TSM-120-02-L-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-120-02-L-DH-A-K-TR is a 40-position, 0.100" pitch surface mount terminal strip with dual-row layout and through-hole soldering compatibility. Supports 2.54 mm row spacing and gold-plated contacts for reliable signal integrity. Available with tape-and-reel packaging for high-volume PCB assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 40
- Lifecycle
- ACTIVE
- Datasheet
- TSM-120-02-L-DH-A-K-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 40-position dual-row surface mount terminal strip with 0.100" (2.54 mm) pitch for dense board layouts
- Gold-plated contact finish ensures low contact resistance and long-term corrosion resistance in harsh environments
- Tape-and-reel packaging (TR suffix) enables automated SMT pick-and-place assembly for high-volume production
Applications
The TSM-120-02-L-DH-A-K-TR is widely used in backplane interconnect systems, daughtercard-to-motherboard interfaces, and modular industrial control boards where high pin-count SMT connections are required. Its 0.100" pitch and dual-row configuration make it ideal for test and measurement equipment, communication modules, and embedded computing platforms that demand reliable, repeatable mating cycles. The tape-and-reel format supports automated assembly lines in consumer electronics and telecom infrastructure applications.
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
What is the pin count and pitch of the TSM-120-02-L-DH-A-K-TR connector?
The TSM-120-02-L-DH-A-K-TR features 40 positions arranged in a dual-row configuration with a 0.100" (2.54 mm) pitch. This standard spacing is compatible with a wide range of mating connectors and PCB footprints used in industrial and commercial electronics designs.
Which PCB assembly processes are supported by the TSM-120-02-L-DH-A-K-TR packaging format?
The TR suffix designates tape-and-reel packaging, enabling automated SMT pick-and-place assembly at high volumes. The component is rated for surface mount soldering, and its 2.54 mm pitch accommodates standard reflow profiles at temperatures up to 260°C per IPC/JEDEC J-STD-020 guidelines.
When would an engineer choose TSM-120-02-L-DH-A-K-TR over a single-row strip in a backplane design?
A dual-row terminal strip like the TSM-120-02-L-DH-A-K-TR is preferred when board real estate is limited and 40 pins must be routed in a compact footprint, cutting connector length roughly in half compared to a single-row 40-pin strip. This is especially beneficial in 19-inch rack equipment and compact embedded modules where PCB width is constrained to under 100 mm.
What contact plating does the TSM-120-02-L-DH-A-K-TR use and why does it matter for signal integrity?
The TSM-120-02-L-DH-A-K-TR uses gold (Au) contact plating, typically 30 µin minimum per SAMTEC's standard finish specification. Gold plating provides contact resistance below 20 mΩ and prevents oxidation, making it suitable for low-level signal applications and repeated mating cycles exceeding 100 insertions.
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