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75HQ040
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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 80A DO203AB
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：80A
- Voltage - Forward (Vf) (Max) @ If：740 mV @ 80 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：2 mA @ 40 V
- Capacitance @ Vr, F：-
- Mounting Type：Stud Mount
- Package / Case：DO-203AB, DO-5, Stud
- Supplier Device Package：DO-203AB (DO-5)
- Operating Temperature - Junction：-65°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 75HQ040 is a power Schottky rectifier diode designed for high-efficiency power conversion applications. It features an 80 A average forward rectified current rating and a 40 V repetitive peak reverse voltage. The device utilizes silicon technology and is housed in the DO-203AB (TO-3P) package, which facilitates robust thermal management through direct mounting to heatsinks. This component is engineered to minimize conduction losses and improve overall system efficiency in demanding power supply environments.
Feature Summary
- High current handling capability with 80 A average forward rectified current
- Low forward voltage drop characteristic for enhanced energy efficiency
- Robust thermal performance enabled by the DO-203AB metal tab package design
Applications
- DC-to-DC converter modules
- Power factor correction circuits
- Uninterruptible power supplies (UPS)
Procurement Notes
Verify RoHS compliance status as sources indicate non-compliance. Confirm package integrity upon receipt. Check datasheet for specific thermal resistance values required for your heatsink design. Ensure ordering suffix matches exact specifications. Validate supplier authenticity before purchase.
Selection Notes
Select this component when high current capacity and low forward voltage are critical. The DO-203AB package requires appropriate mounting hardware for optimal thermal dissipation. Compare total cost of ownership against efficiency gains. Ensure input voltage does not exceed the 40 V reverse voltage rating under all operating conditions.
Part Context
This part belongs to Microchip's power Schottky diode family, specifically optimized for high-current applications. It complements other devices in the HQ series, offering a balance between speed and current handling. The DO-203AB package is standard for industrial-grade power rectifiers requiring direct board or chassis mounting.
Replacement Considerations
Cross-reference with other 80 A, 40 V Schottky diodes in DO-203AB packages. Verify pinout compatibility and thermal resistance parameters. Ensure substitute parts meet the same current and voltage ratings. Check for any differences in forward voltage characteristics that might impact circuit efficiency.
