SMH-121-02-L-S-TR SAMTEC Connector (Other) In Stock
SAMTEC SMH-121-02-L-S-TR is a single-row horizontal surface-mount socket strip with 0.100 inch (2.54 mm) pitch, 21 positions, and low-profile right-angle termination in tape-and-reel packaging for automated PCB assembly. Available globally with competitive pricing and fast delivery.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 21
- Lifecycle
- ACTIVE
- Datasheet
- SMH-121-02-L-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-121-02-L-S-TR?
- 0.100 inch (2.54 mm) pitch single-row socket strip with 21 positions mating standard 2.54 mm pitch pin headers
- Low-profile right-angle (L) horizontal termination keeping the mated connector assembly parallel to the PCB for height-constrained designs
- Surface-mount construction with tape-and-reel (-TR) packaging supporting high-throughput automated SMT pick-and-place assembly
- Reliable gold-plated contacts providing stable low contact resistance across repeated insertion and removal cycles
What is SMH-121-02-L-S-TR used for?
The SMH-121-02-L-S-TR is designed for low-profile horizontal board-to-cable and board-to-board connections in industrial sensor modules, consumer electronics, and embedded development platforms where vertical board clearance is limited. Its 21-position single-row 0.100 inch pitch layout mates directly with standard 2.54 mm pitch pin headers used across development boards and legacy industrial wiring harnesses. Tape-and-reel packaging enables efficient integration into automated SMT production lines for high-volume manufacturing of IoT gateways, PLC modules, and embedded controllers.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SMH-121-02-L-S-TR datasheet?
SMH-121-02-L-S-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for SMH-121-02-L-S-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What distinguishes the low-profile right-angle termination of SMH-121-02-L-S-TR from a vertical socket strip in enclosure-constrained designs?
The low-profile right-angle (L) termination routes the mating pin header entry direction parallel to the PCB surface, reducing the vertical clearance requirement above the board to under 8 mm versus 15 mm or more for a vertical socket. In industrial DIN-rail modules and panel-mount controllers with only 10 mm of interior height above the PCB, this horizontal orientation is the only viable option for a 21-position 2.54 mm pitch interface.
Which standard headers does SMH-121-02-L-S-TR mate with and what systems commonly use this connector?
The SMH-121-02-L-S-TR mates with standard 2.54 mm (0.100 inch) pitch single-row pin headers used across Arduino shields, Raspberry Pi GPIO extensions, STM32 Nucleo development boards, and legacy industrial wiring harnesses with AWG 22 to 28 stranded conductors. Its 21-position count accommodates a 16-bit I/O bus plus clock, enable, power, and ground lines within a single compact horizontal surface-mount socket.
Can SMH-121-02-L-S-TR withstand reflow soldering and how does tape-and-reel packaging support production efficiency?
Yes, the SMH-121-02-L-S-TR surface-mount construction supports lead-free reflow soldering at peak temperatures up to 260°C per IPC J-STD-020 requirements. The -TR tape-and-reel format delivers components in standard 8 mm or 12 mm carrier tape compatible with automated pick-and-place feeders, enabling placement cycle rates exceeding 10,000 components per hour on modern SMT assembly lines and eliminating hand-placement labor costs at production volumes above 500 units.
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About SAMTEC
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