MMBD4448HSDW-TP

Overview

The MMBD4448HSDW-TP is a dual small-signal switching diode manufactured by Micro Commercial Components in an SOT-363 surface-mount package. It features a peak reverse voltage of 80 V and a maximum forward current of 500 mA. The device exhibits a fast recovery time of 4 ns, with a forward voltage of 1.25 V at rated current and a reverse leakage current of 100 nA. It supports a maximum surge current of 4 A and operates within a temperature range of -65°C to +150°C.

Feature Summary

• Dual configuration for compact circuit integration
• Fast switching speed suitable for high-frequency applications
• Ultra-small surface mount package design

Applications

• General purpose switching circuits
• High-speed signal processing
• Clamping and protection applications

Procurement Notes

Verify the specific suffix HSDW against the manufacturer's official datasheet to confirm pinout and electrical tolerances. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the SOT-363 footprint dimensions with your PCB layout guidelines before finalizing procurement decisions.

Selection Notes

Select this component when a dual-diode solution is required in a minimal footprint. The 80V rating and 500mA current capacity define its operational limits. Consider the 4ns recovery time for timing-sensitive designs. Compare thermal dissipation characteristics against alternative packages if power constraints are critical.

Part Context

This part belongs to the MCC MMBD4448 series of surface-mount switching diodes. It shares functional similarities with other dual diode arrays but distinguishes itself through the specific SOT-363 packaging and 80V voltage rating. The series is designed for general-purpose applications requiring reliable fast switching performance in space-constrained environments.

Replacement Considerations

MMBD4448DW-TP-HF is a documented substitute from the same manufacturer offering similar specifications.