TSM-122-02-LM-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-122-02-LM-DH-A-K-TR is a 44-position dual-row surface-mount terminal strip with 0.100 inch pitch, low-profile dual-height design, keying, and tape-and-reel packaging. Ideal for high-density SMT board interconnects. From $2.50, in stock, worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-122-02-LM-DH-A-K-TR?
- 44-position dual-row configuration at 0.100 inch (2.54 mm) pitch delivering high signal density for complex board-to-board interface applications
- Low-mount (LM) dual-height (DH) design allows board stacking with controlled vertical clearance, accommodating component height constraints in multi-layer assemblies
- Keying (K) and tape-and-reel (TR) options provide anti-mismatement protection and automated SMT assembly compatibility for high-volume production lines
What is TSM-122-02-LM-DH-A-K-TR used for?
The TSM-122-02-LM-DH-A-K-TR is used in embedded processor modules, FPGA development platforms, and industrial I/O expansion boards where a 44-position interface at 0.100 inch pitch provides ample signal and power routing capacity. Its low-mount dual-height profile suits stacked PCB assemblies where minimizing overall chassis height is critical, such as in ruggedized control systems and communications equipment. The keying feature and tape-and-reel packaging further support error-free, high-throughput SMT assembly in production environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-122-02-LM-DH-A-K-TR datasheet?
TSM-122-02-LM-DH-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-122-02-LM-DH-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many positions and contacts does the TSM-122-02-LM-DH-A-K-TR provide for board-to-board interconnects?
The TSM-122-02-LM-DH-A-K-TR provides 44 positions in a dual-row layout at 0.100 inch (2.54 mm) pitch, resulting in a total of 44 individual signal or power contacts. This high contact count makes it suitable for FPGA evaluation boards, DSP modules, and industrial expansion cards requiring simultaneous routing of address, data, control, and power lines in a compact SMT footprint.
What role does the keying (K) option play when mating the TSM-122-02-LM-DH-A-K-TR to its corresponding header?
The keying (K) option adds a physical polarization feature to the 44-position connector body that prevents insertion of the mating header in an incorrect orientation. This is especially important in field-serviceable boards where a technician replacing a module could otherwise force a 44-position connector backwards, reversing power and signal lines and potentially damaging components. Keying ensures error-free assembly during both production and maintenance operations.
When does the low-mount dual-height (LM-DH) profile of the TSM-122-02-LM-DH-A-K-TR provide a design advantage over standard-height connectors?
The LM-DH profile is advantageous when two PCBs must stack with a reduced vertical separation, typically less than 8 mm between board surfaces, while still clearing components mounted on either board. In compact chassis designs such as ruggedized embedded computing enclosures or small-form-factor industrial controllers, reducing stacking height by 2-3 mm compared to standard-height dual-row connectors can allow an additional board layer or accommodate taller capacitors below the connector plane.
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