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Home » NEWEST Products » New by Manufacturer » STMicroelectronics » STMicroelectronics STEF05 / STEF12 Electronic Fuses
NEWEST Products

STMicroelectronics STEF05 / STEF12
Electronic Fuses

STMicroelectronics STEF05 / STEF12 Electronic Fuses come in 3 x 3mm IC packages, which can replace larger conventional fuses or other protection devices such as transils or diodes. Unlike regular fuses, STEF05 / STEF12 Electronic Fuses do not cut the power suddenly or require replacement after actuating, thereby helping to improve equipment uptime and availability while also reducing maintenance costs. Compared to transils or diodes, STEF05 / STEF12 Electronic Fuses enable versatile and simple programming of protection parameters. Applications for STMicroelectronics STEF05 / STEF12 Electronic Fuses include hard disk drives, solid state drives, arrays, and DVD and Blu-ray disc drivers.

Features
  • Continuous current (typ): 3.6 A
  • N-channel on-resistance (typ): 40 mΩ (STEF05) 53 mΩ (STEF12)
  • Enable/Fault functions
  • Output clamp voltage (typ): 6.65 V (STEF05) 15 V (STEF12)
  • Undervoltage lockout
  • Short-circuit limit
  • Overload current limit
  • Controlled output voltage ramp
  • Thermal latch (typ): 165 °C
  • Uses tiny capacitors
  • Operating junction temp. - 40 °C to 125 °C
  • Available in DFN10 (3 x 3 mm) package
Applications
  • Hard disk drives
  • Solid state drives (SSD)
  • Hard disk and SSD arrays
  • Set-top boxes
  • DVD and Blu-ray disc drivers

Additional Resources
STEF05 Datasheet
STEF05 Product Info
STEF12 Datasheet
STEF12 Product Info
  • STMicroelectronics
  • Power Management
  • Semiconductors|Integrated Circuits|IC-Power Management