SFM-129-02-S-D-A-P-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-129-02-S-D-A-P-TR is a 58-position dual-row high-reliability SMT socket strip with 1.27 mm (0.050 inch) pitch and gold-plated contacts. Rated for 1.0 A per pin and up to 105°C operating temperature. In stock worldwide with global shipping available.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 58
- Lifecycle
- ACTIVE
- Datasheet
- SFM-129-02-S-D-A-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-129-02-S-D-A-P-TR?
- 58-position dual-row high-reliability socket strip with 1.27 mm (0.050") pitch for fine-pitch dense interconnects
- Gold-plated contacts delivering superior corrosion resistance and low contact resistance for signal integrity
- Surface mount tape-and-reel packaging enabling automated SMT pick-and-place assembly
- High-reliability construction rated for demanding aerospace, defense, and industrial applications
What is SFM-129-02-S-D-A-P-TR used for?
The SFM-129-02-S-D-A-P-TR is designed for high-reliability applications in aerospace, defense electronics, and medical devices where fine-pitch 1.27 mm (0.050 inch) pitch SMT socket connectors with gold contacts and 58 positions are required. Its dual-row layout supports 29 signal pairs in a compact footprint suitable for mezzanine boards and module-to-board interfaces. Tape-and-reel packaging supports automated high-volume assembly in certified production environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-129-02-S-D-A-P-TR datasheet?
SFM-129-02-S-D-A-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-129-02-S-D-A-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What pitch and position count does SFM-129-02-S-D-A-P-TR offer compared to standard 2.54 mm pitch connectors?
The SFM-129-02-S-D-A-P-TR uses a 1.27 mm (0.050 inch) pitch with 58 positions in a dual-row SMT configuration, providing 29 signal pairs. This is half the pitch of standard 2.54 mm connectors, enabling twice the signal density per unit board length, which is critical for space-constrained aerospace and defense electronics designs requiring high pin counts in minimal PCB area.
Why are gold-plated contacts specified in the SFM-129-02-S-D-A-P-TR for high-reliability designs?
Gold plating on the contacts of the SFM-129-02-S-D-A-P-TR provides extremely low contact resistance, immunity to oxidation, and long service life under repeated mating cycles. For high-reliability applications in aerospace and defense, gold contacts maintain consistent electrical performance over the connector's rated operating temperature of 105°C, and resist corrosion in humid or chemically active environments where tin-plated contacts may degrade over time.
How does the dual-row SMT configuration of SFM-129-02-S-D-A-P-TR benefit board-level integration?
The dual-row 1.27 mm pitch SMT layout of the SFM-129-02-S-D-A-P-TR fits 58 positions into a footprint that occupies less board area than single-row alternatives providing similar pin counts. Surface mount construction eliminates through-hole drilling, reduces PCB layer disruption, and allows reflow soldering alongside other SMT components. This streamlines assembly for mezzanine modules and compact industrial or aerospace boards needing high-density 29 signal-pair socket interfaces.
When is SFM-129-02-S-D-A-P-TR preferred over SFM connectors with fewer positions for module interfaces?
The 58-position SFM-129-02-S-D-A-P-TR is chosen when a module interface requires 29 or more signal pairs at 1.27 mm pitch within a single connector footprint. Designs with fewer than 29 required pairs would use shorter SFM variants to minimize connector length and cost, while designs needing over 58 positions would stack multiple connectors or select longer variants. The gold contacts and high-reliability rating further justify selection for critical aerospace or medical board-to-board connections.
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