U421 jfet equivalent, n-channel dual jfet.
DESCRIPTION The Calogic U421 Series are Dual N-Channel JFETs on a monolithic structure designed specifically for very high input impedance for differential amplification .
PIN CONFIGURATION
TO-78
1 2 3 4 5 6 7
SOURCE 1 DRAIN 1 GATE 1 CASE/BODY SOURCE 2 DRAIN 2 GATE 2
4 5 3 2 1
6 7
BOT.
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