SFM-139-T2-SM-D-LC SAMTEC Connector (Other) In Stock
SFM-139-T2-SM-D-LC is a SAMTEC dual-row high-reliability socket strip for board-to-board interconnects and mezzanine modules. It provides 78 pins with a 0.050 inch pitch for surface-mount layouts. From quote pricing with global sourcing support and worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 78
- Lifecycle
- ACTIVE
- Datasheet
- SFM-139-T2-SM-D-LC Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SFM-139-T2-SM-D-LC?
- 78-pin dual-row high-reliability socket strip for dense board-level interconnect design
- 0.050 inch pitch supports compact routing and controlled connector spacing
- Surface-mount configuration supports automated SMT assembly and repeatable placement
- SAMTEC ordering code preserves series, contact, tail, plating, and packaging options
What is SFM-139-T2-SM-D-LC used for?
SFM-139-T2-SM-D-LC is used in board-to-board interconnects, mezzanine modules, industrial controls, instrumentation cards, and embedded computing assemblies where dependable 78-pin interconnect density is required. It fits production and maintenance builds that need a dual-row high-reliability socket strip with 0.050 inch pitch, clear supplier traceability, and surface-mount assembly compatibility.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SFM-139-T2-SM-D-LC datasheet?
SFM-139-T2-SM-D-LC Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SFM-139-T2-SM-D-LC?
Compatible alternatives and drop-in replacements for SFM-139-T2-SM-D-LC:
Board Connector, 78 Contact(s), 2 Row(s), Female, Straight, 0.05 inch Pitch, Surface Mount Terminal, Black Insulator, Socket
Board Connector, 78 Contact(s), 2 Row(s), Female, Straight, 0.05 inch Pitch, Surface Mount Terminal, Black Insulator, Socket
Board Connector, 78 Contact(s), 2 Row(s), Female, Straight, Surface Mount Terminal, Socket
Board Connector, 78 Contact(s), 2 Row(s), Female, Straight, Surface Mount Terminal, Socket
Frequently Asked Questions
Can SFM-139-T2-SM-D-LC fit production designs that need 78 pins characteristics?
Yes. SFM-139-T2-SM-D-LC provides 78 pins in a dual-row high-reliability socket strip, making it suitable for board-to-board interconnects and mezzanine modules when the PCB footprint and supplier documentation match the build.
How should purchasing teams quote this SAMTEC part without substituting nearby variants?
Use the full SFM-139-T2-SM-D-LC ordering code and verify 78 pins with the supplier, so package, date code, compliance status, and lead time match the BOM requirement.
Which assembly or inspection checks matter before approving SFM-139-T2-SM-D-LC?
Confirm the Surface Mount footprint, mating or electrical constraints, and 78 pins rating before release, especially when replacing a nearby series variant or alternate manufacturer part.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About SAMTEC
SAMTEC is a leading electronic component manufacturer. FindMyChip sources SAMTEC ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
10214-6212PC
3M
Connector
1778573
Phoenix Contact
Connector
5227222-3
TE Connectivity
Connector
S4B-XH-SM4-TB(LF)(SN)
JST (JAPAN SOLDERLESS TERMINALS)
Connector
185226-2
TE Connectivity
Connector
0533980571
Molex
Connector
0360-0-15-01-34-27-10-0
Mill-Max
Connector
7850-0006PR
3M
Connector
AVB 1,5/2/12
BLOCK
Connector
N3764-5002RB
3M
Connector
N3627-6002RB
3M
Connector
N3627-5002RB
3M
Connector
N3440-6002RB
3M
Connector
929715-03-36-I
3M
Connector
929667-02-36-I
3M
Connector
929665-04-36-I
3M
Connector
929665-02-36-I
3M
Connector
929647-04-36-I
3M
Connector
929647-03-36-I
3M
Connector
7834-0006PR
3M
Connector
7826-0006PR
3M
Connector
7820-0006PR
3M
Connector
3440-5002
3M
Connector
3433-5302
3M
Connector