TSM-124-04-LM-SH-A SAMTEC Connector (Other) In Stock
SAMTEC TSM-124-04-LM-SH-A is a 24-position dual-row surface-mount terminal strip with 0.100 inch (2.54 mm) pitch in a single-row horizontal (SH) orientation and LM tail style. Gold-plated contacts deliver reliable cable-to-board and board-to-board signal connections. Available in stock worldwide at competitive pricing for both prototype and production quantities.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- TSM-124-04-LM-SH-A Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-124-04-LM-SH-A?
- 24-position dual-row surface-mount layout at 0.100 inch (2.54 mm) pitch provides broad signal connectivity within a standard SMT footprint compatible with automated reflow assembly
- Single-row horizontal (SH) orientation routes mating cable assemblies parallel to the PCB surface, reducing connector stack height and enabling low-profile enclosure designs
- LM (latch-mount) tail style provides mechanical retention of the connector body to the PCB prior to soldering, improving placement accuracy during high-volume SMT assembly
What is TSM-124-04-LM-SH-A used for?
The TSM-124-04-LM-SH-A is designed for surface-mount cable-to-board and board-to-board interconnect applications in embedded computing modules, industrial I/O panels, and telecommunications equipment. Its 24-position horizontal orientation enables flat ribbon cable exits parallel to the PCB, simplifying cable routing inside compact enclosures with limited vertical clearance. The standard 0.100 inch pitch and SMT termination make it easy to integrate into existing PCB designs that use common 2.54 mm grid layouts.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-124-04-LM-SH-A datasheet?
TSM-124-04-LM-SH-A Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-124-04-LM-SH-A?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the SH (single-row horizontal) orientation of TSM-124-04-LM-SH-A reduce enclosure height compared to vertical connectors?
The SH (horizontal) orientation routes the mating cable or mating connector parallel to the PCB surface rather than perpendicular, lowering the total assembly height above the board by 30% to 50% compared to vertically mounted 0.100 inch pitch dual-row headers. In a 24-position interface this allows PCB assemblies to fit inside enclosures with internal clearance as low as 8 mm above the board surface, benefiting low-profile handheld instruments and wall-mount industrial controllers.
Which SMT reflow process requirements must be met when soldering TSM-124-04-LM-SH-A in a production environment?
TSM-124-04-LM-SH-A uses surface-mount tail termination compatible with standard SAC305 solder paste reflow processes with peak temperatures up to 260°C, per J-STD-020 moisture sensitivity level guidelines. The LM (latch-mount) feature mechanically secures the 24-position body to the PCB before entering the reflow oven, preventing connector shift during conveyor transport and ensuring all 24 SMT pads at 0.100 inch pitch remain aligned within 0.1 mm of nominal position.
In which procurement scenario is TSM-124-04-LM-SH-A a cost-effective alternative to a custom 24-pin flat flex connector?
TSM-124-04-LM-SH-A is cost-effective over a custom flat flex connector when a design targets 24 signal lines at 0.100 inch pitch and requires off-the-shelf cable assemblies available from multiple distributors. Unlike custom FFC solutions with minimum order quantities often exceeding 1000 pieces and 4 to 6 week lead times, the TSM-124-04-LM-SH-A stocks at major distributors with standard 0.100 inch pitch mating options, enabling same-week prototype procurement and immediate production scaling.
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