DB3J407K0L Discrete Semiconductor Products

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DB3J407K0L rectifier diodes are commonly used in a variety of electronics and power applications. The device is a single-phase diode bridge, which combines four diode anodes into a single package. The diode bridge rectifier is designed to convert AC input voltage to DC output voltage with certain voltage drops and rise times. In the application, the galvanic isolation between the AC power source and the DC output load is provided by the series connection of the four anodes. As such, the device provides full wave rectification without any additional voltage isolating elements.

The DB3J407K0L is most commonly used in buck, boost, or active power factor correction (PFC) circuits, which can be used in AC-DC power supplies for a variety of applications such as industrial power supplies, lighting power supplies, instrumentation, and driving motors. The device also finds its application in solar PV systems and telecommunications systems. In a buck or boost topology, the device is used to convert an AC input voltage to a regulated DC output voltage per required application. The device acts as a bridge rectifier and provides low conduction losses and low reverse recovery time. It also offers high dielectric strength and voltage stability for reliable operation.

The DB3J407K0LD device is also suitable for use in lighting power supplies or dímming ballasts, where its high peak power capability and its fast switching of the four anodes make it an effective rectifier when paired with appropriate control circuitry. The DB3J407K0L diode bridge rectifier can also be used in various industrial and instrumentation applications, such as motor controls, UPS systems, welding machines, and aviation power supplies.

The DB3J407K0L rectifier diode consists of four isolated rectifying anodes with a single common cathode. The capacitance between anodes is typically 0.6 pF or lower. The four rectifying anodes are driven by an internal high voltage power switch resulting in higher dV/dt capability than that of other discrete devices with similar ratings. The device features a surge capability rating of 400 watts (1.6 J) which enables the device to operate in a wide range of high-current, high-frequency switching applications. The diode bridge rectifier features an isolation voltage rating up to 600 Volts which allows it to be used in high voltage DC or AC power applications.

The device is available in a variety of form factors such as through-hole and surface mount versions for use with different printed circuit boards. The DB3J407K0L has an operating junction temperature range from -55°C to 125°C, allowing the device to be used in a variety of environmental conditions. The wide working temperature range of the diode bridge rectifier also allows for reliable operation for extended periods of time in extreme environmental conditions.

In summary, the DB3J407K0L rectifier diode is a four-anode single-phase diode bridge and is used for the conversion of AC input voltage to DC output voltage. It is designed for applications such as buck, boost and active power factor correction, lighting control, and industrial and instrumentation applications. The device features a surge capability rating of 400 watts, low dV/dt, and a wide operating junction temperature range of -55°C to 125°C.

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