MURS340HE3/9AT

Single Diodes Overview

The MURS340HE3/9AT is a surface-mount ultrafast plastic rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a glass passivated pellet chip junction and operates with a maximum repetitive peak reverse voltage of 400 V and a maximum average forward rectified current of 3.0 A at a lead temperature of 130 °C. The device exhibits an ultrafast reverse recovery time of 50 ns and supports a peak forward surge current of 125 A. It is housed in an SMC (DO-214AB) package, meets MSL level 1 requirements, and is AEC-Q101 qualified.

Single Diodes Feature Summary

• Ultrafast reverse recovery characteristics designed for high efficiency and low switching losses
• Glass passivated pellet chip junction providing robust reliability
• AEC-Q101 qualified for automotive applications
• High forward surge capability suitable for demanding power environments

Single Diodes Applications

• High frequency rectification in switching mode converters
• Freewheeling applications in inverters
• Consumer electronics power supplies
• Computer equipment power systems
• Automotive electronic modules
• Telecommunication infrastructure

Single Diodes Procurement Notes

Verify the specific ordering code to confirm compliance with RoHS standards and halogen-free status. Ensure the component matches the required AEC-Q101 qualification for automotive use cases. Confirm that the SMC package dimensions align with the target PCB footprint. Validate thermal management strategies against the specified junction-to-lead thermal resistance. Cross-reference datasheet revision dates to ensure access to the latest electrical parameters.

Single Diodes Selection Notes

Select this component when ultrafast switching speeds are critical to minimize energy loss in high-frequency circuits. The 400 V rating makes it suitable for standard AC-DC conversion stages. Consider the SMC package for automated placement efficiency in high-volume manufacturing. Evaluate the thermal derating curves to ensure reliable operation under varying ambient temperatures. Verify compatibility with the system's maximum allowable reverse leakage currents.

Single Diodes Part Context

This part belongs to the MURS series of ultrafast plastic rectifiers from Vishay. The HE3 suffix indicates RoHS compliance and AEC-Q101 qualification, while the 9AT suffix specifies the reel packaging format. It shares the same mechanical outline as other devices in the DO-214AB family but offers distinct electrical performance optimized for fast recovery applications.

Single Diodes Replacement Considerations

MURS340-E3/9AT

Single Diodes FAQ

What is the maximum operating junction temperature for the MURS340HE3/9AT?

The maximum operating junction temperature is 175 °C.

Does the MURS340HE3/9AT meet automotive qualification standards?

Yes, the HE3 variant is AEC-Q101 qualified for automotive applications.

What is the typical reverse recovery time specified for this diode?

The typical reverse recovery time is 50 ns under standard test conditions.