TST-104-04-G-D SAMTEC Connector (Other) In Stock
SAMTEC TST-104-04-G-D is an 8-position dual-row shrouded PCB header with 2.54mm (0.100 inch) pitch, gold-plated contacts, 4mm post length, and through-hole mounting for reliable wire-to-board and board-to-board connections.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- TST-104-04-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-104-04-G-D?
- Shrouded dual-row 8-position housing with 2.54mm pitch provides polarized, keyed mating to prevent reversed connector insertions in assembly and field service
- Gold-plated contacts over nickel ensure stable low-contact-resistance connections rated for over 500 mating cycles in harsh vibration and humidity environments
- 4mm post length supports standard IDC ribbon cable and discrete wire harness connections, compatible with both automated and hand assembly processes
What is TST-104-04-G-D used for?
The TST-104-04-G-D is commonly used in industrial automation, embedded control systems, and prototype development boards where reliable 8-pin shrouded IDC-style connections are needed for internal ribbon cable harnesses. Its polarized shroud prevents incorrect cable orientation, reducing field assembly errors in production equipment. It is also widely used in robotics, motor control boards, and test fixtures requiring repeatable wire-to-board connections at 2.54mm pitch.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TST-104-04-G-D datasheet?
TST-104-04-G-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TST-104-04-G-D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many positions does the TST-104-04-G-D have and in what row configuration?
The TST-104-04-G-D has 8 positions arranged in a dual-row, 4-per-row configuration on a 2.54mm (0.100 inch) pitch. The shrouded housing provides polarized mating with standard IDC ribbon cable connectors, making correct orientation straightforward during board assembly and field maintenance.
What is the pin post length of the TST-104-04-G-D and which cable types is it compatible with?
The TST-104-04-G-D features a 4mm through-hole post length above the PCB surface, compatible with standard 2.54mm pitch IDC ribbon cable assemblies and discrete wire crimp connectors. This length provides sufficient engagement depth for secure mechanical retention of mating cable connectors under vibration.
Why does the shrouded design of the TST-104-04-G-D reduce assembly errors compared to unshrouded headers?
The shrouded housing of the TST-104-04-G-D includes polarizing keys and a protective plastic surround that physically prevents a cable connector from being inserted backwards or offset by 1 position. This eliminates a common source of reverse-polarity damage on 8-pin cables and reduces assembly rework costs, particularly on high-volume production lines where IDC connectors are pressed manually.
What contact plating does the TST-104-04-G-D use, and how does it affect long-term signal integrity?
SAMTEC TST series headers use gold plating over nickel on all contact surfaces, providing low and stable contact resistance typically below 20 milliohms over the connector's rated life of 500 or more mating cycles. Gold's resistance to oxidation maintains reliable electrical performance in industrial environments with high humidity or mild chemical exposure.
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