LTC4368IDD-2#WTRPBF

Surge Suppression ICS Overview

The LTC4368IDD-2#WTRPBF is a board-mount surge protector manufactured by Analog Devices Inc., designed for undervoltage, overvoltage, and reverse protection control with bidirectional circuit breaker functionality. It operates within a voltage range of 2.5 VDC to 60 VDC and features an adjustable voltage clamping threshold. The device utilizes external N-channel MOSFETs for switching and includes a circuit breaker threshold of ±50mV or +50mV/-3mV. It is housed in a DFN-10 package (3 mm x 3 mm) with SMD/SMT termination, supporting an operating temperature range from -40°C to +85°C.

Surge Suppression ICS Feature Summary

• Provides integrated undervoltage, overvoltage, and reverse polarity protection control
• Features bidirectional circuit breaker capability for overcurrent protection
• Utilizes external N-channel MOSFETs for high-voltage surge suppression
• Supports adjustable output voltage clamping thresholds via external resistors

Surge Suppression ICS Applications

• Automotive electronic systems requiring robust power line protection
• Industrial equipment needing reliable DC distribution safeguarding
• Energy storage systems demanding bidirectional current management
• Portable instrumentation protected against input voltage anomalies

Surge Suppression ICS Procurement Notes

Verify the specific suffix WTRPBF confirms tape-and-reel packaging compatibility with automated assembly lines. Ensure the bidirectional circuit breaker variant matches system requirements for dual-directional fault handling. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Validate that the DFN-10 footprint aligns with existing PCB layout constraints and thermal dissipation needs.

Surge Suppression ICS Selection Notes

Select this component when bidirectional overcurrent protection is required alongside standard UV/OV safeguards. The adjustable clamping feature allows customization for varying load sensitivity levels. Consider the external MOSFET requirement for managing higher power dissipation compared to integrated solutions. Evaluate the -40°C to +85°C operating range against environmental conditions to ensure long-term reliability in harsh industrial or automotive settings.

Surge Suppression ICS Part Context

This part belongs to the LTC4368 series of high-voltage surge suppressors from Analog Devices. It serves as a specialized controller for protecting sensitive loads from severe transient events on DC power lines. The series is engineered for applications where traditional protection methods are insufficient due to space or performance limitations.

Surge Suppression ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.