LTC4381HDKE-4#PBF

Surge Suppression ICS Overview

The LTC4381HDKE-4#PBF is a low quiescent current eFuse and surge stopper manufactured by Analog Devices Inc. It integrates an internal N-channel MOSFET with overcurrent and overvoltage protection capabilities. The device operates within a voltage range of 4 V to 80 V and supports a continuous current rating of 500 mA. It utilizes a DFN-32 package measuring 7 mm in length, 5 mm in width, and 0.75 mm in height. The component functions reliably across a temperature range from -40°C to +125°C.

Surge Suppression ICS Feature Summary

• Integrates an internal N-channel MOSFET for compact board-mount solutions
• Provides comprehensive overcurrent and overvoltage protection mechanisms
• Features low quiescent current operation suitable for power-sensitive applications

Surge Suppression ICS Applications

• Board mount surge protection systems
• Low quiescent current electronic fuse implementations
• High-side switch configurations requiring integrated protection

Surge Suppression ICS Procurement Notes

Verify the specific suffix #PBF against official Analog Devices documentation to confirm lead-free compliance and tube packaging status. Confirm availability through authorized distributors as supply constraints may apply. Ensure the DFN-32 package dimensions align with PCB footprint requirements before procurement.

Surge Suppression ICS Selection Notes

Select this component when integrating high-side switching with built-in fault protection is required. The 500 mA current rating and 80 V maximum voltage define the operational limits. Consider the DFN-32 package size for space-constrained designs requiring thermal performance within the specified industrial temperature range.

Surge Suppression ICS Part Context

This part belongs to the LTC4381 series of low quiescent current eFuses. It serves as an integrated solution combining power distribution and circuit protection functions. The series targets applications demanding robust surge suppression and efficient power management in small form factors.

Surge Suppression ICS Replacement Considerations

LTC4381ADKE-4#PBF