TFM-128-01-LM-D-A-P-TR SAMTEC Connector (Other) In Stock
SAMTEC TFM-128-01-LM-D-A-P-TR is a 28-position dual-row high-reliability Tiger Eye terminal strip with 0.050 inch pitch surface mount low-profile configuration. It features precision tin-over-nickel contacts, 1.27 mm centerline spacing, and tape-and-reel packaging for automated PCB assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 56
- Lifecycle
- ACTIVE
- Datasheet
- TFM-128-01-LM-D-A-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFM-128-01-LM-D-A-P-TR?
- 28-position dual-row layout at 0.050 inch (1.27 mm) pitch provides 56 pins in a compact low-profile SMT footprint for demanding high-density applications
- Tiger Eye contact technology delivers reliable low-resistance connections across extended mating cycles, ideal for high-reliability industrial and communications systems
- Tape-and-reel packaging with low-profile termination style supports automated pick-and-place assembly at high throughput in volume PCB manufacturing
What is TFM-128-01-LM-D-A-P-TR used for?
The TFM-128-01-LM-D-A-P-TR targets high-density board-to-board interconnects in network routers, FPGA daughter cards, and industrial fieldbus modules requiring 56 signals in a compact SMT package. Its low-profile 0.050 inch pitch dual-row design suits multi-layer PCB stacks in embedded computing and data acquisition platforms where board height is tightly constrained. Tape-and-reel delivery ensures seamless integration into automated manufacturing for consumer electronics, telecom infrastructure, and medical device assemblies.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFM-128-01-LM-D-A-P-TR datasheet?
TFM-128-01-LM-D-A-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFM-128-01-LM-D-A-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many total contacts does TFM-128-01-LM-D-A-P-TR provide, and what advantage does the dual-row configuration offer over single-row designs?
The TFM-128-01-LM-D-A-P-TR provides 56 total contacts across 2 rows of 28 positions at 0.050 inch (1.27 mm) pitch. The dual-row arrangement delivers the same pin count as a single-row 56-pin connector but reduces the connector length by approximately 35 mm, enabling denser PCB layouts in FPGA mezzanine boards and multi-signal embedded modules.
For FPGA expansion cards requiring 56 I/O lines, how does TFM-128-01-LM-D-A-P-TR keep the mezzanine footprint manageable?
At 0.050 inch (1.27 mm) pitch with 28 positions per row, the TFM-128-01-LM-D-A-P-TR keeps the mated connector row length under 37 mm for all 56 pins. This compact footprint fits within standard FMC mezzanine card slot allocations, leaving room for decoupling capacitors and signal routing on the daughter card while supporting multi-gigabit signal integrity at board-to-board stack heights of 5 mm or less.
What makes the tape-and-reel packaging of TFM-128-01-LM-D-A-P-TR suitable for high-volume automated assembly?
The tape-and-reel format of TFM-128-01-LM-D-A-P-TR allows standard SMT pick-and-place machines to handle the 56-pin connector at high throughput without manual placement. Reels typically contain hundreds of parts, reducing operator handling and enabling continuous reflow soldering at peak temperatures up to 260°C under SAC305 lead-free profiles, which is critical for cost-efficient production of industrial and telecommunications PCB assemblies.
When is TFM-128-01-LM-D-A-P-TR preferred over the TFM-124 series for multi-board signal routing designs?
TFM-128-01-LM-D-A-P-TR is the better choice when a design requires 56 signals rather than 48, avoiding the need to add a second connector and its associated routing complexity. The additional 8 contacts (4 per row at 0.050 inch pitch) add only about 5 mm to the connector body length compared to TFM-124, making it a straightforward upgrade path for designs that outgrow 48-pin capacity without significant PCB layout changes.
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