TSM-119-04-L-DH-A-K-TR SAMTEC Connector (Other) In Stock
SAMTEC TSM-119-04-L-DH-A-K-TR is a 38-position dual-row surface mount terminal strip at 0.100" (2.54 mm) pitch with low-profile height and key polarization for mistake-proof mating. Contacts are rated at 3 A per pin, and the -TR suffix provides tape-and-reel packaging for automated SMT assembly. Widely stocked at authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 38
- Lifecycle
- ACTIVE
- Datasheet
- TSM-119-04-L-DH-A-K-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TSM-119-04-L-DH-A-K-TR?
- 38-position dual-row SMT terminal strip at 0.100" (2.54 mm) pitch with 19 contacts per row for high-density signal routing on compact PCBs
- Keyed (-K) polarization prevents reverse insertion during assembly and field servicing, reducing mis-mate risk in multi-connector board designs
- Tape-and-reel (-TR) packaging enables automated pick-and-place SMT assembly, lowering per-unit placement cost on high-volume production lines
What is TSM-119-04-L-DH-A-K-TR used for?
The TSM-119-04-L-DH-A-K-TR is ideal for board-to-board and backplane signal distribution in embedded computing, industrial I/O modules, and test fixture designs requiring 38 reliable connection points within a 0.100" pitch footprint. The integrated key polarization ensures correct orientation during assembly, which is critical in systems with multiple adjacent connectors of the same pitch. Its low-profile height suits applications with tight vertical clearance between stacked PCBs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TSM-119-04-L-DH-A-K-TR datasheet?
TSM-119-04-L-DH-A-K-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TSM-119-04-L-DH-A-K-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the keyed polarization of TSM-119-04-L-DH-A-K-TR prevent mis-mating in multi-connector board designs?
The -K keying feature adds a mechanical key slot or pin that is offset from the symmetric dual-row layout, making it physically impossible to insert the mating connector in the wrong orientation across the 38 positions. In boards with 3 or more identical 0.100" pitch connectors placed side by side, keying prevents swapped connections that would otherwise short power and ground rails or corrupt I/O assignments during production test or field servicing.
What current capacity does the TSM-119-04-L-DH-A-K-TR provide, and how does this limit mixed power-signal applications?
Each of the 38 contacts is rated at 3 A, giving a total capacity of up to 114 A if all pins carried current simultaneously. In practice, designers dedicate a small number of pins to power rails at currents under 3 A per pin and route signals on the remaining positions. For power rails exceeding 3 A per contact, parallel wiring of 2 or more adjacent pins is a common technique to stay within the contact rating while using the same 0.100" pitch connector.
When does selecting tape-and-reel packaging for the TSM-119-04-L-DH-A-K-TR offer a procurement advantage over cut tape?
Tape-and-reel is cost-effective for production builds consuming more than 500 units per order, since full reels eliminate the cut-tape surcharge levied by distributors for partial quantities. Automated SMT feeders accept standard 8 mm to 16 mm reels directly, reducing feeder changeover time per shift. For prototype quantities of fewer than 50 units, cut tape or loose-pack formats are usually more economical, avoiding the minimum reel-quantity commitment.
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