TSM-124-01-SS-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-124-01-SS-DH-A-K-TR is a 48-position dual-row surface-mount terminal strip with 0.100 inch pitch, featuring single-sided (SS) mounting and dual-height contacts, supplied in tape-and-reel for automated high-volume SMT assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-124-01-SS-DH-A-K-TR?
- 48-position dual-row surface-mount terminal strip at 0.100 inch (2.54 mm) pitch, providing 48 contacts in a standard grid layout compatible with common PCB design libraries
- Single-sided (SS) surface-mount termination style simplifying PCB land pattern design and component placement for automated reflow soldering
- Dual-height (DH) contact configuration increasing mating engagement depth for improved mechanical retention in vibration-prone or frequently mated board-to-board applications
What is TSM-124-01-SS-DH-A-K-TR used for?
The TSM-124-01-SS-DH-A-K-TR serves as a board-to-board or board-to-module interface in embedded computing systems, industrial I/O expansion boards, and communication interface cards requiring 48 contacts at 0.100 inch pitch. Its dual-height contact design provides secure mating retention suitable for backplane daughter card connections and expansion modules subject to mechanical vibration or repeated insertion. Tape-and-reel packaging enables cost-effective high-volume SMT production with automated pick-and-place equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-124-01-SS-DH-A-K-TR datasheet?
TSM-124-01-SS-DH-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-124-01-SS-DH-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What contact count and pitch does the TSM-124-01-SS-DH-A-K-TR offer for SMT board-to-board connections?
The TSM-124-01-SS-DH-A-K-TR provides 48 contacts in a dual-row configuration at 0.100 inch (2.54 mm) pitch in a surface-mount package. This 48-pin count is sufficient for carrying a 32-bit parallel data bus plus address and control signals, or multiple independent serial interfaces across a board-to-board or board-to-module interface boundary within a standard 2.54 mm grid footprint.
How does the single-sided (SS) designation affect the PCB footprint of the TSM-124-01-SS-DH-A-K-TR?
The single-sided (SS) designation means all surface-mount solder leads extend from one side of the connector body, as opposed to a gull-wing or opposing-side termination style. This simplifies the PCB land pattern by placing all 48 pads in two parallel rows on the same board surface, reducing the pad routing complexity and making the component easier to inspect and rework after reflow soldering compared to connectors with leads on multiple sides.
For a 48-pin expansion module interface, how does TSM-124-01-SS-DH-A-K-TR compare to a 48-pin 0.050 inch pitch alternative?
At 0.100 inch (2.54 mm) pitch, the TSM-124-01-SS-DH-A-K-TR covers approximately 2.4 inches of board length for 24 positions per row, while a 48-pin 0.050 inch pitch connector of the same count would span only 1.2 inches. The 0.100 inch pitch version supports higher per-pin current ratings typically around 1 A per contact, uses wider PCB pad widths that are easier to hand-solder and inspect, and is compatible with through-hole mating headers for mixed assembly scenarios.
Does the dual-height (DH) contact in the TSM-124-01-SS-DH-A-K-TR improve reliability in vibrating environments?
Yes, the dual-height (DH) contact configuration increases the mating engagement depth compared to standard single-height contacts, resulting in a larger contact overlap area and higher normal force between mating parts. This greater mechanical engagement improves connector retention force and reduces the risk of intermittent disconnection under vibration loads in industrial motor control cabinets, transportation electronics, and embedded systems that experience mechanical shock or continuous vibration exceeding 5 g.
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