MMBD4448TW_R1_00001

Overview

The MMBD4448TW is a surface mount switching diode manufactured by Panjit International Inc. It features a SOT-363 plastic case and operates with a maximum repetitive peak reverse voltage of 100V and an average forward current of 200mA. The device supports a maximum surge forward current of 4A and has a power dissipation rating of 200mW at 25°C. Electrical characteristics include a maximum reverse leakage current of 5µA, a typical junction capacitance of 4pF, and a maximum reverse recovery time of 0.4ns.

Feature Summary

• Fast switching speed suitable for high-frequency applications
• High conductance performance
• Electrically identical to standard JEDEC specifications
• Surface mount package designed for automatic insertion

Applications

• General purpose switching circuits
• Automatic insertion assembly processes
• Standard electronic component integration

Procurement Notes

Verify the specific packing code suffix in the part number to confirm reel size and orientation. Confirm RoHS compliance status as indicated by the version code. Ensure the ordering quantity matches the manufacturer's specified tape and reel packaging requirements. Cross-reference the datasheet revision date against the delivered documentation to ensure technical accuracy.

Selection Notes

Select this component when a small signal switching diode with fast recovery characteristics is required in a compact SOT-363 footprint. Consider the 100V reverse voltage rating and 200mA continuous current limits for circuit design. Evaluate the low junction capacitance for high-speed signal integrity requirements.

Part Context

This component belongs to the family of surface mount switching diodes produced by Panjit International Inc. It utilizes advanced manufacturing techniques to achieve high conductance and fast switching speeds within a lead-free, halogen-free green molding compound compliant with IEC61249 standards.

Replacement Considerations

The datasheet states the device is electrically identical to standard JEDEC specifications. Verify pinout compatibility and thermal resistance parameters before substituting with other SOT-363 switching diodes from different manufacturers.

FAQ

What is the maximum reverse recovery time for the MMBD4448TW?

The maximum reverse recovery time (TRR) is 0.4 nanoseconds.

Is the MMBD4448TW compliant with environmental directives?

Yes, the terminals are lead-free in compliance with EU RoHS 2011/65/EU directive, and it uses a green molding compound that is halogen-free per IEC61249 Std.

What is the typical junction capacitance of this diode?

The typical junction capacitance (Cj) is 4 picofarads, measured at VR=0 and f=1MHz.