BU4341FVE-TR

Overview

The BU4341FVE-TR is a CMOS low voltage detector manufactured by ROHM Semiconductor, designed for supervisory circuit applications. It features an adjustable reset delay timer and operates within a supply voltage range of up to 7 V. The device provides a detection threshold voltage of 4.1 V with a precision of ±1%. It utilizes a VSOF-5 surface-mount package and supports an operating temperature range from -40°C to +125°C. The output type is specified as CMOS, and the unit does not include manual reset or watchdog timer functionalities.

Feature Summary

• CMOS output structure for digital logic interfacing
• Adjustable external reset delay timer configuration
• High accuracy under-voltage detection at 4.1 V threshold
• Extended industrial temperature operation capability

Applications

• Microprocessor system power monitoring
• Battery-operated device voltage supervision
• Embedded controller reset signal generation
• Portable electronic equipment power management

Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance documentation matches current regulatory requirements. Validate package marking against official datasheet specifications to prevent counterfeit substitution. Ensure storage conditions adhere to moisture sensitivity level guidelines prior to reflow soldering processes.

Selection Notes

Select this component when a fixed 4.1 V detection threshold is required with CMOS output compatibility. The adjustable delay feature allows customization for specific startup timing needs without additional external components. Consider the VSOF-5 package dimensions for PCB layout constraints. Verify that the absence of manual reset functionality aligns with system design requirements.

Part Context

This part belongs to the BU42(43)xxFVE series of voltage detectors from ROHM Semiconductor. The series offers various detection thresholds tailored for different power rail monitoring applications. The BU4341 variant specifically targets the 4.1 V detection point within this family lineup.

Replacement Considerations

BD5240G-1 is listed as a similar level replacement with the same pinout configuration. Verify electrical parameter compatibility before implementation.