SMH-128-02-S-S-TR SAMTEC Connector (Other) In Stock
SAMTEC SMH-128-02-S-S-TR is a 28-position single-row horizontal surface-mount socket strip with 0.100 inch (2.54 mm) pitch and solder-cup termination for PCB-edge signal access. The tape-and-reel format enables automated SMT pick-and-place assembly. Available worldwide with fast shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 28
- Lifecycle
- ACTIVE
- Datasheet
- SMH-128-02-S-S-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SMH-128-02-S-S-TR?
- 28-position single-row layout at 0.100 inch (2.54 mm) pitch ensures broad compatibility with standard 2.54 mm male headers, DIP modules, and ribbon cable connectors
- Horizontal surface-mount orientation minimizes board height, enabling low-profile installations in slim enclosures with clearances below 10 mm
- Tape-and-reel (-TR) packaging supports automated pick-and-place and lead-free reflow soldering up to 260°C for high-volume SMT production
What is SMH-128-02-S-S-TR used for?
The SMH-128-02-S-S-TR is designed for board-edge socket applications in industrial control systems, embedded computing cards, and test instrumentation where a 0.100 inch pitch single-row interface provides access to 28 signal lines. Its horizontal SMD orientation suits slim enclosures and stacked board assemblies where vertical connector height is constrained to under 10 mm. The part is also used in laboratory instruments and programmable logic controller I/O modules requiring a cost-effective, widely compatible 2.54 mm pitch connector.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SMH-128-02-S-S-TR datasheet?
SMH-128-02-S-S-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SMH-128-02-S-S-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many contacts and what pitch spacing does the SMH-128-02-S-S-TR feature?
The SMH-128-02-S-S-TR provides 28 contacts in a single-row configuration on a 0.100 inch (2.54 mm) pitch. This standard pitch dimension is widely used across the electronics industry, ensuring compatibility with pin headers, DIP sockets, ribbon cable connectors, and prototyping systems from many manufacturers.
What is the benefit of the horizontal SMD orientation in SMH-128-02-S-S-TR for space-constrained designs?
The horizontal (side-entry) orientation aligns the mating direction parallel to the PCB surface rather than perpendicular to it, reducing the installed height above the board. This design allows the SMH-128-02-S-S-TR to fit within enclosures or PCB stack-up gaps of under 10 mm, compared to vertical socket strips that may require 12 mm or more of clearance above the PCB for a 28-position single-row body.
How does SMH-128-02-S-S-TR differ from SMH-128-02-F-S-TR in termination style?
The SMH-128-02-S-S-TR uses solder-cup (-S) termination, where the contact tail forms a cup that a wire or pin can be inserted into and soldered manually — useful for wire-attach or hand-assembly scenarios. The SMH-128-02-F-S-TR uses a female contact (-F) designed to mate with male pin headers. For automated SMT with PCB pad connections, the -F variant is preferred, while the -S solder-cup style suits mixed SMD and wire-termination configurations in 28-pin signal harnesses.
Can SMH-128-02-S-S-TR handle automated reflow soldering and what peak temperature does it withstand?
Yes, the surface-mount pads and -TR tape-and-reel packaging make the SMH-128-02-S-S-TR compatible with automated SMT assembly lines. SAMTEC SMH series connectors tolerate peak reflow temperatures up to 260°C per IPC/JEDEC J-STD-020, supporting standard SAC305 lead-free solder paste commonly used in commercial and industrial PCB production.
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