STMicroelectronics 1N5818 Schottky Rectifier, 30V 1A, DO-41
STMicroelectronics 1N5818 Schottky rectifier, 30V 1A, for high-efficiency power supplies, DC converters & inverters. Low 875mV forward drop.
The STMicroelectronics 1N5818 is an axial low-drop power Schottky rectifier designed for high-performance electronic applications. It is specifically engineered for use in SWITCHMODE™ power supplies and high-frequency DC to DC converters, making it an ideal choice for modern, efficient power management systems.
This rectifier is intended for critical roles in low voltage, high frequency inverters, free-wheeling circuits, polarity protection, and small battery chargers. Its design focuses on minimising energy loss, offering very small conduction losses and negligible switching losses, which contributes to higher overall system efficiency.
Key Advantages
- Extremely fast switching capabilities allow for operation in high-frequency circuits without performance degradation.
- A low forward voltage drop of just 875mV maximises power delivery and reduces heat generation.
- Avalanche capability is specified, providing an added layer of robustness against voltage transients.
With a repetitive peak reverse voltage of 30V and an average forward current of 1A, this single-diode configuration in a through-hole DO-41 (DO-204AL) package is a reliable and widely used component in industrial and power management contexts.
Typical Applications
- SWITCHMODE™ power supplies
- High-frequency DC to DC converters
- Low voltage, high frequency inverters
- Free-wheeling (flyback) diode applications
- Polarity protection circuits
- Small battery charger circuits
Its compact axial package and proven performance make the 1N5818 a fundamental component for designers seeking efficiency and reliability in demanding electronic environments.
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