TST-112-04-F-D SAMTEC Connector (Other) In Stock
SAMTEC TST-112-04-F-D is a 24-position dual-row shrouded PCB header with 0.100" (2.54 mm) pitch and friction-lock through-hole contacts. The integral polarized shroud protects all male pins and prevents misconnection with 24-pin ribbon cable harnesses. Available from authorized distributors with worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 24
- Lifecycle
- ACTIVE
- Datasheet
- TST-112-04-F-D Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TST-112-04-F-D?
- 24-position dual-row shrouded header at 0.100" (2.54 mm) pitch with friction-lock (F) contacts providing secure cable retention without requiring a latch mechanism
- Polarized integral shroud preventing mis-mating of 24-pin IDC ribbon cable connectors, protecting circuitry operating at 3.3 V or 5 V logic from reversed signal assignments
- Dual-row (D) layout achieving 24 contacts in a compact 1.4" footprint, reducing PCB edge connector count in embedded systems and industrial control applications
What is TST-112-04-F-D used for?
The TST-112-04-F-D is used in embedded computing, industrial automation, and instrumentation for reliable 24-pin board-to-cable interconnection with polarity protection. The 0.100" pitch dual-row layout accommodates data buses, multiple power rails, and ground references within a single keyed shrouded connector, simplifying cable harness design. Its friction-lock contacts maintain reliable electrical connections in vibration-prone industrial environments without requiring additional locking hardware.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TST-112-04-F-D datasheet?
TST-112-04-F-D Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TST-112-04-F-D?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the pitch, position count, and row configuration of the TST-112-04-F-D, and how does this serve embedded computing designs?
The TST-112-04-F-D is a 24-position dual-row shrouded header at 0.100" (2.54 mm) pitch with 12 contacts per row. This layout provides 24 connections in a compact footprint suitable for SBC (single-board computer) expansion headers, data acquisition cards, and I/O backplanes where 24 signals including 3.3 V power, ground, SPI, UART, and GPIO lines must share a single connector interface, simplifying cable harness assembly and reducing connector count.
How does friction-lock (F) contact design in the TST-112-04-F-D differ from standard press-fit or gold-contact variants?
Friction-lock (F) contacts in the TST-112-04-F-D rely on precisely controlled contact geometry to generate spring retention force against the mating female connector housing, maintaining engagement without a snap-lock or latch. This provides an extraction force of approximately 0.5 N to 1 N per contact pair across the 24-position array, balancing ease of cable removal during servicing with sufficient retention to prevent accidental disconnection in vibrating machinery. Standard gold contacts by contrast prioritize plating durability over mechanical retention.
When is the TST-112-04-F-D preferred over a 24-position unshrouded header for industrial panel wiring?
The TST-112-04-F-D shrouded variant is preferred in industrial panel wiring when cables are connected or replaced by field technicians who may not verify pin-1 orientation. The integral shroud and polarization key physically prevent a 24-pin ribbon cable from being inserted reversed or offset by 2 pins, which at 5 V or 24 V industrial signal levels could permanently damage connected I/O modules. The shrouded header is also recommended in dusty or humid environments where exposed pins on an unshrouded header could cause short-circuit faults between adjacent contacts at 0.100" spacing.
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