MMBD4448HTA-TP

Overview

The MMBD4448HTA-TP is a surface-mount switching diode manufactured by Micro Commercial Components in an SOT-523 package. It features a repetitive peak reverse voltage of 80V and a forward continuous current rating of 500mA. The device exhibits a maximum reverse recovery time of 4ns and a power dissipation capacity of 150mW. Operating junction temperatures range from -65°C to +150°C, with a thermal resistance of 833°C/W.

Feature Summary

• Fast switching speed for general purpose applications
• Ultra-small surface mount package design
• High conductance and power dissipation capabilities
• Halogen-free 'Green' device compliant with RoHS standards

Applications

• General purpose switching circuits
• High frequency signal processing
• Power supply rectification stages

Procurement Notes

Verify the component authenticity through authorized MCC distributors or direct procurement channels to avoid counterfeit risks. Confirm the specific ordering suffix matches the required packaging quantity of 3000 pieces per reel. Ensure the datasheet revision aligns with current manufacturing specifications before finalizing orders.

Selection Notes

Select this component when space constraints require an ultra-small SOT-523 footprint alongside fast switching requirements. The 80V reverse voltage rating suits low-voltage signal handling tasks. Consider the 150mW power dissipation limit for thermal management in dense circuit layouts.

Part Context

This part belongs to the MMBD4448HT series, which includes variants like HT, HTC, and HTS within the same SOT-523 form factor. The series is designed for high-speed switching applications requiring compact surface-mount solutions. All variants share identical electrical characteristics but differ in internal configuration or marking codes.

Replacement Considerations

Direct replacements include other MMBD4448HT series parts such as MMBD4448HT-7-F from Diodes Incorporated, provided the SOT-523 package and 80V/500mA ratings are compatible.