BAT43W-E3-18

Single Diodes Overview

The BAT43W-E3-18 is a small signal Schottky diode manufactured by Vishay Semiconductors in the SOD-123 surface-mount package. It features a repetitive peak reverse voltage of 30 V and a forward continuous current rating of 300 mA. The device exhibits a maximum forward voltage of 1000 mV at 200 mA and a reverse recovery time of 5 ns. Electrical characteristics include a leakage current of 0.5 μA at 25 V and a diode capacitance of 7 pF at 1 V and 1 MHz. The component operates within a temperature range of -55 °C to +125 °C.

Single Diodes Feature Summary

• Features very low turn-on voltage and fast switching capabilities for general-purpose applications
• Protected by a PN junction guard ring against excessive voltage, such as electrostatic discharges
• Molding compound meets UL 94 V-0 flammability rating

Single Diodes Applications

• General purpose rectification
• ESD protection circuits

Single Diodes Procurement Notes

Verify the specific ordering code suffix to confirm packaging configuration. The '-18' suffix indicates units are supplied on a 13-inch reel with 10,000 taped units per reel. Confirm RoHS compliance status based on the base part number designation. Ensure the required minimum order quantity aligns with the specified reel packaging constraints.

Single Diodes Selection Notes

Select this component for applications requiring low forward voltage drop and rapid switching speeds. The SOD-123 package provides a compact footprint suitable for space-constrained designs. Verify that the 30 V reverse voltage rating accommodates the circuit's peak reverse voltage requirements. Consider the thermal resistance characteristics when designing heat dissipation strategies.

Single Diodes Part Context

This component belongs to the BAT42W/BAT43W series of small signal Schottky diodes from Vishay. The series offers variants with different electrical characteristics and packaging options. The E3 suffix denotes RoHS-compliant commercial grade construction. The product line includes AEC-Q101 qualified versions for automotive applications.

Single Diodes Replacement Considerations

BAT43W-E3-08 (Same device, different packaging)

Single Diodes FAQ

What is the function of the PN junction guard ring?

The PN junction guard ring protects the device against excessive voltage, such as electrostatic discharges.

What does the 'E3' suffix indicate in the part number?

The 'E3' suffix indicates that the base part number is RoHS-compliant and classified as commercial grade.