EOS 10/1000 microsecond surge protection

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ST’s large portfolio of EOS 10/1000 µs transient voltage suppressors (TVS) including single diodes and arrays feature:

  • High-surge power capability from 100 to over 5000 W
  • Absolute best-in-class performance at full power even with high junction temperatures
  • High power density to increase robustness or to allow smaller packages for optimized space and cost savings

In addition to meeting or exceeding international standards to protect sensitive equipment against electrostatic discharges (ESD), our TVS are available in standard surface-mount (SMD) packages as well as the new flat and thin package variants (400 W and 600 W in SMA Flat, and 600 W in SMB Flat). 

In addition to the lower profile, ST’s new 1500 W SMB flat package has transient power capability equivalent to that of conventional devices in SMC packages. SMB flat devices increase cost effectiveness by fitting in a footprint 50% smaller. The 400 W and 600 W SMA flat and SMB flat devices are fully footprint compatible with alternatives in conventional SMA and SMB packages. The leakage current is five times lower compared with other TVS diodes on the market, minimizing impact on system operation and power consumption while in non-protection stand-by. This AN5579 application note provides benefits of TVS Flat packages versus traditional packages. 

     

Using ST’s power surge protection solutions, designers can replace an alternatively-sourced 1500 W, SMC-housed device with a smaller 600 W, SMA package from ST, resulting in cost savings while keeping the same protection level. This consideration is crucial for applications such as solar inverters, set-top boxes, and telecom base stations, as well as for MOSFET protection and industrial control applications.

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