assign contacts selectively for signals, power, and ground returns within the same connector. On a 0.050-inch (1.27 mm) pitch, 72 positions provide enough contacts to route wide data buses, multiple supply rails, and ground planes simultaneously in FPGA daughter card or server blade designs.
What procurement lead time and lifecycle considerations apply when designing SFM-136-T2-STL-D-A-P into long-life industrial systems?
SAMTEC's SFM series is an actively marketed high-reliability connector family, but 72-position custom-suffix variants may require factory lead times of several weeks. Designers planning long production lifecycles should confirm the A-P option availability and request volume pricing, as the 0.050-inch pitch 72-position dual-row format is a specialized part with lower distribution stock compared to standard 2.54 mm pitch connectors.
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