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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 3A AXIAL
- Series：-
- Mfr：onsemi
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：3A
- Voltage - Forward (Vf) (Max) @ If：525 mV @ 3 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：2 mA @ 40 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-201AA, DO-27, Axial
- Supplier Device Package：Axial
- Operating Temperature - Junction：-65°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The onsemi 1N5822G is a Schottky barrier rectifier featuring a 40 V peak repetitive reverse voltage and a 3.0 A average rectified forward current. It utilizes chrome barrier metal and epitaxial construction within a DO-201AD axial lead package. The device exhibits an extremely low maximum instantaneous forward voltage of 0.950 V at 3.0 A and a maximum reverse current of 2.0 mA at rated DC voltage. Operating junction temperatures range from -65°C to +125°C, with a non-repetitive peak surge current rating of 80 A.
Feature Summary
- Employs Schottky Barrier principle for majority carrier conduction
- Features extremely low forward voltage drop for high efficiency
- Includes avalanche capability specified in datasheet
- Utilizes oxide passivation and metal overlap contact geometry
Applications
- Low-voltage, high-frequency inverters
- Free wheeling diodes
- Polarity protection circuits
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm packaging configuration and compliance status. Confirm that the component meets all applicable environmental regulations required for the intended deployment environment before finalizing procurement decisions.
Selection Notes
Select this component for applications requiring low power loss and fast switching characteristics. Ensure the circuit design accounts for thermal runaway boundaries when operating at reverse voltages exceeding 0.1 times the working peak reverse voltage. Validate performance under actual load conditions using provided thermal resistance data.
Part Context
This part belongs to the 1N582x series of axial lead rectifiers manufactured by onsemi. The 'G' suffix indicates a Pb-Free package compliant with RoHS standards. The series includes variants with different voltage ratings, sharing identical physical dimensions and general electrical characteristics suitable for general-purpose rectification tasks.
Replacement Considerations
Direct substitutes include 1N5822-E3/51 (Vishay) and 1N5822RL (STMicroelectronics). Verify pinout compatibility and thermal resistance values when replacing components in existing designs.
FAQ
What is the maximum instantaneous forward voltage at 3.0 A?
The maximum instantaneous forward voltage is 0.950 V at an forward current of 3.0 A.
Is the 1N5822G suitable for high-frequency operation?
Yes, it is ideally suited for use as rectifiers in low-voltage, high-frequency inverters due to its majority carrier conduction and low stored charge.
