MMBD4448HAQW-7

Overview

The MMBD4448HAQW-7-F is a surface-mount fast switching diode array manufactured by Diodes Incorporated. It features four common-anode diodes housed in an SOT-363 package. The device supports a maximum repetitive reverse voltage of 80V and a continuous forward current of 500mA per element. Key electrical parameters include a maximum reverse recovery time of 4ns, a total capacitance of 3.5pF, and a power dissipation rating of 200mW. It operates within a temperature range of -55°C to +150°C.

Feature Summary

• Fast switching speed with low reverse recovery time
• Low forward voltage drop for high conductance
• Low reverse leakage current at elevated temperatures
• AEC-Q101 qualified for automotive reliability

Applications

• General-purpose switching applications
• Automotive electronics requiring specific change control
• High-speed signal processing circuits

Procurement Notes

Verify the exact ordering suffix '-7-F' corresponds to the tape and reel packaging configuration specified in the datasheet. Confirm that the 'HAQW' designation matches the required quad common-anode configuration and SOT-363 footprint. Ensure compliance with RoHS and halogen-free requirements if mandated by your assembly specifications.

Selection Notes

Select this component when a compact quad diode array is needed for high-speed switching. The AEC-Q101 qualification makes it suitable for automotive environments. Compare thermal resistance and package size against alternatives like the HCQW or HADW variants to ensure compatibility with your PCB layout and thermal management strategy.

Part Context

This part belongs to the MMBD4448 series of surface-mount fast switching diode arrays from Diodes Incorporated. The series includes various configurations such as dual, triple, and quad arrangements in SOT-353 and SOT-363 packages. The HAQW variant specifically denotes the quad common-anode configuration optimized for general-purpose and automotive applications.

Replacement Considerations

MMBD4448HCQW-7-F (Dual Common Anode, SOT-353)

FAQ

Is the MMBD4448HAQW-7-F suitable for automotive applications?

Yes, the MMBD4448HAQW is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities, making it suitable for automotive applications requiring specific change control.

What is the maximum reverse recovery time for this device?

The maximum reverse recovery time (trr) is 4.0 ns, measured under conditions of VR = 6V and IF = 5mA.

Does the device have a low capacitance characteristic?

Yes, the total capacitance (CT) is maximized at 3.5 pF, measured at VR = 6V and f = 1.0MHz, which supports high-speed switching performance.