STMM-123-02-FM-D-SM SAMTEC Connector (Other) In Stock
SAMTEC STMM-123-02-FM-D-SM is a 46-position dual-row 2.00 mm pitch shrouded terminal strip designed as a cable-mate connector for surface mount assembly. The shrouded housing guides mating cable assemblies for reliable polarized connections in space-constrained applications. Suitable for internal cable interconnects in industrial and embedded computing systems.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 46
- Lifecycle
- ACTIVE
- Datasheet
- STMM-123-02-FM-D-SM Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STMM-123-02-FM-D-SM?
- 2.00 mm pitch dual-row shrouded design with 46 positions provides polarized, high-density cable-to-board connectivity in compact footprints
- FM (friction-mate) mating system ensures positive connector engagement without latches, enabling quick cable assembly and field replacement
- Surface mount (SM) termination style supports reflow soldering in automated SMT production lines without through-hole drilling
What is STMM-123-02-FM-D-SM used for?
The STMM-123-02-FM-D-SM is ideal for cable-to-board interconnects in industrial control panels, embedded computing modules, and medical instrument assemblies where a 2.00 mm pitch shrouded header is needed to guide and retain cable assemblies securely. Its dual-row 46-position layout accommodates wide parallel data and power buses in space-constrained enclosures. The surface mount footprint simplifies PCB layout and reduces assembly steps by eliminating through-hole soldering operations.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the STMM-123-02-FM-D-SM datasheet?
STMM-123-02-FM-D-SM Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for STMM-123-02-FM-D-SM?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What pitch and position count does the STMM-123-02-FM-D-SM connector offer for cable-to-board connections?
The STMM-123-02-FM-D-SM uses a 2.00 mm pitch with 46 positions in a dual-row configuration, providing 23 contacts per row. This layout supports parallel data buses up to 46 signals wide, making it a practical choice for cable-to-board interconnects in industrial PLC modules, FPGA expansion headers, and multi-axis motor drive systems.
How does the shrouded housing of the STMM-123-02-FM-D-SM improve assembly reliability compared to unshrouded headers?
The shrouded housing on the STMM-123-02-FM-D-SM provides a physical polarization key that prevents 180-degree reversed mating, reducing assembly errors in field installation. The shroud wall surrounds all 46 pins, protecting contacts from accidental bending during cable-assembly insertion and guiding the mating connector in a single defined orientation without additional polarization posts.
Is the STMM-123-02-FM-D-SM suitable for automated SMT reflow soldering and does it meet RoHS requirements?
Yes, the SM (surface mount) suffix confirms the STMM-123-02-FM-D-SM is designed for SMT reflow assembly at standard lead-free peak temperatures around 260°C. SAMTEC STMM series connectors are manufactured with Pb-free materials compliant with EU RoHS 2 and REACH, making them suitable for environmentally compliant electronics production without process modification.
When should an engineer choose STMM-123-02-FM-D-SM over a 2.54 mm pitch connector for an internal cable harness?
The 2.00 mm pitch of the STMM-123-02-FM-D-SM saves approximately 20% linear board space compared to a 2.54 mm pitch equivalent with the same 46 positions. Engineers should select this part when PCB edge space is constrained, when cable harness size must be minimized in dense enclosures, or when mating cable assemblies are sourced from SAMTEC's complementary SFMM series rated at the same 2.00 mm pitch and current carrying capacity.
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