BAT54STQ-7-F

Overview

The BAT54STQ-7-F is a surface mount Schottky barrier diode manufactured by Diodes Incorporated, housed in an SOT-523 package. It features a peak repetitive reverse voltage of 30 V and a continuous forward current rating of 200 mA. The device exhibits a maximum forward voltage drop of 1 V at 100 mA and a maximum reverse leakage current of 2 µA at 25 V. Power dissipation is rated at 150 mW with a thermal resistance of 490 °C/W. It operates within a temperature range of -65 °C to +150 °C.

Feature Summary

• Designed with a PN junction guard ring for transient and ESD protection
• Qualified to AEC-Q101 standards for automotive reliability
• Totally lead-free and fully RoHS compliant construction
• Halogen and antimony free "Green" device

Applications

• Automotive electronics requiring specific change control
• DC-DC converters
• Power supply circuits

Procurement Notes

Verify the component against the official Diodes Incorporated datasheet DS40845 Rev. 2-2 to confirm authenticity. Ensure the marking code matches L4 for the BAT54STQ variant. Check for compliance with AEC-Q101 requirements if used in automotive contexts. Confirm packaging details align with the specified tape and reel carrier format.

Selection Notes

Select this component when a compact Schottky diode with high reliability is required. The SOT-523 package suits space-constrained designs. The AEC-Q101 qualification makes it suitable for automotive environments. Consider the 150 mW power dissipation limit and operating temperature range during thermal design.

Part Context

This part belongs to the BAT54TQ/STQ series of surface mount Schottky barrier diodes. It is manufactured in IATF 16949 certified facilities. The series is designed for applications demanding low turn-on voltage and fast switching capabilities. It serves as a specialized solution for modern electronic systems requiring robust performance in small form factors.

Replacement Considerations

BAT54TQ-7-F

FAQ

What is the total capacitance of the BAT54STQ-7-F?

The total capacitance is typically 10 pF at a DC reverse voltage of 10 V and a frequency of 1.0 MHz.

Is the BAT54STQ-7-F suitable for automotive applications?

Yes, it is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities, making it suitable for automotive applications requiring specific change control.

What is the non-repetitive peak forward surge current rating?

The non-repetitive peak forward surge current (IFSM) is rated at 600 mA for an 8.3 ms single half sine-wave superimposed on rated load.