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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 1A AXIAL
- Series：-
- Mfr：onsemi
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：600 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 40 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Supplier Device Package：Axial
- Operating Temperature - Junction：-65°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The onsemi 1N5819G is a Schottky Barrier Rectifier with a 40 V peak repetitive reverse voltage and a 1.0 A average rectified forward current. It utilizes chrome barrier metal and epitaxial construction for low stored charge and majority carrier conduction. The device operates within a junction temperature range of -65°C to +125°C, featuring a maximum non-repetitive peak surge current of 25 A. Packaged in the DO-41 axial lead case (Case 59), it offers extremely low forward voltage drop and negligible switching losses.
Feature Summary
- Employs Schottky barrier principle with chrome barrier metal and epitaxial construction
- Features majority carrier conduction resulting in low stored charge
- Provides extremely low forward voltage and negligible switching losses
- Includes avalanche capability specification
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 package type and shipping configuration. Confirm that the component meets required environmental standards and Pb-Free specifications as defined in the datasheet. Ensure thermal management aligns with the specified junction-to-ambient resistance values for the intended mounting method.
Selection Notes
Select this component for applications requiring fast switching speeds and low power loss at low voltages. Consider the 40 V rating relative to circuit peak reverse voltages and ensure the 1.0 A current capacity matches load requirements. Evaluate thermal performance using the provided junction-to-ambient resistance data for the specific PCB mounting style.
Part Context
This part belongs to the 1N581x series of axial lead rectifiers from onsemi, which includes variants with different voltage ratings such as the 1N5817 and 1N5818. These devices share similar mechanical characteristics and manufacturing technologies but differ in their maximum reverse voltage capabilities.
Replacement Considerations
Compatible substitutes include other manufacturers' 1N5819 equivalents or onsemi variants like the 1N5819RL for reel packaging. Verify electrical parameters match before substitution.
