TFM-144-21-FM-D SAMTEC Connector (Other) In Stock
SAMTEC TFM-144-21-FM-D is a high-reliability Tiger Eye dual-row terminal strip with 0.050 inch pitch providing 88 positions for surface mount board-to-board signal routing. It features the Tiger Eye contact design for superior mating reliability and long service life. Available from stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 88
- Lifecycle
- ACTIVE
- Datasheet
- TFM-144-21-FM-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Tiger Eye high-reliability contact design delivering superior normal force and extended mating cycle life at 0.050 inch pitch
- 88-position dual-row layout providing high signal density in a compact 0.050 inch pitch SMT footprint
- High-reliability terminal strip construction rated for demanding environments including vibration and repeated mating in aerospace and industrial systems
Applications
The TFM-144-21-FM-D is designed for high-reliability mezzanine and module stacking applications in aerospace, defense, and industrial computing where consistent electrical performance over many mating cycles is critical. Its 88-position dual-row Tiger Eye contact system at 0.050 inch pitch delivers high signal density for FPGA daughter cards, rugged embedded systems, and signal processing boards. The 0.050 inch pitch layout supports compact multi-board assemblies where connector footprint must be minimized.
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
What contact technology does the TFM-144-21-FM-D use and how does it improve reliability?
The TFM-144-21-FM-D uses the SAMTEC Tiger Eye contact design, which provides a higher normal contact force than standard contacts. This improves electrical stability across 88 positions at 0.050 inch pitch in applications subjected to vibration, shock, and repeated mating cycles in industrial and aerospace systems.
How many positions does the TFM-144-21-FM-D provide and how does the pitch compare to standard connectors?
The TFM-144-21-FM-D provides 88 positions in a dual-row layout at 0.050 inch pitch, which is half the spacing of the standard 0.100 inch pitch. This doubles the signal density per unit board length, making it ideal for high-count interface buses in compact mezzanine and module stacking designs.
In which demanding application environments is TFM-144-21-FM-D preferred over standard socket strips?
TFM-144-21-FM-D is preferred in aerospace, defense, and rugged industrial environments where standard connectors may suffer from fretting corrosion or contact resistance degradation. The Tiger Eye high-reliability design maintains consistent contact force across 88 positions at 0.050 inch pitch even under mechanical vibration and thermal cycling.
When should a designer choose TFM-144-21-FM-D over the lower-position SFM series connectors?
Choose TFM-144-21-FM-D when the interface requires 88 or more signal positions at 0.050 inch pitch and the application demands the higher mating reliability of Tiger Eye contacts, as opposed to SFM series variants with 48, 60, or 70 positions that may not provide enough contacts for wide data buses.
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