1N4004

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The 1N4004 diode is a silicon rectifier and part of the 1N400x line of diodes. It is a single bi-directional diode, mainly intended for general purpose use in both power supply and signal circuits. It is an affordable, dependable and versatile diode with some distinct capabilities. The 1N4004 diode is suitable for high-efficiency power conversions, where it offers reduced conduction losses with minimal heat dissipation.

It has a typical 1A continuous forward current and peak reverse voltage of 400V. The 1N4004 diode is also capable of withstanding surge currents of up to 30A, making it suitable for many power electronic applications and providing reverse protection for power circuits.

The 1N4004 diode comes in a variety of package styles, including axial and digital packages, making it suitable for a wide range of projects and applications. Its miniature size also makes it well suited for use in portable and/or limited space designs.

The working principle of a 1N4004 diode is relatively simple. When forward-biased, a current flows, allowing the current to pass through and powering the circuit. When reverse-biased, no current flows and the circuit is protected.

The 1N4004 diode is most commonly used in AC applications such as power supplies, battery chargers, and motor speed controllers. It can also be used as a rectifier in low-power circuits, such as those found in light dimmers, radar detectors, and power meter circuits. Additionally, it can be used as an over-voltage protection diode and as an EMI filter as well.

The 1N4004 diode is a versatile, durable, and inexpensive component, which makes it a popular choice for different projects and applications. It is ideal for any application where a bi-directional silicon rectifier with a continuous forward current of 1A and a surge current of up to 30A is needed. With its varying package styles and miniature size, the 1N4004 diode is quite easy to source for all sorts of projects.

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