Chip Varistors / Ceramic Transient Voltage Suppressors Product Top Page Search by Part No. Search by Characteristics Cross Reference Catalog Tech Notes Technical Support Tools FAQ EoL/NRND Info. Chip Varistors / Ceramic Transient Voltage Suppressors Simulation This is a tool for selecting chip varistors/CTVS that can provide the optimum surge countermeasures for your circuit. TVCL - TDK Virtual Component Library The TVCL is simulation model that reproduce the characteristics of TDK electronic components in circuit simulators. TDK Sample Kits for Chip Varistors A short description of each sample kit and detailed information from PDF files. Sample kits are available to place an order through the distributor's web site. EPCOS Design Tools Design tools and simulation models for EPCOS brand components