EPCOS SMD multilayer varistors protect sensitive components in smart home and security applications

24-04-2019 | TTI Europe | Passives

TDK’s EPCOS SMD multilayer varistors offer reliable surge and ESD protection for sensitive components and are now available from TTI Europe. Providing high reliability and long-term stability, they are excellent for applications such as smart home and security devices. These varistors (MLVs, CeraDiode and CTVS) offer surge current ratings similar to those of disk varistors as alternatives to TVS diodes but give the advantages of allowing smaller and more robust designs. The EPCOS B72*T* series of SMD multilayer varistors are offered in a broad range of types and in compact case sizes 0201 to 2220. Features include no derating up to +125C and low leakage current. The components are UL compliant, with ESD accredited to IEC 6100-4-2 and surge accredited to IEC 60060-4-5. Applications for the series comprise offering ESD protection in NFC and interfaces (CAN, Ethernet, USB 2.0, USB 3.0, and bus systems). They are also a great fit to provide high energy transient/surge protection for thermostats, and PoE plus multiple security applications including detection (motion, vibration, opening, breakage of glass, access control, burglar, smoke, heat and water alarms); sender (manual pull stations, emergency call senders, assault senders) and communication modules (ISDN, CSM, info modules, control panels).

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