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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A AXIAL
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：20 V
- Current - Average Rectified (Io)：1A
- Voltage - Forward (Vf) (Max) @ If：450 mV @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：1 mA @ 20 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 1N5817RLG is a Schottky barrier rectifier in the 1N581x series, housed in an Axial Lead DO-41 package (Case 59). It features a peak repetitive reverse voltage of 20 V and supports an average rectified forward current of 1.0 A. The device exhibits a maximum instantaneous forward voltage of 0.45 V at 1.0 A and a non-repetitive peak surge current capability of 25 A. Operating junction temperatures range from -65°C to +125°C.
Feature Summary
- Employs Schottky Barrier principle with majority carrier conduction for low stored charge
- Utilizes chrome barrier metal and epitaxial construction for transient protection
- Designed for high efficiency with extremely low forward voltage drop
Applications
- Low-voltage, high-frequency inverters
- Free wheeling diodes
- Polarity protection circuits
Procurement Notes
Verify the specific ordering suffix 'RLG' corresponds to the Tape & Reel shipping configuration containing 5000 units per reel. Confirm that the component meets Pb-Free requirements as indicated by the '/C0071' marking or 'G' suffix designation within the official onsemi documentation.
Selection Notes
Select this component when a 20 V blocking voltage rating is required alongside a 1.0 A continuous current capacity. The DO-41 axial lead package facilitates through-hole mounting. Ensure thermal management accounts for the specified junction-to-ambient resistance values under expected operating conditions.
Part Context
This part belongs to the 1N5817, 1N5818, and 1N5819 family of Schottky barrier rectifiers manufactured by onsemi. While sharing identical mechanical dimensions and general electrical characteristics, the 1N5817 variant is specifically distinguished by its 20 V peak repetitive reverse voltage rating compared to higher voltage options in the series.
Replacement Considerations
Cross-reference with other manufacturers offering 1N5817 equivalents in DO-41 packages. Verify that substitute components maintain the same 20 V reverse voltage and 1.0 A forward current ratings to ensure circuit compatibility.
