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Product Detailed Parameters
- Description：DIODE SCHOTTKY 40V 1A AXIAL
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 1N5819RLG is a Schottky barrier rectifier with a 40 V peak repetitive reverse voltage and a 1.0 A average rectified forward current rating. It utilizes chrome barrier metal and epitaxial construction within an axial lead DO-41 package (Case 59). The device features extremely low forward voltage, negligible switching losses due to majority carrier conduction, and avalanche capability. It operates within a junction temperature range of -65°C to +125°C.
Feature Summary
- Extremely low forward voltage drop for high efficiency
- Low stored charge resulting in negligible switching losses
- Avalanche capability specified for rugged operation
Applications
- Switch Mode Power Supplies
- High frequency DC to DC converters
- Free wheeling diodes
- Polarity protection circuits
Procurement Notes
Verify the specific ordering suffix 'RLG' against the manufacturer's official documentation to confirm tape and reel packaging specifications. Ensure compatibility with RoHS3 compliance requirements and check for any recent product discontinuance notifications or lifecycle status changes before finalizing procurement plans.
Selection Notes
Select this component for applications requiring low voltage drop and fast switching speeds at moderate currents. Consider thermal resistance characteristics and ambient operating temperatures when designing heat dissipation strategies. Verify that the 40 V reverse voltage rating provides sufficient margin for the specific circuit's peak inverse voltage conditions.
Part Context
This part belongs to the 1N581x series of axial lead Schottky rectifiers manufactured by onsemi. The series includes variants with different reverse voltage ratings, specifically 20 V, 30 V, and 40 V. The 1N5819 variant specifically addresses the 40 V requirement within this family of power diodes designed for general-purpose rectification.
Replacement Considerations
Consult the manufacturer's datasheet for officially recommended substitutes. Cross-reference electrical parameters such as forward voltage, reverse leakage current, and package dimensions to ensure functional equivalence in existing designs.
