TST-111-04-T-D SAMTEC Connector (Other) In Stock
SAMTEC TST-111-04-T-D is a 22-position dual-row shrouded PCB header with 0.100" (2.54 mm) pitch. It features through-hole mounting and a robust shrouded design for reliable mating. From $2.50, available in stock with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 22
- Lifecycle
- ACTIVE
- Datasheet
- TST-111-04-T-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TST-111-04-T-D?
- 22-position dual-row configuration with 0.100" (2.54 mm) pitch for high-density interconnects
- Shrouded housing provides keyed mating alignment and protects contacts during connection
- Through-hole mounting offers robust mechanical retention on PCB assemblies
What is TST-111-04-T-D used for?
The TST-111-04-T-D is well suited for backplane and daughter-card interconnect systems requiring reliable 22-position signal routing at 2.54 mm pitch. It is commonly used in industrial control systems, test and measurement equipment, and embedded computing platforms. The shrouded design ensures correct polarized mating, reducing mis-connection risk in high-cycle environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TST-111-04-T-D datasheet?
TST-111-04-T-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TST-111-04-T-D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What pitch and row count does the TST-111-04-T-D use, and how does that affect board layout?
The TST-111-04-T-D uses a 0.100" (2.54 mm) pitch in a dual-row, 22-position layout, occupying 11 positions per row. This standard pitch allows easy integration with common 0.100" mating connectors and simplifies PCB routing, as the 2.54 mm grid aligns with widely used design rules in industrial and embedded applications.
Which industrial or embedded applications benefit most from this shrouded PCB header?
Applications requiring polarized, reliable 22-pin signal interconnects benefit most, including industrial controllers, test equipment backplanes, and single-board computer expansion headers. The shrouded housing ensures correct mating orientation, reducing error rates in environments with frequent plug/unplug cycles, and supports signal lines operating at up to 2 A per 2.54 mm pitch contact.
How does TST-111-04-T-D compare to an unshrouded version for procurement and assembly?
The shrouded TST-111-04-T-D provides a keyed 22-position interface that prevents mis-mating, while unshrouded variants lack polarization features. For automated assembly, the through-hole pin length accommodates standard wave or selective solder processes. The 0.100" pitch grid is compatible with 100-mil footprint libraries, simplifying BOM management across multi-board designs with 22 or fewer signal lines.
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