TSM-139-01-SS-DV-P-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-139-01-SS-DV-P-TR is a 78-position dual-row surface mount terminal strip with 2.54 mm (0.100 inch) pitch, designed for board-level SMT interconnects. Rated at 3 A and 250 V per contact. Available worldwide with fast shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 78
- Lifecycle
- ACTIVE
- Datasheet
- TSM-139-01-SS-DV-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-139-01-SS-DV-P-TR?
- 78-position dual-row layout at 2.54 mm pitch delivers 78 signal connections in a standard through-hole compatible SMT footprint
- 3 A per contact current rating supports both signal and power distribution in mixed-function backplane designs
- Single-sided SMT termination simplifies PCB layout and enables automated reflow assembly for volume production
What is TSM-139-01-SS-DV-P-TR used for?
The TSM-139-01-SS-DV-P-TR is used in industrial backplane assemblies, embedded computer motherboards, and data acquisition systems requiring 78 dense signal connections via reflow-solderable surface mount terminal strips at 2.54 mm pitch. Its 3 A contact rating allows it to serve both signal and auxiliary power lines within a single connector.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-139-01-SS-DV-P-TR datasheet?
TSM-139-01-SS-DV-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-139-01-SS-DV-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does TSM-139-01-SS-DV-P-TR compare to its through-hole equivalent for a 78-pin backplane design?
TSM-139-01-SS-DV-P-TR uses SMT pads instead of drilled vias, eliminating the need for 78 through-holes and freeing inner PCB layers for routing. The 2.54 mm pitch matches standard 0.100-inch grid layouts, so existing footprint libraries apply directly while reducing board fabrication cost by avoiding via drilling in high pin-count areas.
What current and voltage does each contact in TSM-139-01-SS-DV-P-TR support?
Each contact is rated at 3 A and 250 V, allowing the 78-position connector to handle up to 78 independent signal or power lines simultaneously. These ratings accommodate both 3.3 V and 5 V logic signals as well as 24 V auxiliary power rails within the same connector body on industrial control boards.
For a PCB layout where both sides must remain clear, why is TSM-139-01-SS-DV-P-TR advantageous?
The surface mount design of TSM-139-01-SS-DV-P-TR keeps the component entirely on one board side with no pins protruding through to the other side, allowing components to be placed on the reverse of the board directly opposite the connector. This is critical in compact embedded systems where every square millimeter of the 2-layer PCB area must accommodate active components within a total board thickness of under 2 mm.
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