Download the U309 datasheet PDF.
This datasheet also covers the U308 variant, as both devices belong to the same n-channel jfet family and are provided as variant models within a single manufacturer datasheet.
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
U309. For precise diagrams, and layout, please refer to the original PDF.
n-channel JFETs designed for • • • H Performance Curves NZA See Section 4 • VHF Amplifiers • Front End High Sensitivity Amplifiers • Oscillators • Mixers BENEFITS • I ndu...
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nd High Sensitivity Amplifiers • Oscillators • Mixers BENEFITS • I ndustry Standard • High Power Gain 16 dB at 105 MHz, Common-Gate 11 dB at 450 MHz, Common-Gate • Low Noise 2.7 dB Noise Figure at 450 MHz • Wide Dynamic Range Greater than 100 dB • 75 n Input Match Common Gate ABSOLUTE MAXIMUM RATINGS (25°C) Gate-Drain or Gate-Source Voltage ............... -25 V Gate Current ............................... 20mA Total Power Dissipation at T A ~ 25°C .......... 500mW Power Derating to 150°C ..... _............ 4.0 mW;oC Storage Temperature Range ........... _.. -65 to +150°C Lead Temperature ( 1/16" from case for 10 seconds)
U309 Datasheet
