JAN1N2825B

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• JAN1N2825B Application Field and Working Principle

JAN1N2825B is a Zener diode, which is a single diode type. Zener diodes are primarily used to provide a regulated voltage in applications where other forms of regulation are not required. The diode itself is a p-n junction diode, which is made from a material such as silicon. When the diode is forward biased, current will flow from the anode to the cathode and the voltage across the diode is determined by the voltage drops across the p-n junctions. When the diode is reverse biased, current will not flow, but the diode’s voltage remains the same.

JAN1N2825B is designed to provide a low impedance path for reverse currents in the range of 0.5 Volts to 50 Volts. The diode\'s maximum continuous operating voltage is 55 V and its power dissipation is 150 mW. The maximum current capacity of the diode is 95 mA. Additionally, the JAN1N2825B has a low capacitance making it suitable for applications requiring fast switching and waveform shaping. The diode is available in a through hole or SMD package and has a maximum reverse leakage current of 2 µA.

JAN1N2825B is well suited for voltage clamping and has applications in power supply design, voltage regulation, voltage references and voltage clamping. It is widely used in AC/DC switching power supplies, Zener clamp circuits and transient voltage suppressors (TVSs).

The working principle of JAN1N2825B starts with the p-n junction diode, as mentioned before. When the reverse voltage across the diode is less than the Zener voltage, the diode behaves as an insulator and no current passes through it. However, when the reverse voltage exceeds the Zener voltage, a large quantity of current begins to pass through it. This current is the Zener current and its value is independent of the voltage applied to the diode. This current is usually much higher than the normal reverse leakage current. The Zener voltage of the diode is determined by the characteristics of the material used to make the diode.

In addition to its usage as a voltage regulator, JAN1N2825B can also be used as a voltage clamp. In this application, the diode is connected in series with a load, such as a voltage amplifier. When the voltage across the diode and the load reaches the Zener voltage, the diode conducts and a large amount of current passes through it, clamping the voltage across the load to the Zener voltage.

JAN1N2825B can also be used in a Zener clamp circuit. In this application, the diode is connected in series with a resistor. When the voltage across the diode and resistor reaches the Zener voltage, the diode will conduct and will clamp the voltage across the resistor to the Zener voltage. This circuit is used to provide protection against over voltages and transients.

JAN1N2825B is a versatile diode which can be used in a variety of applications. It is designed to provide a low impedance reverse current, a low capacitance and a wide voltage range. The diode can be used in a variety of applications such as power supplies, voltage regulation, voltage references and voltage clamping. Additionally, its low capacitance makes it suitable for applications requiring fast switching and waveform shaping. The JAN1N2825B is an ideal choice for applications requiring durable, reliable and cost-effective power solutions.

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