TFC-127-02-FM-D-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TFC-127-02-FM-D-A-K-TR is a 54-position dual-row Tiger Eye terminal strip with 1.27 mm (0.050 inch) pitch in surface-mount format. It features a floating mount design with top-entry contacts and is packaged in tape-and-reel form for automated assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 54
- Lifecycle
- ACTIVE
- Datasheet
- TFC-127-02-FM-D-A-K-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFC-127-02-FM-D-A-K-TR?
- 54-position dual-row terminal strip on ultra-fine 1.27 mm (0.050 inch) pitch for high-density SMT board connections
- Tiger Eye contact technology delivers low insertion force with reliable wiping action across the full 54 positions
- Floating mount (-FM) design compensates for PCB-to-PCB alignment tolerances of up to ±0.5 mm to ease mating
What is TFC-127-02-FM-D-A-K-TR used for?
The TFC-127-02-FM-D-A-K-TR is designed for high-density board-to-board interconnect applications in communications equipment, data acquisition systems, and compact computing modules where 1.27 mm pitch maximises signal count within a small footprint. The floating mount feature is especially valuable in chassis-mounted card arrangements where mechanical stack tolerances would otherwise cause connector damage during mating. Its tape-and-reel packaging supports high-throughput SMT manufacturing lines with no manual loading required.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFC-127-02-FM-D-A-K-TR datasheet?
TFC-127-02-FM-D-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFC-127-02-FM-D-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the 1.27 mm pitch of the TFC-127-02-FM-D-A-K-TR compare to standard 2.54 mm pitch connectors in terms of board space savings?
At 1.27 mm (0.050 inch) pitch, the TFC-127-02-FM-D-A-K-TR occupies roughly half the linear board space of a comparable 2.54 mm pitch connector for the same 54-position count. In dense multilayer PCB designs, this can free up significant board area for additional circuitry or reduce PCB size by approximately 30-40%.
What is the purpose of the floating mount (-FM) feature in the TFC-127-02-FM-D-A-K-TR, and which system types benefit most?
The floating mount allows the connector body to shift laterally by up to ±0.5 mm relative to the PCB footprint during mating, accommodating PCB-to-PCB alignment variations in backplane or chassis assemblies. This is critical in telecom line cards and storage blade servers where multiple connectors must mate simultaneously without imposing damaging side-load forces on the solder joints.
Can the TFC-127-02-FM-D-A-K-TR handle high-speed differential signal pairs, and what data rates are practical?
SAMTEC Tiger Eye TFC-series connectors are characterized for high-speed signal transmission; the 1.27 mm pitch version supports differential data rates of several Gbps per pair, with signal integrity measurements available in SAMTEC's S-parameter library. For applications running 1 Gbps Ethernet or PCIe Gen 1 (2.5 Gbps), this connector family provides adequate bandwidth with controlled impedance near 50 ohms.
What packaging format does the TFC-127-02-FM-D-A-K-TR ship in, and how does that affect procurement for large production runs?
The -TR suffix specifies tape-and-reel packaging, meaning connectors are carrier-taped on standard reels ready for pick-and-place machines without any manual de-taping. A single reel typically holds 250 to 500 pieces, enabling uninterrupted SMT production batches and reducing per-unit handling cost compared to tray-packed alternatives.
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