TST-112-05-G-D SAMTEC Connector (Other) In Stock
SAMTEC TST-112-05-G-D is a 24-position dual-row shrouded PCB header with 0.100" (2.54 mm) pitch for through-hole mounting. Features a protective shroud for polarized mating and gold-plated contacts for reliable connectivity. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- TST-112-05-G-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TST-112-05-G-D?
- 24-position dual-row shrouded header with 0.100" (2.54 mm) pitch providing polarized, keyed mating for error-free connector insertion
- Protective plastic shroud prevents mis-mating and shields contacts from accidental damage during board assembly and field servicing
- Gold-plated contacts maintain low contact resistance for reliable signal transmission in industrial and embedded computing applications
What is TST-112-05-G-D used for?
The TST-112-05-G-D is suited for embedded computing boards, industrial control panels, and prototype development platforms requiring 24-pin polarized board interconnects. Its 0.100" pitch through-hole design is compatible with standard IDC ribbon cable assemblies, making it a practical choice for signal distribution between PCBs. The shrouded housing ensures correct cable orientation, reducing wiring errors in field-installed equipment.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TST-112-05-G-D datasheet?
TST-112-05-G-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TST-112-05-G-D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the shroud on the TST-112-05-G-D improve reliability compared to an unshrouded 24-pin header?
The TST-112-05-G-D includes a protective plastic shroud that aligns and keys the mating connector, preventing reverse or offset insertion across all 24 positions. This polarization feature eliminates a common source of field failures where unshrouded headers can be plugged in backwards, potentially damaging 24 signal lines or connected ICs. The shroud also protects gold-plated contacts from mechanical damage during assembly at 0.100" (2.54 mm) pitch.
Which cable assemblies are compatible with the TST-112-05-G-D 24-position header?
The TST-112-05-G-D is designed to mate with standard 24-conductor IDC ribbon cable assemblies terminating in a matching 24-position female connector on 0.100" (2.54 mm) pitch. It also accepts discrete wire housings using 22 to 28 AWG conductors, covering a wide range of current capacities up to approximately 1 A per contact. This compatibility with widely available cable assemblies reduces BOM complexity in industrial and embedded system designs.
When should an engineer choose the TST-112-05-G-D over a 0.050" pitch surface-mount alternative for a 24-signal interface?
The TST-112-05-G-D on 0.100" (2.54 mm) pitch is preferable when field serviceability is required, since technicians can easily mate and unmate the connector without precision tools. Through-hole mounting provides stronger mechanical retention than surface-mount pads, withstanding pull-out forces that can stress SMT joints on high-vibration equipment. For designs where technicians must swap ribbon cables frequently, the 0.100" pitch also accommodates standard IDC tools, reducing the risk of contact damage compared to 0.050" pitch alternatives.
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