STMM-121-02-L-D-SM-K-TR SAMTEC Connector (Other) In Stock
SAMTEC STMM-121-02-L-D-SM-K-TR is a 2.00 mm pitch shrouded dual-row terminal strip with cable mate capability in a low-profile SMT configuration with tape and reel packaging. The keyed shrouded housing ensures correct cable assembly orientation and prevents mis-mating. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 42
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STMM-121-02-L-D-SM-K-TR?
- 2.00 mm pitch low-profile SMT shrouded dual-row housing with polarized keying for reliable cable-to-board mating
- Cable mate compatibility supporting discrete wire and pre-terminated cable assembly connections for flexible system wiring
- Tape and reel packaging enabling automated pick-and-place SMT assembly for high-volume production manufacturing
What is STMM-121-02-L-D-SM-K-TR used for?
The STMM-121-02-L-D-SM-K-TR is well-suited for industrial automation wiring harnesses, medical device interconnects, and embedded computing cable assemblies where 2.00 mm pitch shrouded connectors must withstand repeated mating cycles. The low-profile SMT design integrates easily into compact board-level designs with automated assembly processes. Tape and reel delivery supports high-volume production for consumer electronics and telecommunications equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the STMM-121-02-L-D-SM-K-TR datasheet?
STMM-121-02-L-D-SM-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for STMM-121-02-L-D-SM-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What pitch and mounting style does the SAMTEC STMM-121-02-L-D-SM-K-TR use for PCB integration?
The STMM-121-02-L-D-SM-K-TR uses 2.00 mm pitch SMT mounting in a low-profile dual-row shrouded configuration. The SM suffix indicates surface mount termination, and the TR suffix confirms tape and reel packaging for automated placement. This combination suits reflow-soldered production runs where low-profile height and consistent placement accuracy are required alongside cable mate connectivity.
How does the keyed shrouded housing of STMM-121-02-L-D-SM-K-TR improve cable assembly reliability?
The shrouded housing with polarized keying prevents incorrect 180-degree mating orientation, eliminating reversed polarity connection errors in field-wired cable assemblies. The shroud mechanically protects the dual-row contacts from damage during cable mate insertion and removal cycles, and the keying feature is critical for assemblies carrying mixed signal and power connections where mis-mating could damage connected electronics.
When should engineers select STMM-121-02-L-D-SM-K-TR rather than a through-hole variant of the same shrouded connector?
Engineers should select the SMT variant when board thickness is limited, when wave soldering is not available, or when the PCB design uses SMT-only assembly for cost reduction. The SMT footprint eliminates through-hole drilling costs and enables double-sided board population. At 2.00 mm pitch with dual-row layout, the STMM SMT variant occupies the same 2.00 mm grid as its through-hole counterpart but with lower profile mounting.
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About SAMTEC
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