Schutzbauelemente Product Top Page Katalog Tech Notes Technical Support Tools FAQ 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. EPCOS Tools für Entwickler_https://de.tdk.eu/tdk-de/193030/design-support/tools-fuer-entwickler Design Tools und Simulationsmodelle für EPCOS Bauelemente.