DSSK18-0025BS

Diodes – Rectifiers – Arrays: DSSK18-0025BS Application Field and Working Principle

DSSK18-0025BS is a diode-bridge rectifier commonly seen in various applications. It is part of Diodes Inc.’s DSnD series of components, and is suitable for use in ac applications, such as power supplies and power converters, as well as in automotive, industrial, and consumer electronics designs. This component is a four-terminal device, featuring two anodes and two cathodes, and is composed of two densely-packed dual Schottky diodes in a single package.

The device can be connected in a “traditional” full-wave rectifier configuration, or used in “flyback” and “LLC Resonant” AC-DC applications. It offers an operating temperature range of -40 to 85 ˚C, and can provide fast switching in response to changing AC input. It also offers surge protection and a low-voltage dropout.

schottky diodes have a variety of features that distinguish them from standard rectifiers. These include low capacitance, low forward voltage drop, high surge capability, fast switching speed, and high peak forward current capability. schottky diodes are particularly well-suited for AC applications, owing to the devices’ low leakage current and its ability to use a large value of forward voltage drop. As a result, schottky diodes are far more efficient at power rectification than traditional PN junction devices.

The DSSK18-0025BS is a four-terminal device, featuring two anodes and two cathodes, and is composed of two densely-packed dual Schottky diodes in a single package. Electrically, this device can be used as either a bridge rectifier or a four-diode array. An external capacitor placed across the output pins of the device provides surge current filtering, which helps to reduce AC ripple and provide a more regulated DC voltage.

As a bridge rectifier, the DSSK18-0025BS offers a full-wave rectified current, which is required for many ac applications. In this configuration, the anode and cathode of the two diodes are connected across the AC line. The currents are rectified, and the external capacitor provides the filtering. In this arrangement, the current flow is unidirectional.

As a four-diode array, the device provides two series-connected pairs of diodes, both with their anodes connected to one another and propagating DC current in both directions. The device is commonly used in this configuration in power supplies and load-sharing applications, where the current must be able to flow unrestricted in both directions.

In summary, the DSSK18-0025BS diode bridge rectifier is a versatile and efficient dual Schottky diode array for AC-DC applications. It can be used as a bridge rectifier or a four-diode array, and its low capacitance, low forward voltage drop, high surge capability, fast switching speed, and high peak forward current capability make it a suitable choice for a wide range of applications.