MMBD4448HSDWHE3-TP

Overview

The MMBD4448HSDWHE3-TP is a small signal switching diode array manufactured by Micro Commercial Components (MCC). It features two common anode pairs housed in an ultra-small SOT-363 surface mount package. The device is AEC-Q101 qualified and designed for general-purpose switching applications. Key electrical parameters include a maximum repetitive peak reverse voltage of 80V, a forward continuous current of 500mA, and a non-repetitive peak forward surge current of 4.0A. It exhibits a typical reverse recovery time of 4ns and operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Fast switching speed with low reverse recovery time
• Ultra-small surface mount package for space-constrained designs
• High conductance and power dissipation capabilities
• Halogen-free "Green" device compliant with RoHS standards

Applications

• General purpose switching circuits
• Automotive electronics systems
• High-speed digital logic interfaces
• Signal rectification in compact devices

Procurement Notes

Verify the authenticity of the component by checking for authorized distributor status or direct purchase from MCC. Ensure the ordering suffix matches the required packaging configuration, such as Tape & Reel quantities. Confirm that the specific variant aligns with the intended application requirements regarding voltage ratings and thermal performance before finalizing procurement.

Selection Notes

Select this component when a dual common anode configuration is required in a minimal footprint. The SOT-363 package offers significant size reduction compared to traditional discrete packages. Consider the AEC-Q101 qualification if the application involves automotive environments. Evaluate the thermal resistance and power dissipation limits relative to the expected operating conditions to ensure reliable long-term performance.

Part Context

This part belongs to the MMBD4448HSDW series of fast switching diode arrays. It shares functional similarities with other SOT-363 packaged diodes but is distinguished by its specific internal common anode structure and AEC-Q101 automotive qualification. The series is designed to replace larger discrete diode arrangements in modern electronic assemblies requiring high density.

Replacement Considerations

MMBD4448HTWHE3-TP

FAQ

What is the internal circuit configuration of the MMBD4448HSDWHE3-TP?

The device contains two independent diodes configured with a common anode arrangement.

Is the MMBD4448HSDWHE3-TP suitable for automotive applications?

Yes, the component is AEC-Q101 qualified, making it suitable for automotive electronic systems.

What is the maximum operating junction temperature for this diode array?

The maximum operating junction temperature is +150°C.