BAT42W-HE3_A-08

Single Diodes Overview

The BAT42W-HE3_A-08 is a small signal Schottky diode manufactured by Vishay Semiconductors in an 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 leakage current of 0.5 μA at 25 V. Electrical characteristics include a reverse recovery time of 5 ns and a diode capacitance of 7 pF at 1 MHz. Thermal resistance from junction to ambient air is 420 K/W on an FR-4 board, with a maximum operating 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
• Moisture Sensitivity Level (MSL) 1

Single Diodes Applications

• General purpose rectification
• Clamping applications
• Protection against electrostatic discharge

Single Diodes Procurement Notes

Verify the specific ordering code BAT42W-HE3_A-08 against the manufacturer's official documentation to confirm AEC-Q101 qualification status and RoHS compliance. Ensure that the SOD-123 package dimensions and soldering footprint recommendations are compatible with the target PCB design. Cross-reference thermal resistance values under actual operating conditions to validate power dissipation limits.

Single Diodes Selection Notes

Select this component when a low forward voltage drop and rapid switching speed are required in a compact surface-mount form factor. The AEC-Q101 qualification makes it suitable for automotive environments where reliability standards are stringent. Consider the 30 V reverse voltage limit and 300 mA continuous current capacity to ensure adequate headroom for the intended circuit load and transient conditions.

Single Diodes Part Context

This part belongs to the BAT42W/BAT43W series of small signal Schottky diodes from Vishay Semiconductors. The HE3 suffix indicates RoHS compliance and AEC-Q101 qualification, distinguishing it from commercial grade variants. The _A-08 suffix specifies the tape and reel packaging configuration containing 3000 units per 7-inch reel.

Single Diodes Replacement Considerations

BAT42W-E3-08

Single Diodes FAQ

Is the BAT42W-HE3_A-08 qualified for automotive applications?

Yes, the HE3 suffix indicates that the device is AEC-Q101 qualified.

What is the maximum operating junction temperature?

The maximum junction temperature is 125 °C.