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Product Detailed Parameters
- Description：DIODE ARRAY GP 85V 250MA SOT-523
- Series：-
- Mfr：Comchip Technology
- Package：Tape & Reel (TR)
- Diode Configuration：1 Pair Common Cathode
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：85 V
- Current - Average Rectified (Io) (per Diode)：250mA
- Voltage - Forward (Vf) (Max) @ If：1.25 V @ 150 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：4 ns
- Current - Reverse Leakage @ Vr：100 nA @ 70 V
- Operating Temperature - Junction：-65°C ~ 150°C
- Mounting Type：Surface Mount
- Package / Case：SOT-523
- Supplier Device Package：SOT-523
- Grade：-
- Qualification：-
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Overview
The MMBD4448HTC-HF is a surface-mount fast switching diode array manufactured by Comchip Technology. It features two common anode diodes housed in an SOT-363 package. The device supports a maximum DC reverse voltage of 80V and an average rectified current of 250mA per diode. It exhibits a low forward voltage of 1.25V at 150mA and a rapid reverse recovery time of 4ns. The component operates within a junction temperature range of -65°C to 150°C, ensuring reliability in high-speed switching applications.
Feature Summary
- Fast switching speed with ultra-low reverse recovery time for efficient signal processing
- Dual common anode configuration providing compact circuit integration
- Low forward voltage drop to minimize power loss during conduction
- High thermal stability suitable for demanding operating environments
Applications
- General purpose high-speed switching circuits
- Signal demodulation and detection stages
- Clamping and protection in data lines
- Logic level shifting interfaces
Procurement Notes
Verify the specific suffix 'TC' against official Comchip Technology documentation to confirm tape and reel specifications or moisture sensitivity levels. Ensure the 'HF' designation aligns with required halogen-free compliance standards for your manufacturing process. Cross-reference the datasheet revision date to validate parameter accuracy before finalizing procurement orders.
Selection Notes
Select this component when space constraints require a dual-diode solution in a minimal footprint package. The 80V rating and 250mA current capacity suit low-power digital logic interfacing. Consider the 4ns reverse recovery time for applications requiring fast transient response. Verify that the SOT-363 thermal characteristics meet the system's heat dissipation requirements under continuous operation.
Part Context
This part belongs to the MMBD4448 series of surface mount fast switching diode arrays. Similar variants include MMBD4448HSDW and MMBD4448HADW from other manufacturers like Diodes Incorporated and Micro Commercial Components. These devices share core electrical characteristics but may differ in packaging details or specific manufacturer testing criteria.
Replacement Considerations
MMBD4448HSDW and MMBD4448HADW are functionally equivalent alternatives. Verify pinout compatibility and package dimensions (SOT-363) before substitution. Confirm that the replacement part meets the same 80V reverse voltage and 250mA current ratings.
