EPCOS Product Brief 2018 SIOV Metal Oxide Varistors SMD Varistors, CU Types for Surge Current Protection
SMD varistors, which are also known as CU varistors, are ceramic semiconductor components for surge current protection in consumer, industrial, automotive and telecom applications. SMD varistors are encapsulated components designed for SMD mounting and are electrically equivalent to the SIOV-S05 leaded disk varistors (disk diameter 5 mm) in case size 3225 and SIOV-S07 (disk diameter 7 mm) in case size 4032.The varistors cover a voltage range from 14 to 385 V DC and are designed for surge currents of between 100 and 1200 A at a standard pulse of 8/20 μs.Depending on the type, a maximum energy of between 300 and 23000 mJ can be absorbed for 2 ms. The components have a maximum AC operating voltage of up to 300 VRMS or respectively 385 V DC.All CU varistors are RoHS-compatible. Types with ≥130 VRMS are UL and CSA approved. They can be operated at temperatures of up to 85 °C without derating.
●Features
■SMD mountable varistors, suitable for lead-free soldering
■Bidirectional protection in a single component
■High surge current capability to IEC 61000-4-5 for the telecom series
■Jump start and load dump protection to ISO 7637, pulse 5 for automotive series
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[ consumer ][ industrial, ][ automotive ][ telecom ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10/2017 |
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Edition 10/2017 |
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526 KB |
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