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The NIS5x2x Series eFuses are a cost effective, resettable fuse which can greatly enhance the reliability of a hard drive or other circuit from both catastrophic and shutdown failures.

The devices are designed to buffer the load device from excessive input voltage which can damage sensitive circuits. They include an overvoltage clamp circuit that limits the output voltage during transients but does not shut the unit down, thereby allowing the load circuit to continue its operation.

  • 4 m and 24 m Typical RDS(on) Options
  • Tristate Enable
  • Overcurrent Protection
  • Thermally Protected
  • Integrated Soft−Start Circuit
  • Fast Response Overvoltage Clamp Circuit
  • Internal Undervoltage Lockout Circuit
  • Internal Charge Pump
  • NIS5020 and NIS5820 in WDFN10 3x3
  • NIS5021 in WDFN10 4x4
  • Hot Pluggable ESD HBM Rating: 1.5 kV
  • ESD CDM Rating: 1.0 kV
  • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
Typical Applications
  • Hard Drives
  • Solid State Drives
  • Servers
  • Mother Boards
  • Fan Drives



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