TFM-144-11-STL-D SAMTEC Connector (Other) In Stock
SAMTEC TFM-144-11-STL-D is a high-reliability 88-position dual-row Tiger Eye terminal strip with 0.050-inch (1.27 mm) pitch and surface-mount termination, providing a compact STL (solderable tail length) dual-row interface for high-density mezzanine board-to-board stacking. Available from stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 88
- Lifecycle
- ACTIVE
- Datasheet
- TFM-144-11-STL-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFM-144-11-STL-D?
- 88-position dual-row Tiger Eye terminal strip on 0.050-inch (1.27 mm) pitch, enabling high-density board-to-board stacking with reliable dual-beam contact wiping action
- STL (solderable tail length) variant provides a precisely controlled solder tail depth for consistent solder fillet formation in SMT reflow processes
- Tiger Eye contact geometry delivers consistent normal force across all 88 positions for low and stable contact resistance through hundreds of mating cycles
- Dual-row (D) configuration doubles pin density versus single-row strips in the same board length, maximizing signal count per unit PCB edge
What is TFM-144-11-STL-D used for?
The TFM-144-11-STL-D is designed for high-density mezzanine and daughter-card interconnects in FPGA development boards, network line cards, and test-and-measurement instruments that demand reliable signal integrity across 88 dual-row positions at 0.050-inch pitch. Its Tiger Eye contact system maintains stable impedance through repeated board swap-out cycles, making it suitable for hardware-in-the-loop test fixtures and modular embedded computing platforms. The STL solder tail ensures predictable solder joint geometry for automated optical inspection (AOI) in production SMT assembly lines.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFM-144-11-STL-D datasheet?
TFM-144-11-STL-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFM-144-11-STL-D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many positions does the TFM-144-11-STL-D provide, and how does dual-row layout benefit high-density FPGA mezzanine designs?
The TFM-144-11-STL-D has 88 positions in a dual-row arrangement on 0.050-inch (1.27 mm) pitch, effectively doubling the signal count per board-edge length compared to single-row strips and allowing FPGA daughter cards to carry 88 simultaneous signal or power connections within a compact mezzanine footprint.
What does the STL (solderable tail length) designation mean for solder joint quality on the TFM-144-11-STL-D?
STL specifies a controlled solder tail protrusion that ensures each of the 88 contacts forms a consistent solder fillet during SMT reflow at peak temperatures up to 260°C, producing joints with uniform heel and toe fillets that pass IPC-A-610 Class 2 or Class 3 visual inspection criteria on automated AOI systems.
When is the TFM-144-11-STL-D preferable to a 0.100-inch pitch terminal strip for board-stacking interfaces?
Designers choose the 0.050-inch pitch TFM-144-11-STL-D over 0.100-inch alternatives when PCB real estate is constrained and 88 or more signals must cross the mezzanine interface, since the finer 1.27 mm grid achieves the same pin count in roughly half the connector body length compared to a 2.54 mm pitch dual-row strip.
How does the Tiger Eye contact technology in the TFM-144-11-STL-D maintain signal integrity across repeated mating cycles?
Tiger Eye contacts use a dual-cantilever beam that wipes the mating pin surface with a defined normal force on each insertion, removing oxidation and debris from gold-plated contact areas, maintaining contact resistance below 20 mΩ across hundreds of mating cycles in test fixtures or field-replaceable mezzanine module assemblies.
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