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Product Detailed Parameters
- Description：DIODE SCHOTTKY 45V 30A U3
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：45 V
- Current - Average Rectified (Io)：30A
- Voltage - Forward (Vf) (Max) @ If：720 mV @ 20 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：100 µA @ 45 V
- Capacitance @ Vr, F：800pF @ 5V, 1MHz
- Mounting Type：Surface Mount
- Package / Case：3-SMD, No Lead
- Supplier Device Package：U3 (SMD-0.5)
- Operating Temperature - Junction：-65°C ~ 150°C
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Overview
The Microchip Technology 1N6845U3 is a silicon rectifier diode designed for low power applications. It features a maximum average forward output current of 30 A and a repetitive peak reverse voltage of 45 V. The device utilizes a ceramic, metal-sealed cofired package with three terminals in a surface-mount configuration. Key electrical characteristics include a maximum non-repetitive peak forward surge current of 400 A. The component is specified for single-phase operation with the cathode connected to the case.
Feature Summary
- Low power loss design
- Low leakage current
- High reliability construction
Applications
- Low power electronic circuits
- General purpose rectification
- Power supply input stages
Procurement Notes
Verify compliance status as the component is listed as not RoHS compliant. Confirm the specific package variant matches the required surface-mount footprint. Ensure the manufacturer designation aligns with current Microchip Technology specifications. Check for any updated environmental certifications or material declarations prior to final procurement decisions.
Selection Notes
Select this component when a high-current silicon rectifier with low forward voltage drop is required. The 30 A rating suits moderate to high power density designs. Consider the ceramic package for thermal stability. Verify that the 45 V reverse voltage rating meets the circuit's peak inverse voltage requirements without excessive derating margins.
Part Context
This part belongs to the standard rectifier diode family manufactured by Microchip Technology. It shares functional similarities with other high-current axial and surface-mount rectifiers but is distinguished by its specific ceramic packaging and 30 A current handling capability. It serves as a robust solution for general-purpose power conversion tasks.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with direct replacements only through official Microchip cross-reference tools.
