EPCOS B594*/B597* series PTC inrush current limiters from TDK

The EPCOS B594*/B597* series of PTC inrush current limiters are designed for voltages from 280VAC to 560VAC, offer rated resistances from 22Ω to 100Ω at +25°C and have a heat capacity of up to 2.3J/K. They are UL approved and are qualified to AEC-Q200.

One great advantage of PTC inrush current limiters is their intrinsic safety. For example, if a short circuit should occur within a device when it is switched on, the component very quickly limits the current to non-critical values.

Typical applications for PTC inrush current limiters include converters and power supplies for industrial and household electronics as well as in e-mobility applications. These include onboard charging circuits and the charging and discharging of DC link capacitors in the drives of hybrid and electric vehicles.

The EPCOS B594* / B597* series of PTC inrush current limiters are designed for voltages from 280VAC to 560VAC.

Features/Applications

Features Applications
  •     Wide range of rated voltages and resistances
  •     Approvals compliant with UL, IECQ and VDE
  •     Intrinsic safety
  • Converters and power supply units for industrial and household electronics
  • Onboard charging circuits and the charging and discharging of DC link capacitors in the drives ​of hybrid and electric vehicles

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