TFM-138-12-L-D-A-P-TR SAMTEC Connector (Other) In Stock
The SAMTEC TFM-138-12-L-D-A-P-TR is a high-reliability Tiger Eye terminal strip connector with 0.050 inch pitch and 76 dual-row contacts. It features a low-profile -L stack height and is supplied on tape-and-reel for automated SMT assembly. Available from stock worldwide with fast shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 76
- Lifecycle
- ACTIVE
- Datasheet
- TFM-138-12-L-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 TFM-138-12-L-D-A-P-TR?
- High-reliability Tiger Eye dual-beam contact technology at 0.050 inch pitch for secure low-resistance mating in demanding applications
- 76 total dual-row contacts (-D) in a compact low-profile -L stack height for space-constrained board-to-board interconnects
- Tape-and-reel (-TR) and -A-P options enabling automated placement and polarized assembly error prevention
What is TFM-138-12-L-D-A-P-TR used for?
The TFM-138-12-L-D-A-P-TR is designed for high-density board-to-board interconnects in aerospace, defense, and industrial computing platforms where reliable performance across extreme temperature ranges is required. Its 76-contact dual-row layout at 0.050 inch pitch supports dense signal routing in FPGA mezzanine cards, backplane daughtercard assemblies, and ruggedized embedded computing modules. The Tiger Eye contact system ensures consistent mating performance over thousands of cycles in high-vibration environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFM-138-12-L-D-A-P-TR datasheet?
TFM-138-12-L-D-A-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFM-138-12-L-D-A-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many contacts does the TFM-138-12-L-D-A-P-TR support and at what pitch?
The TFM-138-12-L-D-A-P-TR supports 76 total contacts in a dual-row configuration at 0.050 inch (1.27 mm) pitch. This high-density layout enables a large number of simultaneous signal connections in a compact footprint, making it well-suited for FPGA daughtercards, mezzanine modules, and other applications requiring dense board-to-board interconnects in space-constrained designs.
What does the Tiger Eye contact technology in the TFM-138-12-L-D-A-P-TR contribute to connector reliability?
SAMTEC's Tiger Eye contact uses a dual-beam tuning-fork design that maintains consistent normal force across mating cycles, delivering contact resistance typically below 20 mΩ even after repeated insertions. This exceeds the reliability of single-beam contacts in vibration-intensive applications such as aerospace avionics and industrial robotics operating across -55°C to +125°C temperature ranges, where contact fretting and intermittent opens are critical failure modes.
When should the TFM-138-12-L-D-A-P-TR be chosen over a standard through-hole terminal strip?
The TFM-138-12-L-D-A-P-TR is preferable over through-hole terminal strips when automated SMT assembly is required, as its tape-and-reel (-TR) packaging and surface-mount-compatible footprint allow placement by pick-and-place machines. At 76 contacts and 0.050 inch pitch, manual through-hole insertion is error-prone and slow, while the tape-and-reel SMT version supports high-volume production with precise placement accuracy and reflow soldering in a single pass.
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