TFC-121-02-FM-D-A-K SAMTEC Connector (Other) In Stock
SAMTEC TFC-121-02-FM-D-A-K is a 42-position dual-row Tiger Eye cost-effective terminal strip with 0.050-inch pitch and friction mount retention, designed for reliable SMT board-to-board mezzanine stacking. Gold-plated Tiger Eye contacts ensure low contact resistance and consistent performance across hundreds of mating cycles.
- Manufacturer
- SAMTEC
- Package
- Other
- Pin Count
- 42
- Lifecycle
- ACTIVE
- Datasheet
- TFC-121-02-FM-D-A-K Datasheet PDF
- Category
- Connector
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TFC-121-02-FM-D-A-K?
- 42-position dual-row Tiger Eye terminal strip at 0.050" (1.27 mm) pitch for mid-density SMT mezzanine interconnect
- Friction mount (FM) retention feature provides mechanical locking to prevent unintentional unmating during vibration
- Tiger Eye dual-beam contact delivers superior wiping action for contact resistance reliably below 20 mΩ
- Cost-effective construction reduces PCB BOM cost while maintaining Samtec's high-reliability contact standards
What is TFC-121-02-FM-D-A-K used for?
The TFC-121-02-FM-D-A-K is designed for mid-density board-to-board mezzanine stacking in communications equipment, embedded computing modules, and industrial automation controllers. Its 42-position dual-row layout at 0.050-inch pitch provides 21 signal pairs in a compact SMT footprint, and the friction mount feature adds mechanical retention for applications subject to shock and vibration. The Tiger Eye contact design ensures reliable signal connections across repeated mating and unmating operations throughout the product's service life.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TFC-121-02-FM-D-A-K datasheet?
TFC-121-02-FM-D-A-K Datasheet DownloadOfficial datasheet from SAMTEC
What are equivalent replacements for TFC-121-02-FM-D-A-K?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does TFC-121-02-FM-D-A-K support dense mezzanine board layouts?
Its 0.050-inch pitch and 42 positions provide a compact dual-row interconnect for board-to-board stacking where PCB area and signal count are constrained.
Which retention features matter during SMT assembly and mating?
The friction mount option helps stabilize the 2-row terminal strip through placement and mating, while Tiger Eye contacts support consistent engagement across repeated cycles.
Where is this SAMTEC terminal strip commonly selected in a BOM?
Designers use the 42-contact connector in embedded modules, instrumentation boards, and compact control assemblies needing dependable mezzanine links with gold-plated contact surfaces.
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About SAMTEC
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