BAT54S-HE3_A-18

Overview

The Vishay BAT54S-HE3_A-18 is a dual serial Schottky barrier diode in an SOT-23 package. It features a repetitive peak reverse voltage of 30 V and a continuous forward current rating of 200 mA. The device exhibits a maximum forward voltage of 800 mV at 100 mA and a reverse recovery time of 5 ns. It operates within a temperature range of -55 °C to +125 °C, with a storage range up to +150 °C. The component is AEC-Q101 qualified and packaged on a 13-inch reel.

Feature Summary

• Dual serial configuration for compact circuit integration
• PN junction guardring protection against excessive voltage stress
• Molding compound meets UL 94 V-0 flammability rating

Applications

• Ultra high-speed switching circuits
• Line termination applications
• Voltage clamping functions
• Reverse polarity protection

Procurement Notes

Verify the specific HE3 suffix ensures AEC-Q101 qualification as documented. Confirm the -18 suffix corresponds to the 13-inch reel packaging format. Validate RoHS compliance status through official Vishay documentation before procurement.

Selection Notes

Select this component for designs requiring low capacitance and fast switching speeds. Ensure the 30 V reverse voltage rating accommodates peak circuit voltages. Verify thermal management requirements against the specified power dissipation limits on FR-4 boards.

Part Context

This part belongs to the Vishay BAT54 series of small signal Schottky diodes. The series includes single and dual configurations such as BAT54A, BAT54C, and BAT54S. These devices are designed for surface mount applications utilizing the SOT-23 case style.

Replacement Considerations

BAT54S-E3-18 serves as the commercial grade equivalent without automotive qualification. Other manufacturers offer generic BAT54S variants; verify pinout and electrical parameters match datasheet specifications.