TFM-149-12-L-D-A-P-TR SAMTEC Connector (Other) In Stock
Samtec TFM Tiger Eye high-reliability terminal strip with 0.050 inch pitch, 49 positions per row and 2 rows, providing 98 total contacts. Low-profile SMT design with dual-row layout for high-density board-to-board connections in space-constrained applications. Available on tape-and-reel for automated high-volume assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 98
- Lifecycle
- ACTIVE
- Datasheet
- TFM-149-12-L-D-A-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 0.050 inch (1.27 mm) pitch dual-row SMT terminal strip with 98 total contacts for ultra-high-density board interconnects
- Tiger Eye contact design provides enhanced normal force and vibration resistance for high-reliability applications in harsh environments
- Low-profile horizontal orientation minimizes stack height between mated boards, enabling tight PCB-to-PCB clearances below 5 mm
- Tape-and-reel packaging compatible with automated pick-and-place assembly for cost-effective high-volume production
Applications
The TFM-149-12-L-D-A-P-TR is designed for high-density board-to-board connections in aerospace, defense, and industrial applications where 0.050 inch pitch allows far more contacts per unit length than standard 0.100 inch connectors. Its Tiger Eye contact geometry delivers consistent electrical performance under mechanical shock and vibration environments that would cause intermittent contact in conventional socket strips. High-volume embedded computing modules, FPGA mezzanine cards, and ruggedized sensor platforms routinely use this series when 98 signals must cross between boards within a footprint of just a few square centimeters.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 0.050 inch pitch of TFM-149-12-L-D-A-P-TR compare to standard 0.100 inch connectors for high-density designs?
At 0.050 inch (1.27 mm) pitch, TFM-149-12-L-D-A-P-TR packs twice as many contacts per linear inch as a standard 0.100 inch connector. For a 49-position, 2-row strip, this means 98 signals are routed through a connector body roughly 62 mm long, whereas an equivalent 0.100 inch product would need approximately 124 mm, a critical difference in compact FPGA module and compute card designs.
What makes the Tiger Eye contact design of TFM-149-12-L-D-A-P-TR suitable for high-reliability or harsh-environment applications?
The Tiger Eye contact uses a dual-beam wiping geometry that maintains higher normal contact force than a single-beam design, improving resistance to vibration-induced intermittency. Samtec rates this contact style for applications subject to shock and vibration profiles common in aerospace and industrial environments, where connectors must sustain reliable electrical continuity across thousands of mating cycles and temperature excursions from -55 °C to +125 °C.
For a board-to-board stack using TFM-149-12-L-D-A-P-TR, what PCB layout considerations apply at 0.050 inch pitch?
At 1.27 mm pitch with 2 rows, the via anti-pad and trace routing between contacts requires HDI PCB design rules, typically using 0.2 mm vias and 0.1 mm trace widths. Signal integrity simulations should account for the shorter stub lengths available at this pitch, while the 98-contact dual-row footprint demands controlled impedance routing for any high-speed differential pairs running at data rates above 1 Gbps.
When does TFM-149-12-L-D-A-P-TR become a preferred alternative to FMC or other mezzanine standards?
TFM-149-12-L-D-A-P-TR is preferred when a custom 98-pin interface at 0.050 inch pitch is more cost-effective than adopting a standardized mezzanine format such as FMC (VITA 57.1). Custom terminal strip interfaces avoid license and compliance overhead, and the compact 1.27 mm pitch allows the connector to fit within PCB areas as small as 62 mm × 3 mm, enabling proprietary module form factors where standard mezzanine footprints would be too large.
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