SFM-142-T2-LM-D SAMTEC Connector (Other) In Stock
SAMTEC SFM-142-T2-LM-D is an 84-position dual-row high-reliability socket strip with 0.050 inch pitch, designed for surface-mount applications. It features low-profile SMT termination and gold-plated contacts for secure, high-density board-level interconnects. Available in stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 84
- Lifecycle
- ACTIVE
- Datasheet
- SFM-142-T2-LM-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 84-position dual-row SMT socket strip at 0.050 inch pitch for high-density board-level signal connections
- High-reliability construction with gold-plated contacts ensuring low contact resistance and extended mating life
- Surface-mount termination style compatible with standard reflow soldering processes for automated PCB assembly
- Low-profile form factor suited for compact modules and space-constrained embedded system designs
Applications
The SFM-142-T2-LM-D is designed for high-density surface-mount board-to-board and board-to-module interconnect applications in telecommunications equipment, test and measurement instruments, and embedded computing platforms. Its 84-position dual-row layout at 0.050 inch pitch allows significant pin count in a compact footprint. The high-reliability socket strip construction makes it appropriate for demanding environments with frequent mating and unmating cycles.
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 pin count does the SFM-142-T2-LM-D offer for SMT designs?
The SFM-142-T2-LM-D provides 84 positions arranged in a dual-row configuration at a 0.050 inch (1.27 mm) pitch. This compact SMT socket strip allows high pin density on the PCB surface, making it ideal for space-constrained embedded or telecommunications board designs.
In which applications is the SFM-142-T2-LM-D most commonly deployed?
This surface-mount socket strip is commonly used in test and measurement equipment, telecommunications line cards, and embedded computing daughter modules where 84-pin dual-row connectivity at 0.050 inch pitch is required. Its SMT design supports automated reflow soldering at standard PCB assembly temperatures.
How does the SFM-142-T2-LM-D compare to through-hole socket strips for reliability?
Unlike through-hole versions that require wave soldering, the SFM-142-T2-LM-D uses surface-mount termination compatible with standard reflow profiles, improving placement accuracy. The gold-plated contacts maintain low contact resistance across hundreds of mating cycles, making it a high-reliability choice for 84-pin dual-row SMT interconnects.
What contact finish is used in the SFM-142-T2-LM-D and what does it mean for signal quality?
The SFM-142-T2-LM-D uses gold-plated contacts, which provide excellent corrosion resistance and consistently low contact resistance—typically below 20 milliohms—across the 84 positions. This ensures stable signal transmission for both high-speed digital signals and low-level analog measurements in demanding board-level interconnect scenarios.
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