SK3H15SMB-AQ

Single Diodes Overview

The SK3H15SMB-AQ is a high-temperature Schottky rectifier diode manufactured by Diotec Semiconductor. It features an average forward current of 3 A and a repetitive peak reverse voltage of 150 V. The device utilizes a DO-214AA (SMB) surface-mount package. Key electrical parameters include a maximum forward voltage of less than 0.82 V at 3 A and 25°C, with a typical junction capacitance of 80 pF at 40 V reverse bias. The component supports a peak forward surge current of 80 A under standard conditions and operates within a junction temperature range of -50°C to +175°C.

Single Diodes Feature Summary

• High-temperature capability with an extended operating junction temperature up to +175°C
• Low forward voltage drop for improved efficiency in power conversion applications
• Fast switching characteristics suitable for high-frequency rectification
• Automotive-grade qualification compliant with AEC-Q101 standards

Single Diodes Applications

• DC/DC converters
• Free-wheeling diodes in inductive load circuits
• Polarity protection circuits
• Power supply output rectification

Single Diodes Procurement Notes

Verify the specific ordering suffix '-AQ' to confirm automotive grade compliance and AEC-Q101 qualification status. Ensure the procurement documentation matches the exact part number SK3H15SMB-AQ to guarantee the specified high-temperature ratings and reliability standards are met for the intended application environment.

Single Diodes Selection Notes

Select this component when applications require robust performance at elevated temperatures exceeding standard commercial limits. The SMB package provides adequate thermal dissipation for 3 A continuous operation. Consider the low leakage current and fast recovery characteristics for efficient power management in compact designs requiring high reliability.

Single Diodes Part Context

This component belongs to the SK3H series of SMD High Temperature Schottky Rectifiers from Diotec Semiconductor. The series is designed to offer superior thermal stability compared to standard Schottky diodes. The 'SMB' designation indicates the DO-214AA surface-mount package, providing a balance between current handling capacity and board space efficiency.

Single Diodes Replacement Considerations

SK3H15SMB

Single Diodes FAQ

What is the maximum operating junction temperature for the SK3H15SMB-AQ?

The maximum operating junction temperature is +175°C.

Does the SK3H15SMB-AQ meet automotive standards?

Yes, the -AQ suffix indicates that the component is qualified according to the AEC-Q101 automotive standard.

What is the typical junction capacitance at 40 V reverse bias?

The typical junction capacitance is 80 pF at a reverse voltage of 40 V.