Download the 2N4868 datasheet PDF.
This datasheet also covers the 2N4867 variant, as both devices belong to the same n-channel jfets family and are provided as variant models within a single manufacturer datasheet.
Features
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10 nVNHi. @ 10 Hz. Additionally, this series features low cut-off voltages to accommodate low-level power supplies and low leakage for improved system accuracy. Specifically the 2N4867 and 2N4868 are ideal for low current, low battery operation. With 1 dB max. noise figure at 1 kHz, system sensitivity will be excellent. Finally, the 2N4867 Series' TO-72 package is hermetically sealed and suitable for military processing. (See Section 1.)
For further design information please consult the typic.