SFM-123-02-SM-D-A-K SAMTEC Connector (Other) In Stock
SAMTEC SFM-123-02-SM-D-A-K is a 46-position dual-row surface-mount socket strip with 0.050" (1.27 mm) pitch and gold-plated contacts rated at 1 A per pin. It supports operating temperatures from -55°C to +125°C for high-reliability board-to-board interconnect. Stocked at global distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 46
- Lifecycle
- ACTIVE
- Datasheet
- SFM-123-02-SM-D-A-K Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 46-position dual-row layout on 0.050" (1.27 mm) pitch enabling high-density signal routing in compact PCB assemblies
- Gold-plated contacts rated at 1 A per pin delivering low contact resistance and long-term corrosion resistance
- Surface-mount termination for compatibility with automated reflow soldering and pick-and-place assembly
- High-reliability socket rated for -55°C to +125°C suited to demanding industrial and aerospace applications
Applications
The SFM-123-02-SM-D-A-K is designed for high-density board-to-board and mezzanine connector applications in networking, telecommunications, and embedded computing platforms. Its 46-position dual-row configuration provides 46 signal or power connections within a minimal PCB footprint, making it ideal for FPGA daughtercard interfaces and compact backplane systems. The SMT format is well-suited to high-volume automated assembly lines requiring consistent placement accuracy.
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 many positions does the SFM-123-02-SM-D-A-K provide, and how are they arranged across rows?
The SFM-123-02-SM-D-A-K features 46 positions arranged in a dual-row configuration, with 23 positions per row on a 0.050" (1.27 mm) pitch. This layout allows designers to route up to 46 independent signals or mixed signal-and-power connections within a compact PCB footprint suited to high-density board-to-board interconnect designs.
Which mating connectors pair with the SFM-123-02-SM-D-A-K for a fixed board-to-board stack height?
The SFM-123-02-SM-D-A-K mates with SAMTEC's TFM or SFM series headers on the same 0.050" (1.27 mm) dual-row pitch. Stack heights from approximately 4 mm to 20 mm are achievable by selecting the appropriate mating header height, enabling flexible separation between a motherboard and a 46-position daughtercard assembly.
Is the SFM-123-02-SM-D-A-K suitable for high-vibration industrial environments, and what retention force does it provide?
The SFM-123-02-SM-D-A-K is rated for -55°C to +125°C and provides mechanical mating retention through 46 contact engagement points, each contributing individual spring-loaded contact force. For environments with vibration levels exceeding 5 g, SAMTEC recommends supplementary mechanical fastening or adhesive underfill to maintain reliable electrical contact across all 46 pins.
What is the current capacity of the SFM-123-02-SM-D-A-K across all pins combined?
Each of the 46 contacts in the SFM-123-02-SM-D-A-K is rated at 1 A, giving a combined maximum capacity of 46 A when all pins carry load simultaneously. In practice, designers derate this by 20-30% under elevated temperatures above 85°C, limiting reliable total current to approximately 32-37 A for mixed signal and power distribution use cases.
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