CDBU40-HF

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Diodes are semiconductor devices used to allow current to flow in a single direction. Rectifiers are diodes that convert alternating current (AC) to direct current (DC). A single rectifier is a single diode that has a single anode and a single cathode, and it functions as a unidirectional electronic switch (which is the main rectifier type).

The CDBU40-HF is a Fast Recovery Rectifier Diode, and it falls into the category of single rectifiers. It is specifically designed to provide low forward voltage and fast reverse recovery time. The CDBU40-HF is widely used in automotive, telecommunication, personal computer, and other consumer electronics applications, such as: microwave ovens and air conditioners.

In automotive electronics and other applications, the CDBU40-HF can be used for: surge suppression, rectification, voltage regulation and free-wheeling circuits.

The CDBU40-HF is a fast-recovery rectifier, meaning it has a fast turn-off and fast reverse recovery time. When the voltage across it exceeds the peak reverse voltage, the diodes break-down and conduct current. When the polarity of the voltage across the diodes is reversed, the diode turns off, and the stored charge is quickly delivered to the load circuit. This fast reverse recovery time ensures less power dissipation and, in turn, greater efficiency.

At a typical operating temperature of 25°C, the typical average forward current of the CDBU40-HF is 1.52A and the peak forward surge current is 180A. The reverse recovery time is 1.5 microseconds. Additionally, the CDBU40-HF features an operating temperature range of -40°C to 175°C, which makes it suitable for high-temperature applications.

The maximum forward standing voltage of the CDBU40-HF is 1.2V which ensures low voltage losses and high efficiency in power systems. Additionally, it features a dielectric strength rating of 1500V, giving it the necessary protection against transients and voltage spikes.

In terms of construction, the CDBU40-HF is a lead free and RoHS compliant device with a very small form factor. It is housed in a SOD-123 package, with a total weight of 2.466mg. It is also UL rated 94V-0, meaning it meets all the safety requirements for use in a variety of environments.

The CDBU40-HF is a high-speed rectifier diode that is specifically designed to provide fast reverse recovery time, high efficiency and 3.2A average forward current. The CDBU40-HF is widely used in automotive, telecommunications, personal computers and other consumer electronics applications where high efficiency and fast switching is required.

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