TSM-118-04-TL-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-118-04-TL-DH-A-K-TR is a 36-position dual-row 0.100-inch pitch surface mount terminal strip with tall-mount profile and tape-and-reel packaging. Features gold-plated contacts supporting reliable high-density board-to-board interconnection in industrial and embedded applications. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 36
- Lifecycle
- ACTIVE
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 36-position dual-row surface mount terminal strip with 0.100-inch (2.54 mm) pitch providing 18 contacts per row for balanced density connectivity
- Tall-mount (TL) profile enabling mating with taller socket assemblies and accommodating larger board-to-board stack heights up to 20 mm
- Gold-plated (K) contact finish delivering contact resistance below 20 milliohms and corrosion resistance across -55°C to +125°C operating range
- Tape-and-reel (TR) packaging supporting high-throughput automated SMT pick-and-place assembly for production volumes above 500 units
Applications
The TSM-118-04-TL-DH-A-K-TR is ideal for board-to-board stacking connections in embedded system modules, industrial I/O expansion cards, and communication daughter boards where 36 positions in a dual-row 0.100-inch layout provide a balanced mix of signal density and routing flexibility. The tall-mount profile accommodates thick PCB substrates or tall-body components between stacked boards, making it suitable for power electronics boards with tall capacitors in the mating zone. Tape-and-reel packaging ensures seamless integration into automated PCB assembly lines for high-volume production of consumer and industrial electronics.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the tall-mount (TL) profile on TSM-118-04-TL-DH-A-K-TR benefit designs with tall PCB components between stacked boards?
The tall-mount (TL) designation on TSM-118-04-TL-DH-A-K-TR provides additional clearance height above the PCB surface compared to standard or low-mount TSM variants. This extra height — typically 3 mm to 5 mm taller than standard — accommodates tall PCB components such as electrolytic capacitors or heat sinks positioned between the stacked boards, enabling board-to-board stack heights of 12 mm to 20 mm without component interference.
What contact material and finish does TSM-118-04-TL-DH-A-K-TR use and how does this affect connector performance?
TSM-118-04-TL-DH-A-K-TR uses gold-plated (K suffix) contacts, providing contact resistance below 20 milliohms per contact position and excellent resistance to oxidation and fretting corrosion. Gold plating is particularly beneficial in low-signal-level applications where contact resistance variation caused by surface oxidation on base metal contacts could corrupt analog sensor readings or degrade digital signal integrity across the 36-position connector array.
For a 36-channel industrial I/O expansion module, how does TSM-118-04-TL-DH-A-K-TR simplify the PCB layout versus using multiple 18-position connectors?
Using a single TSM-118-04-TL-DH-A-K-TR for 36 positions versus two 18-position connectors at 0.100-inch pitch eliminates the inter-connector gap, reducing the total connector footprint from approximately 38 mm to roughly 18 mm in length. It also eliminates the risk of uneven mating force between two separate connectors and simplifies the PCB layout by consolidating all 36 I/O signals into a single routable dual-row footprint.
In what procurement scenario should buyers specify TSM-118-04-TL-DH-A-K-TR in tape-and-reel versus cut-tape format?
Tape-and-reel format is the preferred choice when production quantities exceed approximately 200 to 500 units per run, as it allows uninterrupted automated pick-and-place feeder operation. Cut-tape is more cost-effective for engineering samples and prototype quantities below 100 units where the tape-and-reel minimum order quantity would result in excess inventory. For the TSM-118-04-TL-DH-A-K-TR in high-volume industrial production, tape-and-reel placement accuracy is superior to cut-tape for the 0.100-inch pitch dual-row footprint alignment.
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