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RF Coaxial Connectors
High Frequency Connectors
- High Frequency Connectors
- 2.4mm
- N 18
- SMA 2.9 (K)
- TNC 18
SMA 2.9 (K)

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SMA 2.9 connector or "K" connector or "2.92 mm" connector for test and measurement

SMA 2.9 (K)

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Sub miniature screw-on connector, operating in the range DC-40 GHz

50 ohms / part series R127

SMA 2.9 also called "2.92 mm" or "K" connector was developed in the 1980's and is standardized per IEC 61169-35.

Intermateable with SMA and SMA3.5, SMA 2.9 is used for test and measurement and for high frequency microwave modules. The range includes some SMA 2.9 connectors specified up to 46 GHz.

Resources

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SMA 2.9 (K) Catalog

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Performances

Features:

Impedance : 50Ω
Frequency range : DC ~ 40 GHz (DC ~ 46 GHz for KAPTON Technology - test laboratory purpose)
Durability : 500 mating cycles min.
Power rating at 1 GHz : 450W
Temperature range : -65°C / +165°C (-65°C / +200°C for KAPTON Technology)

Dimensions:

The outer diameter of the interface is approx 6.40mm