Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
The parameters 2) VARISTOR VOLTAGE & 3) CLAMPING VOLTAGE (MAX.) are used for comparison between different makes/ models of varistors. So that the V-I characteristics will provide a same baseline for comparison between different varistors and hence a better selection.