TFM-142-32-SM-D-A-P-TR SAMTEC Connector (Other) In Stock
SAMTEC TFM-142-32-SM-D-A-P-TR is an 84-position high-reliability Tiger Eye terminal strip with 0.050 inch (1.27 mm) pitch in a dual-row surface mount configuration with stand-mount, polarization, and pick-and-place tape reel packaging. Available in stock worldwide with fast shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 84
- Lifecycle
- ACTIVE
- Datasheet
- TFM-142-32-SM-D-A-P-TR Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFM-142-32-SM-D-A-P-TR?
- Tiger Eye contact technology provides superior mating retention force and low contact resistance across 84 dual-row positions at 0.050 inch pitch
- Stand-mount (SM) design elevates the connector body above the PCB surface, enabling conformal coating application beneath the component for enhanced moisture protection
- Polarization keying prevents mis-mating across 84 positions in automated and field assembly, eliminating costly rework from reversed insertion
- Pick-and-place tape reel (P-TR) packaging enables reliable automated SMT placement at production rates exceeding 1000 connectors per hour
What is TFM-142-32-SM-D-A-P-TR used for?
The TFM-142-32-SM-D-A-P-TR is deployed in board-to-board interconnect designs within military electronics, aerospace avionics, and industrial automation systems requiring conformal coating for moisture and chemical protection. Its 84-position dual-row stand-mount design at 0.050 inch pitch supports high pin-count interfaces for FPGA daughter cards, processor modules, and multi-channel sensor acquisition boards in harsh environment enclosures. The 32 mm mating height provides sufficient inter-board clearance for tall components and cable harnesses in rackmount and chassis-mounted system assemblies.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFM-142-32-SM-D-A-P-TR datasheet?
TFM-142-32-SM-D-A-P-TR Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFM-142-32-SM-D-A-P-TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the stand-mount (SM) feature of the TFM-142-32-SM-D-A-P-TR and why is it important for conformal coating processes?
The stand-mount design raises the connector body 1 mm to 2 mm above the PCB surface, creating a gap that allows conformal coating sprays to flow beneath the component body and coat the PCB surface and solder joints uniformly. Without this elevation, trapped voids under a flat-body SMT connector can become moisture ingress points that cause corrosion at the 84 solder joints over time in humid or outdoor environments rated to 95 percent relative humidity.
How many positions does the TFM-142-32-SM-D-A-P-TR accommodate and at what mating height?
The TFM-142-32-SM-D-A-P-TR provides 84 positions in 2 rows at 0.050 inch (1.27 mm) pitch with a 32 mm board-to-board mating height. The 42 contacts per row support wide data buses and mixed power and signal allocation in single-connector module interfaces, while the 32 mm height allows inter-board routing of cable assemblies or bulky heat sinks mounted on the lower PCB.
In which harsh environment applications is the TFM-142-32-SM-D-A-P-TR preferred over standard SMT connectors?
The stand-mount and polarization features of the TFM-142-32-SM-D-A-P-TR make it preferred in military avionics, outdoor industrial controllers, and marine electronics where conformal coating is mandatory per IPC-CC-830 or MIL-I-46058. Standard flat-body SMT connectors without stand-mount cannot be reliably coated under the body, leading to 5x to 10x higher field failure rates in salt-fog environments tested to MIL-STD-810 Method 509.
How does the 84-position TFM-142-32-SM-D-A-P-TR compare to the 74-position TFM-137 variant when selecting for a high pin-count module interface?
The 84-position TFM-142 provides 10 additional contacts over the 74-position TFM-137 at the same 0.050 inch pitch and similar mating height, adding approximately 6 mm to the connector body length. These extra 10 positions are valuable when allocating dedicated power pins at 1 A per contact or additional ground returns for impedance control of high-speed differential pairs operating above 5 Gbps.
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