TFM-139-03-LM-D-RA SAMTEC Connector (Other) In Stock
TFM-139-03-LM-D-RA is a SAMTEC PCB connector for board-to-board interconnects. It provides 78 pins, 0.50 inch pitch. From RFQ pricing, in-stock sourcing supports worldwide shipping.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 78
- Lifecycle
- ACTIVE
- Datasheet
- TFM-139-03-LM-D-RA Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFM-139-03-LM-D-RA?
- TFM-139-03-LM-D-RA PCB connector backed by SAMTEC documentation
- 78 pins configuration supports BOM, footprint, and incoming-inspection checks
- 0.50 inch pitch geometry supports compact PCB layout planning
- 78 pins, 0.50 inch pitch for engineering qualification and alternate comparison
- RFQ-oriented sourcing path for production lots and worldwide shipping
What is TFM-139-03-LM-D-RA used for?
TFM-139-03-LM-D-RA is used in mezzanine boards, industrial controllers, instrumentation modules, communications equipment, and rugged embedded hardware where PCB connector selection affects fit, reliability, and sourcing continuity. Engineering and procurement teams use it for assemblies that need 78 pins, manufacturer documentation, and controlled alternates before volume builds.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFM-139-03-LM-D-RA datasheet?
TFM-139-03-LM-D-RA Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFM-139-03-LM-D-RA?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
For new layouts, what makes TFM-139-03-LM-D-RA suitable around 78 pins?
TFM-139-03-LM-D-RA is suited to mezzanine boards, industrial controllers, instrumentation modules, communications equipment, and rugged embedded hardware when the design needs 78 pins. Confirm 78 pins, 0.50 inch pitch against the manufacturer drawing before PCB release.
How should an RFQ team qualify TFM-139-03-LM-D-RA before worldwide shipment?
Procurement should verify lifecycle status, datasheet revision, approved manufacturer, and 78 pins against the BOM. This keeps substitutions controlled before allocation, inspection, or worldwide shipping.
Which application constraints make TFM-139-03-LM-D-RA the preferred listed option?
Compare nearby SAMTEC variants by footprint, electrical limits, mating geometry, and 78 pins. Choose TFM-139-03-LM-D-RA only when 78 pins, 0.50 inch pitch matches the approved assembly process.
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