SFM-123-02-STL-D-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-123-02-STL-D-A-K-TR is a 46-position dual-row surface-mount socket strip with 0.050" (1.27 mm) pitch, offering high-reliability gold-plated contacts for compact PCB signal interfaces. The STL low-profile tail and SMT termination enable reflow assembly in dense board layouts. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 46
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 46-position dual-row configuration on 0.050" (1.27 mm) pitch provides high contact density in a minimal PCB footprint
- STL low-profile solder tail variant reduces overall connector height for slim board stacking and space-constrained enclosures
- Gold-plated contacts rated for 1000+ mating cycles support reliable repeated insertions in test and module-socket applications
Applications
The SFM-123-02-STL-D-A-K-TR is designed for compact board-to-board and daughter-card socket interfaces in FPGA evaluation kits, embedded computing modules, and high-density test fixtures requiring 46 closely spaced contacts. Its low-profile STL tail and 0.050" pitch suit automated SMT assembly in telecommunications and instrumentation products where vertical clearance is limited.
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 STL tail variant of the SFM-123-02-STL-D-A-K-TR differ from the standard tail in board height requirements?
The STL (short tail lead) variant of the SFM-123-02-STL-D-A-K-TR reduces the solder tail length below the PCB by approximately 0.5 mm compared to the standard L tail, lowering the minimum board clearance needed on the back side. This makes it preferable in 46-pin dual-row applications where the PCB mounts within 1 mm of an enclosure wall or adjacent board.
Which mating headers pair with the SFM-123-02-STL-D-A-K-TR in a 0.050" pitch dual-row stack?
The SFM-123-02-STL-D-A-K-TR mates with SAMTEC TSM or SSM series vertical headers on the same 0.050" (1.27 mm) pitch in a 46-position dual-row footprint. The 02 height code specifies a 0.200" above-board engagement depth, and matching the header stack height ensures proper mechanical engagement across all 46 contacts.
How many signal lines can the SFM-123-02-STL-D-A-K-TR carry, and what current rating applies per contact?
With 46 positions in a dual-row arrangement, the SFM-123-02-STL-D-A-K-TR provides 46 independent signal paths. SAMTEC SFM series contacts are rated at 1 A per contact under typical conditions, meaning the connector can distribute up to 46 A total across dedicated power and signal lanes in high-density embedded board designs.
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