SFM-120-02-L-D-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC SFM-120-02-L-D-A-K-TR is a 40-position dual-row surface mount socket strip with 0.050" pitch, featuring Tiger Eye contacts with 10µ" gold plating over nickel and a positioning pin for accurate PCB placement. Body dimensions are 1.125" × 0.185" with 3-week lead time available from authorized distributors. Supplied in tape-and-reel for automated SMT production with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- SFM-120-02-L-D-A-K-TR 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
- 40-position dual-row socket at 0.050" (1.27 mm) pitch with body length of 1.125 inch for compact high-density board interconnects
- Tiger Eye beryllium copper contacts with 10 µin gold over nickel plating delivering reliable low-resistance mating in demanding environments
- Positioning pin board mounting option ensures precise PCB alignment during automated SMT reflow assembly
Applications
SFM-120-02-L-D-A-K-TR serves high-density mezzanine card and daughter-board interconnects in networking switches, FPGA evaluation platforms, and embedded computing modules where 40 signals must traverse boards at 0.050" pitch. Its positioning pin enables accurate component placement during automated SMT assembly, reducing board-level defects in high-volume production. The tape-and-reel packaging makes it suitable for pick-and-place lines in industrial, telecom, and consumer electronics manufacturing.
Specifications
| Factory Lead Time | 3 Weeks, 5 Days |
| YTEOL | 9.4 |
| Additional Feature | TIGER EYE CONTACT |
| Board Mounting Option | POSITIONING PIN |
| Body Breadth | 0.145inch |
| Body Depth | 0.185inch |
| Body Length | 1.125inch |
| Body/Shell Style | SOCKET |
| Connector Type | BOARD CONNECTOR |
| Contact Finish Mating | GOLD (10) |
| Contact Finish Termination | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | FEMALE |
| Contact Material | BERYLLIUM COPPER |
| Contact Pattern | RECTANGULAR |
| Contact Resistance | 15mΩ |
| 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 Style | STRAIGHT |
| Mounting Type | BOARD |
| Number Of Connectors | ONE |
| Number Of PCB Rows | 2 |
| Number of Rows Loaded | 2 |
| Option | GENERAL PURPOSE |
| PCB Contact Pattern | RECTANGULAR |
| PCB Contact Row Spacing | 2.7432mm |
| Plating Thickness | 10u inch |
| Polarization Key | POLARIZED HOUSING |
| Reference Standard | UL |
| Terminal Pitch | 1.27mm |
| Termination Type | SURFACE MOUNT |
| Total Number of Contacts | 40 |
| Withdrawl Force-Min | .556N |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8536.69.40.40 |
| Country of Origin | USA, Vietnam |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What are the physical dimensions of SFM-120-02-L-D-A-K-TR and how does the positioning pin aid assembly?
SFM-120-02-L-D-A-K-TR has a body length of 1.125 inches, breadth of 0.145 inch, and depth of 0.185 inch. The positioning pin (board mounting option) locks into a PCB locating hole during SMT placement, preventing lateral shifts across the 40-pin dual-row footprint during reflow, which reduces solder bridging and misalignment defects in automated assembly.
How does the 10 µin gold contact finish on SFM-120-02-L-D-A-K-TR compare to higher gold plating options?
The 10 µin gold over nickel finish on SFM-120-02-L-D-A-K-TR provides adequate corrosion resistance and low contact resistance for most commercial and industrial applications at a lower material cost than 30 µin options. For applications requiring more than 100 mating cycles or operation in corrosive environments, the 30 µin gold variant may be preferable, but the 10 µin finish handles typical 0.050" pitch 40-position socket use cases reliably.
Which high-speed or FPGA-based designs benefit from SFM-120-02-L-D-A-K-TR at 0.050" pitch?
SFM-120-02-L-D-A-K-TR suits FPGA daughter cards, PCIe riser interfaces, and DDR memory expansion modules where 40 signals at high data rates must route between boards with minimal added impedance. The 0.050" pitch reduces the connector footprint by roughly 50% versus 0.100" alternatives, allowing more routing channels around the connector area on dense high-speed PCBs.
Is SFM-120-02-L-D-A-K-TR supplied in tape-and-reel, and what is the typical factory lead time?
Yes, the TR suffix confirms SFM-120-02-L-D-A-K-TR comes in tape-and-reel packaging, feeding directly into automated pick-and-place machines for the 40-pin SMT footprint. The factory lead time is approximately 3 weeks and 5 days from the manufacturer, so engineers planning production runs should factor this into procurement schedules when ordering quantities for new board builds.
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