TSM-119-01-FM-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-119-01-FM-DH-A-K-TR is a 38-position dual-row surface mount terminal strip at 2.54 mm pitch with gold-plated contacts and tape-and-reel packaging, ideal for dense SMT board-to-board signal interconnects.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 38
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-119-01-FM-DH-A-K-TR?
- 38-position dual-row layout at 2.54 mm pitch supports up to 19 differential pairs in a single SMT connector
- FM solder tail option provides a footprint optimized for surface mount reflow soldering without through-hole vias
- Gold-plated (K) contacts deliver contact resistance below 20 milliohms for reliable signal integrity
- Tape-and-reel (TR) packaging enables high-speed automated pick-and-place placement in SMT production
What is TSM-119-01-FM-DH-A-K-TR used for?
The TSM-119-01-FM-DH-A-K-TR is used in mid-to-high pin count surface mount interconnect applications such as FPGA evaluation boards, multi-channel ADC/DAC modules, and embedded processor daughterboards needing 38 reliable signal contacts. Its dual-row 2.54 mm pitch footprint accommodates 19 differential pairs or 38 single-ended lines and integrates seamlessly into standard 0.1-inch grid PCB layouts. The tape-and-reel packaging supports automated assembly in industrial and telecommunications electronics manufacturing.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-119-01-FM-DH-A-K-TR datasheet?
TSM-119-01-FM-DH-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-119-01-FM-DH-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many differential pairs can the TSM-119-01-FM-DH-A-K-TR accommodate in a single connector?
With 38 total positions in a dual-row configuration at 2.54 mm pitch, the TSM-119-01-FM-DH-A-K-TR can accommodate up to 19 differential pairs or 38 single-ended signal lines, making it efficient for LVDS or CMOS bus interconnects on compact PCBs.
What does the FM solder tail designation mean on the TSM-119-01-FM-DH-A-K-TR?
The FM solder tail style designates a specific contact leg geometry optimized for surface mount PCB land patterns, allowing co-planar soldering in reflow ovens without through-hole PCB vias. This reduces PCB layer count requirements and supports component placement on both board sides.
When is the TSM-119-01-FM-DH-A-K-TR preferred over a 40-pin variant for board design?
Designers choose the 38-pin variant when the signal bus width is exactly 38 or when routing constraints prevent extending to 40 pins, saving approximately 1.27 mm of board length per removed column while retaining the full 2.54 mm pitch standard compatible with common mating connectors.
What is the expected contact resistance of the gold-plated contacts on TSM-119-01-FM-DH-A-K-TR?
SAMTEC gold-plated contacts (K option) on the TSM series typically achieve contact resistance below 20 milliohms per contact, ensuring minimal voltage drop across the connector even at signal currents up to several hundred milliamps, which is critical for digital bus integrity at frequencies up to several hundred MHz.
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