1N4068A diodes equivalent, high voltage temperature compensated zener reference diodes.
The 1N4057 thru 1N4085A series of Zero-TC Reference Diodes provides a wide selection of nominal voltages ranging from 12.4 V to 200 V with low temperature coefficients of either 0.005%/C or 0.002%/oC for minimal voltage change with temperature. This .
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