BAT54ST-7-F-2477

Overview

The BAT54ST-7-F-2477 is a Schottky barrier diode manufactured by Diodes Incorporated. It features a dual series configuration housed in an SOT-523-3 surface-mount package. The device utilizes silicon technology and supports a maximum average forward rectified current of 200 mA. It withstands a repetitive peak reverse voltage of 30 V with a maximum forward voltage drop of 1 V at rated current. Reverse leakage current is limited to 2 µA, and the unit dissipates up to 150 mW of power. Operating temperatures range from -65 °C to +150 °C.

Feature Summary

• Dual series Schottky barrier diode configuration for efficient signal processing
• Low forward voltage drop characteristic for minimal power loss
• High thermal stability supporting extended operating temperature ranges

Applications

• RF mixing and detection circuits
• Power supply clamping and protection
• Logic level shifting applications

Procurement Notes

Verify the specific suffix against official manufacturer documentation to confirm exact packaging and reel specifications. Confirm RoHS compliance status through the latest datasheet revision. Ensure the component matches the required automotive or industrial qualification standards if applicable to the design. Cross-reference the ordering code with the manufacturer's current product lifecycle notifications to avoid obsolescence risks during procurement.

Selection Notes

Select this component when a low-capacitance, high-speed switching diode is required in a compact footprint. The dual series arrangement allows for common cathode or independent configurations within a single package. Evaluate the thermal dissipation requirements against the 150 mW limit. Consider the SOT-523-3 package dimensions for PCB layout constraints compared to larger alternatives.

Part Context

This part belongs to the BAT54 family of small-signal Schottky diodes designed for high-frequency applications. The BAT54ST variant specifically denotes the dual series configuration in the SOT-523 package. This family is widely used in consumer electronics and communication devices where space efficiency and fast switching speeds are critical design parameters.

Replacement Considerations

BAT54S-7-F

FAQ

What is the internal configuration of the BAT54ST?

The BAT54ST contains two Schottky diodes connected in series.

What is the maximum junction temperature for this device?

The maximum operating junction temperature is +150 °C.

Does this component support AEC-Q101 automotive qualification?

Standard BAT54ST parts are not inherently AEC-Q101 qualified; verify specific automotive-grade variants like the BAT54STQ if required.