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Product Detailed Parameters
- Description：DIODE SCHOTTKY 20V 1A DO204AL
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Cut Tape (CT),Tape & Box (TB)
- 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：DO-204AL (DO-41)
- Operating Temperature - Junction：-65°C ~ 125°C
- Grade：-
- Qualification：-
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Overview
The Vishay 1N5817-E3/73 is a Schottky Barrier Plastic Rectifier in the DO-41 (DO-204AL) axial package. It features a maximum repetitive peak reverse voltage of 20 V and an average forward rectified current of 1.0 A at 90 °C lead temperature. The device exhibits a maximum instantaneous forward voltage of 0.450 V at 1.0 A and 0.750 V at 3.1 A. Peak forward surge current capability is 25 A for an 8.3 ms half-sine wave. Operating junction and storage temperatures range from -65 to +125 °C.
Feature Summary
- Guardring structure provides overvoltage protection
- Extremely fast switching with negligible switching losses
- Low forward voltage drop for small conduction losses
- Suitable for high frequency operation
Applications
- Low voltage high frequency inverters
- Freewheeling applications
- DC/DC converters
- Polarity protection
Procurement Notes
Verify the specific ordering suffix against official documentation, as it dictates the delivery mode and base quantity. Confirm that the component meets RoHS compliance standards and passes the JESD 201 class 1A whisker test requirements. Ensure the procurement matches the exact electrical ratings required for the target circuit design.
Selection Notes
Select this component when a low forward voltage drop and fast switching speed are critical for efficiency. The 20 V rating limits its use to low voltage circuits. Verify thermal management capabilities, as the device operates up to 125 °C. Consider the DO-41 through-hole package constraints during PCB layout.
Part Context
This part belongs to the Vishay 1N5817, 1N5818, and 1N5819 series of Schottky Barrier Plastic Rectifiers. All variants share identical mechanical data, including the DO-41 case and UL 94 V-0 flammability rating molding compound. They differ primarily in their maximum repetitive peak reverse voltage ratings.
Replacement Considerations
The 1N5818 offers a 30 V rating, and the 1N5819 offers a 40 V rating within the same series. These parts share the same 1.0 A current rating and DO-41 package but have different forward voltage drops.
