SFM-145-L2-FM-D-A-P SAMTEC Connector (Other) In Stock
SAMTEC SFM-145-L2-FM-D-A-P is a 90-position dual-row high-reliability surface mount socket strip with 0.050" (1.27 mm) pitch, gold-plated contacts (A-suffix), and floating mount design, delivering high-density board-to-board connectivity for aerospace, defense, and advanced computing applications.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 90
- Lifecycle
- ACTIVE
- Datasheet
- SFM-145-L2-FM-D-A-P Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 90 positions in dual-row 0.050" (1.27 mm) pitch configuration for ultra-high-density PCB interconnects
- Gold-plated contacts (A-suffix) ensure minimal contact resistance and reliable performance over thousands of mating cycles
- Floating mount design accommodates PCB-to-PCB misalignment for robust board-to-board mating
- Surface mount form factor enables integration into automated SMT PCB assembly lines
- High-reliability socket strip construction rated for demanding aerospace, defense, and industrial environments
Applications
SFM-145-L2-FM-D-A-P is used in high-density board-to-board interconnect applications such as aerospace electronics, defense computing modules, and high-performance embedded systems where 90 positions must fit within a compact 0.050" pitch SMT footprint. The gold-plated floating-mount design makes it ideal for applications requiring precise mating alignment and extended service life under vibration or thermal cycling.
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 pitch and position count does the SAMTEC SFM-145-L2-FM-D-A-P provide for high-density board-to-board connections?
The SFM-145-L2-FM-D-A-P provides 90 positions arranged in a dual-row layout at 0.050" (1.27 mm) pitch, yielding 45 positions per row. This ultra-fine pitch allows significantly higher signal density per unit PCB area compared to standard 2.54 mm pitch connectors used in less space-constrained designs.
How does the floating mount feature of the SFM-145-L2-FM-D-A-P benefit board-to-board assembly?
The floating mount design allows the 90-position socket to accommodate PCB-to-PCB misalignment during mating, which reduces mechanical stress on solder joints. This is especially valuable in assemblies subject to thermal expansion or vibration, where rigid alignment could cause solder fatigue across the 0.050" pitch contacts over time.
Why are gold-plated contacts specified in SFM-145-L2-FM-D-A-P for aerospace and defense designs?
Gold-plated contacts in the SFM-145-L2-FM-D-A-P (A-suffix) provide stable low contact resistance across thousands of mating cycles and remain corrosion-resistant in humidity and temperature extremes typical of aerospace environments, often ranging from -55°C to +125°C, where tin contacts would degrade and increase signal loss.
What procurement considerations apply when sourcing the SFM-145-L2-FM-D-A-P for a high-volume production program?
Buyers should verify stock levels early for SFM-145-L2-FM-D-A-P because SAMTEC high-reliability 0.050" pitch SMT socket strips in 90-position configurations may carry lead times of 6-12 weeks. For uninterrupted production, stocking safety inventory covering at least 4-6 weeks of usage is advisable, especially for defense or industrial programs with fixed delivery schedules.
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