TFM-139-12-SM-D SAMTEC Connector (Other) In Stock
TFM-139-12-SM-D is a Samtec Tiger Eye dual-row SMT terminal strip with 0.050-inch pitch. It features 78 total contacts in a 2×39 configuration for high-density board interconnects. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 78
- Lifecycle
- ACTIVE
- Datasheet
- TFM-139-12-SM-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFM-139-12-SM-D?
- 0.050-inch (1.27 mm) pitch dual-row surface mount terminal strip with 78 total contacts in a 2×39 layout
- Tiger Eye contact system delivers reliable low-insertion-force mating and consistent electrical performance across all 78 positions
- SMT footprint enables automated reflow assembly and high-density PCB routing in space-constrained designs
What is TFM-139-12-SM-D used for?
The TFM-139-12-SM-D is well suited for high-density board-to-board and mezzanine interconnect applications in test and measurement equipment, telecom line cards, and server backplanes where compact PCB real estate is critical. Its 0.050-inch pitch dual-row SMT layout integrates seamlessly into automated assembly workflows, reducing manufacturing cost and improving throughput. Engineers choose this connector when 78 reliable connections are needed within a minimal footprint on densely populated circuit boards.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFM-139-12-SM-D datasheet?
TFM-139-12-SM-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFM-139-12-SM-D?
Compatible alternatives and drop-in replacements for TFM-139-12-SM-D:
Board Stacking Connector, 78 Contact(s), 2 Row(s), Male, Straight, 0.05 inch Pitch, Surface Mount Terminal, Guide Slot, Black Insulator
Frequently Asked Questions
Does TFM-139-12-SM-D match a layout already built around 1.27 mm contact spacing?
TFM-139-12-SM-D uses 1.27 mm contact spacing, so the PCB land pattern and mating component must preserve that pitch across every position during layout verification.
What makes this high-reliability terminal strip appropriate for repeatable production board mating?
This high-reliability terminal strip uses a 1.27 mm interface suited to compact board interconnects; engineers should also confirm stack height, termination, polarization, and rated mating cycles.
Before substituting TFM-139-12-SM-D, which mechanical details need supplier confirmation?
Procurement should match the exact 1.27 mm pitch, row arrangement, termination style, polarization, contact finish, and packaging code against the released manufacturer drawing.
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