TSM-129-04-FM-DH-A-K-TR SAMTEC Connector (Other) In Stock
The SAMTEC TSM-129-04-FM-DH-A-K-TR is a 58-position dual-row surface mount terminal strip with 0.100 inch (2.54 mm) pitch, female mating (FM), right-angle (A) orientation, polarization key (K), and tape-and-reel packaging for automated assembly.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 58
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-129-04-FM-DH-A-K-TR?
- 58-position dual-row configuration at 0.100" (2.54 mm) industry-standard pitch
- Female mating (FM) with integrated polarization key (K) for foolproof board-to-board mating
- Right-angle (A) orientation enabling horizontal signal routing on PCB edge
- Surface mount termination compatible with standard SMT reflow processes
- Tape-and-reel (TR) packaging for high-volume automated pick-and-place production
What is TSM-129-04-FM-DH-A-K-TR used for?
The TSM-129-04-FM-DH-A-K-TR suits backplane and daughtercard interconnects where a 58-position right-angle female header is needed to connect boards at a 90-degree angle, such as in VME, PCIe card cages, and industrial PLC I/O racks. The integrated polarization key prevents misalignment during assembly, making it reliable for production environments where manual mating by field technicians must be foolproofed.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-129-04-FM-DH-A-K-TR datasheet?
TSM-129-04-FM-DH-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-129-04-FM-DH-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What orientation does the TSM-129-04-FM-DH-A-K-TR provide, and how does it affect PCB layout?
The A suffix designates a right-angle orientation, meaning the 58-position dual-row connector mounts on the PCB surface while the mating direction is parallel to the board plane. This allows signals to enter horizontally from a daughtercard or backplane, saving vertical board height compared to vertical (straight) mount alternatives at the same 2.54 mm pitch.
Does the TSM-129-04-FM-DH-A-K-TR include a polarization key to prevent incorrect mating?
Yes, the K suffix indicates that this connector includes a physical polarization key. The key mechanically prevents misoriented insertion, ensuring the 58-pin interface always connects in the correct polarity. This feature is particularly valuable in field-serviceable equipment where an inexperienced technician must mate the connector without visual pin-1 reference markings.
What alternative part should I use when I need the same 58-position count without the right-angle orientation?
For the same 58-position dual-row count in a vertical (straight) surface mount orientation, evaluate the TSM-129-01 base series from SAMTEC, which shares the 0.100 inch (2.54 mm) pitch and the same dual-row DH housing. The pinout and mating headers remain identical, so switching between right-angle and vertical mount typically only requires a footprint rotation change on the PCB layout.
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