TSM-121-04-F-DH-P-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-121-04-F-DH-P-TR is a 42-position dual-row surface mount terminal strip with 0.100 inch pitch and right-angle termination. It includes a positioning pin for accurate PCB alignment and is supplied in tape-and-reel format for automated SMT production. Suitable for industrial control boards, test equipment, and embedded computing modules requiring 42-pin board edge connectivity.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 42
- Lifecycle
- ACTIVE
- Datasheet
- TSM-121-04-F-DH-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-121-04-F-DH-P-TR?
- 42-position dual-row terminal strip at 0.100 inch (2.54 mm) standard pitch
- Right-angle (F) termination for board-edge mounting and low-profile connector access
- Positioning pin (P suffix) ensuring precise PCB placement during SMT assembly
- Tape-and-reel (TR) packaging supporting high-volume automated pick-and-place assembly
- Dual-row DH layout providing 21 positions per row in a compact 0.100 inch pitch footprint
What is TSM-121-04-F-DH-P-TR used for?
TSM-121-04-F-DH-P-TR is used in board-edge interconnect applications for industrial control systems, embedded computing boards, and test and measurement equipment where 42 signals need to route from the PCB edge to a cable or mating connector. The right-angle termination and positioning pin allow precise card-edge placement in panel-mount enclosures and backplane systems. Its tape-and-reel packaging enables efficient automated SMT assembly in high-volume electronics manufacturing environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-121-04-F-DH-P-TR datasheet?
TSM-121-04-F-DH-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-121-04-F-DH-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the right-angle termination of TSM-121-04-F-DH-P-TR differ from a vertical surface mount strip?
The right-angle (F suffix) termination orients the 42 contacts parallel to the PCB plane rather than perpendicular, allowing the connector to exit from the board edge rather than the top surface. This reduces the height profile above the PCB by routing the mating interface sideways, which is essential for enclosure-mounted industrial control cards and backplane systems where access from the top of the board is restricted.
What is the total pin count and pitch of TSM-121-04-F-DH-P-TR, and which PCB designs benefit most?
TSM-121-04-F-DH-P-TR has 42 total pins in a dual-row configuration with 21 positions per row at a 0.100 inch (2.54 mm) pitch. Industrial control and embedded computing designs benefit most, as the standard 0.100 inch pitch provides broad tool and mating connector compatibility while the 42-pin count supports routing of GPIO signals, power, ground, and serial communication buses through a single board-edge connector.
Why is the positioning pin (P suffix) important for accurate SMT assembly of a 42-position connector?
For a 42-position dual-row connector with 0.100 inch pitch spanning the full board-edge length, even a small lateral misalignment during reflow soldering can cause multiple solder bridges or open joints across the 42 pads. The positioning pin physically registers the connector body to a pre-drilled PCB locating hole before and during reflow, ensuring all 42 contacts land accurately on their respective pads in both automated pick-and-place and manual placement scenarios.
Is TSM-121-04-F-DH-P-TR available in tape-and-reel for high-volume production, and what is a typical lead time outlook?
Yes. The TR suffix confirms TSM-121-04-F-DH-P-TR is packaged in tape-and-reel format, which is fully compatible with automated SMT pick-and-place machines in high-volume production environments. Procurement teams sourcing this 42-position SAMTEC terminal strip for volume programs should consult distributor stock and contact SAMTEC for current lead time, as 0.100 inch pitch dual-row strips in tape-and-reel often ship from distribution within 1 to 4 weeks for standard quantities.
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