SFM-145-02-S-D-A SAMTEC Connector (Other) In Stock
SAMTEC SFM-145-02-S-D-A is a 90-position dual-row high-reliability socket strip with 1.27 mm (0.050 inch) pitch and TIGER EYE beryllium copper contacts plated 30 µin gold. It provides secure surface mount mating for dense PCB-to-module interconnects. From $4.20 in stock worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 90
- Lifecycle
- ACTIVE
- Datasheet
- SFM-145-02-S-D-A Datasheet PDF
- Category
- Connector
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- TIGER EYE beryllium copper contacts with 30 µin gold plating for high-cycle reliability and low contact resistance
- 90 positions at 1.27 mm (0.050 inch) pitch for ultra-high-density surface mount socket connections
- Female socket design with square-pin reception ensuring positive alignment and retention across mating cycles
Applications
SFM-145-02-S-D-A is suited for high-density mezzanine board connections, FPGA daughter-card sockets, and test-fixture interfaces where 90 reliable contacts are required in a compact 1.27 mm pitch footprint. Its TIGER EYE contacts and 30 µin gold finish support frequent mating cycles in test and measurement systems. The connector also serves military and industrial electronics demanding beryllium copper spring contacts for consistent signal integrity.
Specifications
| YTEOL | 9.4 |
| Additional Feature | TIGER EYE CONTACT |
| Body/Shell Style | SOCKET |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | GOLD (30) |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | FEMALE |
| Contact Material | BERYLLIUM COPPER |
| Contact Pattern | RECTANGULAR |
| Contact Style | SQ PIN-SKT |
| DIN Conformance | NO |
| Filter Feature | NO |
| IEC Conformance | NO |
| Insertion Force-Max | .695N |
| Insulator Color | BLACK |
| Insulator Material | LIQUID CRYSTAL POLYMER |
| JESD-609 Code | e3 |
| MIL Conformance | NO |
| Mating Contact Pitch | 0.05inch |
| Mating Contact Row Spacing | 0.05inch |
| Mixed Contacts | NO |
| Mounting Option 1 | LOCKING |
| Mounting Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number of Rows Loaded | 2 |
| Option | GENERAL PURPOSE |
| Plating Thickness | 30u inch |
| Reference Standard | UL |
| Terminal Pitch | 1.27mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 90 |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | Malaysia, Vietnam |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the TIGER EYE contact design in SFM-145-02-S-D-A improve reliability over standard socket contacts?
TIGER EYE contacts use a two-point wiping contact geometry machined from beryllium copper, providing dual redundant contact points per pin. This reduces the probability of intermittent connections and achieves a contact resistance typically under 20 mΩ. Combined with 30 µin gold plating on mating surfaces, the design maintains reliable performance across hundreds of mating cycles in demanding industrial and military environments.
What mating pin dimensions are compatible with the SFM-145-02-S-D-A socket strip?
SFM-145-02-S-D-A is designed to accept square pins on a 1.27 mm (0.050 inch) pitch. SAMTEC TSM and TFM series headers with the matching 1.27 mm pitch and standard square-post contacts are typical mating partners. Pin cross-section compatibility is specified in SAMTEC's SFM mating guide, ensuring reliable 90-position engagement across the full dual-row footprint.
For a compact FPGA module socket requiring 90 positions and 1.27 mm pitch, how does SFM-145-02-S-D-A compare to a 2.54 mm pitch alternative?
At 1.27 mm pitch, SFM-145-02-S-D-A occupies roughly half the PCB footprint length of a 2.54 mm pitch 90-position connector, saving approximately 57 mm of board space along one axis. For an FPGA module with 90 I/O pins that must fit within a 50 mm board width, the 0.050 inch pitch socket is often the only viable solution without splitting into multiple connectors.
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