LTC4381IDKE-2#TRPBF

Overview

The LTC4381IDKE-2#TRPBF is a board mount surge protector manufactured by Analog Devices Inc. It operates within a voltage range of 4 VDC to 72 VDC and features a low quiescent current consumption of 12 uA. The component utilizes an SMD/SMT termination type and is housed in a DFN-32 package measuring 7 mm in length, 5 mm in width, and 0.7 mm in height. It supports a capacitance value of 47 nF and functions as a Low Icc, 1A Surge Stopper. The device is designed for use in automotive, avionics, and industrial applications, with a specified operating temperature range from -40 C to +85 C.

Feature Summary

• Provides on-board surge protection for power distribution lines
• Features ultra-low quiescent current consumption for energy efficiency
• Integrates high-voltage tolerance up to 72 VDC

Applications

• Automotive electronic systems
• Avionics power distribution
• Industrial control equipment

Procurement Notes

Verify the specific suffix designation against official documentation to confirm tape-and-reel packaging configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Ensure the part number matches the exact electrical specifications required for the target application circuit design.

Selection Notes

Select this component when designing circuits requiring robust surge suppression with minimal standby power draw. Consider the DFN-32 package dimensions for PCB layout constraints. Evaluate the 4 VDC to 72 VDC input range compatibility with the system's power supply architecture before integration.

Part Context

This part belongs to the LTC4381 series of current surge stoppers produced by Analog Devices Inc. It serves as a specialized power management IC designed to protect downstream components from transient voltage events. The series offers various package options and current ratings to suit different power distribution needs.

Replacement Considerations

LTC4381ADKE-2#PBF