DMN1008UFDF-7

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DMN1008UFDF-7 is a single n-channel enhancement mode field-effect transistor (FET). It is a power FET designed for high-current applications in audio-frequency power amplifiers and other environments requiring high efficiency at medium frequencies. The device is a common-source FET with an integrated gate-source resistor, which prevents oscillations during operation. This FET can handle up to a maximum drain current of 12 amperes and drain-source voltages up to 100 V.

The device is suitable for many audio-frequency applications. It is used in power amplifiers for home audio systems, for example as the main power output stage. It is also used in multi-channel power amplifiers for car audio applications, and in switching power supplies for commercial equipment. It is also used in high-current switching applications.

DMN1008UFDF-7 is a synchronous rectifier FET and operates on the principle of voltage-controlled resistance (VCR). As the name suggests, the applied gate-source voltage determines the resistance of the channel between the drain and source. This voltage can be anything from 0 to the maximum rating of the gate-source voltage. The larger the gate-source voltage, the larger the resistance. Generally, devices with higher VCR ratings can handle higher peak currents.

The device has been designed with a low on-resistance (RDSON) for high efficiency and low power consumption when operating at high frequencies. The device also has a low reverse-recovery charge, which reduces switching losses and the need for external snubber circuits.

The DMN1008UFDF-7 features built-in thermal cut-off protection, which prevents damage from over-temperature conditions. The protection circuit is activated when the device’s junction temperature rises above a specified limit. This feature allows for safe operation in environments where the ambient temperature may rise above the device’s specified maximum junction temperature.

The device also has a built-in EMI filter, which helps reduce electromagnetic interference (EMI) radiation by damping spurious and conducted emissions.

In summary, the DMN1008UFDF-7 is a single n-channel enhancement mode power FET designed for high-current applications in audio-frequency power amplifiers and other environments. It has a low on-resistance, a low power-on reverse-recovery charge, and integrated thermal cut-off protection and EMI filter. The device is suitable for use in various audio applications, such as power amplifiers, multi-channel power amplifiers, and switching power supplies.

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