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Will TVS diode workout for overshoot and transient suppression of DC Power Lines (12VDC)

Yes.TVS diodes serve as parallel protection elements. Under normal operating conditions the TVS diode presents high impedance to the protected circuit. When the normal operating voltage of the protected circuit is exceeded the TVS diode junction avalanches providing low impedance path for the transient current. As a result, the transient current is diverted away from protected components and shunted through TVS. For more information regarding TVS please refer to our application hints at: http://www.onsemi.com/pub_link/Collateral/AND8230-D.PDF and TVS/ Zener theory of operation at: http://www.onsemi.com/pub_link/Collateral/HBD854-D.PDF Answered by:
ON Semiconductor
2013-02-06 10:00:56.617