B190BQ-13-F

Overview

The B190BQ-13-F is a high voltage Schottky barrier rectifier manufactured by Diodes Incorporated. It features an average rectified output current of 1.0 A and a peak repetitive reverse voltage of 90 V. The device exhibits a maximum forward voltage drop of 0.79 V at 1.0 A and a maximum leakage current of 0.5 mA at rated voltage. It operates within a temperature range of -65°C to +150°C and utilizes an SMB (DO-214AA) surface-mount package.

Feature Summary

• Guard ring die construction provides transient protection capabilities
• Low power loss and high efficiency characteristics suitable for low voltage drop applications
• Qualified to AEC-Q101 standards for automotive reliability requirements
• Lead-free finish with RoHS compliance and halogen/antimony-free composition

Applications

• Polarity protection diode circuits
• Re-circulating diode configurations
• Blocking diode implementations
• DC-DC converter stages
• AC-DC conversion systems

Procurement Notes

Verify the specific part number B190BQ-13-F against official Diodes Incorporated documentation to confirm electrical parameters and packaging details. Ensure compatibility with automated assembly processes and check for AEC-Q101 qualification status if automotive application is required. Confirm RoHS compliance and environmental specifications prior to procurement.

Selection Notes

Select this component for applications requiring a 90 V reverse voltage rating and 1.0 A continuous current capability in a compact SMB package. Consider the low forward voltage drop for efficiency optimization in low voltage systems. Verify thermal management requirements given the junction-to-terminal thermal resistance and operating temperature limits specified in the datasheet.

Part Context

This component belongs to the B170BQ-B1100BQ series of high voltage Schottky barrier rectifiers from Diodes Incorporated. The series offers various reverse voltage ratings from 70 V to 100 V while maintaining consistent current handling and package dimensions. These parts are designed for surface mount technology and are suitable for automated assembly processes in consumer and industrial electronics.

Replacement Considerations

Compatible substitutes within the same series include B170BQ-13-F, B180BQ-13-F, and B1100BQ-13-F. These alternatives share identical mechanical dimensions and current ratings but differ in their peak repetitive reverse voltage specifications. Ensure the replacement voltage rating meets or exceeds the circuit requirements.

FAQ

What is the maximum non-repetitive peak forward surge current?

The maximum non-repetitive peak forward surge current is 30 A for a single half sine-wave lasting 8.3 ms superimposed on the rated load.

Is the B190BQ-13-F suitable for automotive applications?

Yes, the B190BQ-13-F is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities, making it suitable for automotive applications requiring specific change control.

What is the typical thermal resistance from junction to terminal?

The typical thermal resistance from junction to terminal is 25 °C/W, provided that terminals are kept at ambient temperature.