1N5818 Datasheet PDF – 30V, 1A, Diode, Rectifier – Vishay

Part Number: 1N5818, 1N5817 thru 1N5819

Function: 30V, 1A, Rectifier, Diode

Package: DO-204AL, DO-41 Type

Manufacturer: Vishay Semiconductors

Image and Pinouts:

1N5818 datasheet


What is 1N5818?

This is 30V, 1A, Schottky Barrier Rectifier.  The 1N5818 has a maximum reverse voltage rating of 30V and a maximum forward current rating of 1A. It is housed in a DO-41 package, which is a popular through-hole package for diodes.

1N5818 is a Schottky diode that is designed for use in high-speed switching applications. It has a low forward voltage drop and a fast switching speed, making it suitable for use in power supplies, voltage regulators, and other circuits where fast switching is required.


• Guardring for overvoltage protection

• Very small conduction losses

• Extremely fast switching

• Low forward voltage drop

• High frequency operation

• Solder dip 275 °C max. 10 s, per JESD 22-B106


Other data sheets are available within the file: IN5817, IN5818, IN5819

1N5818 vs 1N4007?

1. Forward voltage drop:

The typical forward voltage drop of the 1N5818 is around 0.5V, while the typical forward voltage drop of the 1N4007 is around 0.7V.

2. Maximum voltage and current ratings:

The 1N4007 can handle a maximum reverse voltage of 1000V, while the 1N5818 has a maximum reverse voltage rating of 30V. However, the 1N5818 has a higher maximum forward current rating than the 1N4007.

3. Switching speed:

The 1N5818 is a Schottky diode, which means it has a faster switching speed than the 1N4007. This makes it more suitable for use in high-frequency applications.

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