TSM-127-02-LM-DH-A-P-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-127-02-LM-DH-A-P-TR is a 54-position, dual-row, 0.100" (2.54 mm) pitch surface mount terminal strip with an LM lead style, providing compact and reliable PCB board-to-board and module signal interconnects for industrial and embedded computing applications.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 54
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 54 positions in a dual-row 0.100" (2.54 mm) pitch layout for high-density mid-range signal routing
- LM (low-profile male) lead style provides a compact solder joint profile suited for height-constrained designs
- Surface mount termination compatible with standard SMT reflow assembly lines
- Tape-and-reel (TR) packaging enables automated pick-and-place manufacturing at high volume
- Gold-plated dual-row contacts maintain low contact resistance over many mating cycles
Applications
TSM-127-02-LM-DH-A-P-TR is suited for board-to-board and module-to-motherboard interconnections in embedded computing, industrial process control, and communications equipment. The 54-position dual-row layout and low-profile LM lead style make it particularly effective for height-constrained PCB stacking designs where signal density and compact form factor are both priorities.
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 many signal contacts does TSM-127-02-LM-DH-A-P-TR provide, and how does dual-row placement benefit space-constrained designs?
TSM-127-02-LM-DH-A-P-TR provides 54 signal contacts in a dual-row layout at 0.100" (2.54 mm) pitch, with 27 contacts per row. The dual-row arrangement reduces the connector's board length to approximately 2.7 inches, roughly half the PCB length that a single-row 54-pin strip would require at the same pitch.
What does the LM lead style mean for PCB stacking height when using TSM-127-02-LM-DH-A-P-TR?
The LM (low-profile male) lead style on TSM-127-02-LM-DH-A-P-TR refers to a reduced-height contact design that minimizes the vertical clearance required above the PCB surface. This allows designers to reduce the stack height in board-to-board assemblies, saving several millimeters of vertical space compared to standard-profile lead styles on similar 54-pin connectors.
Can TSM-127-02-LM-DH-A-P-TR be reliably used in industrial automation equipment subject to mechanical vibration?
Yes. SAMTEC TSM series connectors are rated for operating temperatures from -55°C to 125°C, and their SMT termination provides solder joints mechanically anchored to the PCB across all 54 positions. In vibration-intensive industrial environments, designers may add adhesive underfill or conformal coating to further secure the connector and maintain signal integrity.
How should procurement teams evaluate lifecycle risk when designing TSM-127-02-LM-DH-A-P-TR into a long-lifecycle industrial product?
Procurement teams should confirm the active lifecycle status of TSM-127-02-LM-DH-A-P-TR with SAMTEC-authorized distributors and review SAMTEC product change notifications. For products with 10-year or longer production commitments, building a safety stock of 6 to 12 months of connector supply and identifying a qualified alternate source at 0.100" pitch can reduce the risk of last-time-buy situations.
Related Guides
ECMF02-4CMX8 Common-Mode Filter with ESD Protection: Selection Guide
Compare ECMF02-4CMX8 vs ECMF02-2AMX6, ECMF04-4HSM10, and other ST ECMF filters. Choose the right 4-channel common-mode filter with ESD protection for USB 2.0.
Jun 20, 2026
AD5204 Quad Digital Potentiometer Selection Guide (2026)
How to choose the right AD5204 quad digital potentiometer: compare 10kΩ vs 100kΩ variants, TSSOP vs SOIC packages, and SPI interface options for your design.
Jun 20, 2026
0402 10uF X5R Decoupling Design Guide for Compact Digital Rails
Application note for using CL05A106MP5NUNC-class 0402 10uF X5R MLCCs in compact digital rail decoupling designs.
Jun 19, 2026
How to Choose an 0805 10uF MLCC for Decoupling and Bulk Capacitance
Selection guide for choosing 0805 10uF MLCCs around CL21A106KOQNNNE, covering derating, dielectric, package, and sourcing checks.
Jun 19, 2026
Why Buy from FindMyChip
About SAMTEC
SAMTEC is a leading electronic component manufacturer. FindMyChip sources SAMTEC ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”