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U309. For precise diagrams, and layout, please refer to the original PDF.
U309 N-CHANNEL JFET Linear Systems replaces discontinued Siliconix U309 The U309 is a high frequency n-channel JFET offering a wide range and low noise performance. The h...
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n-channel JFET offering a wide range and low noise performance. The hermetically sealed TO-18 package is well suited for high reliability and harsh environment applications. (See Packaging Information). FEATURES DIRECT REPLACEMENT FOR SILICONIX U309 OUTSTANDING HIGH FREQUENCY GAIN LOW HIGH FREQUENCY NOISE ABSOLUTE MAXIMUM RATINGS @ 25°C1 Gpg = 11.5dB NF = 2.