JAN1N5711UR-1

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Single diodes are widely used in power systems as electrostatic protection, rectification and automatic control. The single diode is usually applied to the symmetrical three-phase full-wave rectifier circuit, which can realizing the freewheeling current or supplying power to the load. In general, single diodes are categorized typically as one rectifier diode, two rectifier diodes, three rectifier diodes, and four rectifier diodes. An example of a single diode is the JAN1N5711UR-1. This diode is mainly used for AC to DC rectification, voltage clamping, voltage multipliers for high voltage generation, and in RF and optical communications for signal mixing. In these applications, the direct current (DC) and alternating current (AC) powers are both effectively maintained.

The main working principle of single diode which represented by the JAN1N5711UR-1 is fairly simple. The diode has a cathode terminal and an anode terminal, and it passes a current in one direction -- from the cathode to the anode. To be more exact, the current flows from the anode to the cathode when forward biased and the current will inversely flow from the cathode to the anode when reverse biased. When the diode is forward biased, a certain minimum amount of voltage needs to be applied across the terminals. This voltage is known as the forward voltage or the threshold voltage (Vf).

When the diode is forward biased, the junction between the p-type and n-type materials effectively creates a hole in the crystal which is known as a depletion layer. This depletion layer is almost electrically neutral and no further current can be flowing through it. The current will flow through the depletion layer and continue to flow until it reaches the anode. The current that can flow through the diode is then proportional to the amount of voltage applied to its terminals. The maximum amount of current that can flow in the diode is known as its peak current rating.

The reverse voltage rating is the maximum voltage (in the reverse direction) that can be applied to the diode before it breaks down. The JAN1N5711UR-1 has a reverse voltage rating of 200V. When the diode is reverse biased, most of the current will flow from the anode to the cathode and the flow of current is limited only by the resistance of the depletion layer. When the external voltage exceeds the reverse voltage rating, then the diode will break down and most of the current will flow through it.

The JAN1N5711UR-1 has a forward peak current rating of 1.0A, a forward voltage rating of 1.0V @ 1A, a reverse voltage rating of 200V, and a reverse leakage current rating of 5mA. The JAN1N5711UR-1 can be used in many applications including AC to DC rectification, voltage clamping, voltage multipliers for high voltage generation, and in RF and optical communications for signal mixing. Therefore, the main application field and working principle of single diode represented by the JAN1N5711UR-1 can be summarized as follows.

• Mainly used for AC to DC rectification.
• Used for voltage clamping.
• Used for voltage multipliers for high voltage generation.
• Used in RF and optical communications for signal mixing.
• The current flows from the anode to the cathode when forward biased.
• The current will inversely flow from the cathode to the anode when reverse biased.
• A certain minimum amount of voltage (Vf) needs to be applied across the terminals to create a diode effect.
• A depletion layer is created when the diode is forward biased that restricts the further flow of current.
• The peak current rating of the diode determines the maximum amount of current that can flow though it.
• The reverse voltage rating limits the amount of voltage (in the reverse direction) that can be applied to the diode before it breaks down.
• The forward peak current rating of the JAN1N5711UR-1 is 1.0A, the forward voltage rating is 1.0V @ 1A, the reverse voltage rating is 200V, and the reverse leakage current rating is 5mA.

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