BAV199HMFHT116

Overview

The BAV199HMFHT116 is a low-leakage switching diode manufactured by ROHM Semiconductor, designed for automotive applications in compliance with the AEC-Q101 standard. It features a series connection configuration within an SSD3 (SOT-23) package. Key electrical parameters include a maximum reverse voltage of 80 V and a peak repetitive reverse voltage of 100 V. The device supports an average rectified forward current of 0.215 A and a peak forward surge current of 4.0 A. Forward voltage is specified at 1.25 V at 150 mA, while reverse current is limited to 0.005 µA at 75 V. The junction temperature range extends from -65°C to 150°C.

Feature Summary

• Low leakage current characteristics suitable for precision switching applications
• Automotive-grade reliability certified under AEC-Q101 standards
• Compact surface-mount SSD3 package design for space-constrained layouts

Applications

• General purpose switching circuits in automotive electronics
• Protection stages for sensitive signal lines requiring low leakage
• High-reliability industrial control systems

Procurement Notes

Verify the specific ordering suffix to ensure correct packaging and tape specifications. Confirm that the component meets the required AEC-Q101 qualification level for your target application environment. Check the supply status as this part may be subject to production lifecycle changes or obsolescence notices. Ensure compatibility with existing PCB footprints designated for the SSD3 package type.

Selection Notes

Select this component when low reverse leakage current is critical for circuit performance. The AEC-Q101 certification makes it suitable for automotive environments where high thermal stability and long-term reliability are mandatory. Compare the 80 V reverse voltage rating against system operating voltages to ensure adequate margin. Consider the SOT-23 package constraints regarding thermal dissipation and physical space availability on the board.

Part Context

This part belongs to the BAV199 series of switching diodes from ROHM Semiconductor. The series is characterized by fast recovery times and low leakage, making it distinct from general-purpose rectifiers. The HMFH variant specifically denotes the SSD3 package and tape-and-reel packaging format. It serves as a specialized solution for automotive and high-reliability industrial markets requiring robust semiconductor components.

Replacement Considerations

The BAV199HYFH is listed as a similar level replacement with the same pinout and package. Verify that the HYFH variant maintains identical electrical characteristics and AEC-Q101 certification before substitution. Ensure that any alternative component matches the SSD3 footprint and thermal requirements.