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U422

Siliconix
Part Number U422
Manufacturer Siliconix
Description N-Channel JFET Pairs
Published Dec 3, 2018
Detailed Description ~Siliconix .LII incorporated U421 SERIES N-Channel JFET Pairs The U421 Series are monolithic pairs of n-channel JFETs ...
Datasheet PDF File U422 PDF File

U422
U422


Overview
~Siliconix .
LII incorporated U421 SERIES N-Channel JFET Pairs The U421 Series are monolithic pairs of n-channel JFETs designed to provide very high input impedance for differential amplification and impedance matching.
Among its many unique features, this series offers operating gate current specified at -250 fA (U421-3), high gain at low operating currents, and tight matching (10 mV for U421 and U424).
Additionally, its TO-78 package is hermetically sealed and may be screened per MIL-S-19500.
(See Section 1.
) For additional design information please see performance curves NNT, which are located in Section 7.
SIMILAR PRODUCTS o Low-Noise, See U401 Series o High-Gain, See 2N5911 Series " Chips, Order U42XCHP PART NUMBER U421 U422 U423 U424 U425 U426 V(BR)GSS 9fs IG IVGS1- VGS21 MIN MIN MAX MAX (V) (mS) (pA) (mV) -40 0.
3 -0.
25 10 -40 0.
3 -0.
25 -40 0.
3 -0.
25 15 25 -40 0.
3 -0.
5 10 -40 0.
3 -0.
5 -40 0.
3 -0.
5 15 25 TO-78 BOTTOM VIEW 1 SOURCE 1 2 DRAIN 1 3 GATE 1 4 CASE 5 SO...



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