TSM-135-04-STL-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-135-04-STL-DH-A-K-TR is a 70-position dual-row surface-mount terminal strip on 0.100" (2.54 mm) pitch, featuring through-hole locating pegs, gold-plated contacts, and tape-and-reel packaging for high-volume automated PCB assembly in dense interconnect applications.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 70
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-135-04-STL-DH-A-K-TR?
- 70 total contact positions in dual-row (DH) layout on 0.100" (2.54 mm) pitch
- Gold-plated (-K) contacts for superior conductivity and extended mating cycle life
- Tape-and-reel (-TR) packaging enabling high-volume automated SMT assembly
- Through-hole locating pegs (STL) for precise PCB alignment and soldering stability
- RoHS-compliant construction for use in industrial and commercial applications
What is TSM-135-04-STL-DH-A-K-TR used for?
TSM-135-04-STL-DH-A-K-TR is designed for high-density board-to-board and daughtercard-to-baseboard interconnect assemblies in computing systems, industrial automation controllers, and telecommunications equipment. Its 70-pin dual-row layout and through-hole locating pegs provide mechanical stability during reflow soldering, making it ideal for demanding applications where positional accuracy and robust contact reliability across many mating cycles are required.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-135-04-STL-DH-A-K-TR datasheet?
TSM-135-04-STL-DH-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-135-04-STL-DH-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What total pin count and pitch does the TSM-135-04-STL-DH-A-K-TR offer for board-to-board connections?
The TSM-135-04-STL-DH-A-K-TR provides 70 contact positions arranged in 2 rows on a standard 0.100 inch (2.54 mm) pitch, giving designers a high pin-count interconnect in a compact dual-row footprint for dense PCB layouts.
How do the through-hole locating pegs (STL) on TSM-135-04-STL-DH-A-K-TR improve assembly yield?
The STL suffix indicates through-hole locating pegs that anchor the connector body to the PCB during reflow soldering, reducing tombstoning and misalignment risk across the 70-pin array and improving first-pass assembly yield on automated SMT lines running at standard reflow temperatures up to 260°C.
Why is gold plating (-K) on the TSM-135-04-STL-DH-A-K-TR contacts preferred for long-lifecycle industrial designs?
Gold-plated contacts (-K) maintain stable contact resistance below 20 mΩ over hundreds of mating cycles and resist oxidation in humid or mildly corrosive industrial environments, making them more reliable than tin-plated alternatives for equipment expected to remain in service for 10 years or more.
How does sourcing TSM-135-04-STL-DH-A-K-TR in tape-and-reel format affect procurement planning for volume production?
The -TR suffix confirms standard tape-and-reel packaging compatible with automated pick-and-place feeders. Volume buyers typically order in reel quantities of 500 to 1,000 pieces per reel, which reduces per-unit handling cost and simplifies inventory management when building boards with a 70-pin dual-row header requirement.
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