JANTX1N4621UR-1

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Diodes - Zener - Single: JANTX1N4621UR-1 Application Field and Working Principle

The JANTX1N4621UR-1 diode is a single zener diode with a range of uses and applications. Due to its low zener voltage, compact packaging and low reverse leakage characteristics, it is a popular diodes for various applications. This diode falls under the category of low-power Zener diodes and can be used for protection, voltage regulation, current limiting and other power management needs.

The JANTX1N4621UR-1 is a 4.7 V Zener diode which is p-type silicon material housed in a hermetically sealed glass package. Its maximum power dissipation is 0.5W and it has a maximum allowable operating temperature of+200℃. This diode is also highly resistant to shock and vibration.

The principle of function of this diode is remarkably simple. When forward biased, a Zener diode behaves just like a normal diode and allows current to pass through it. However, when the bias is reversed and the voltage applied across the diode falls above what is known as its "zener voltage", the diode starts conducting current through it in the reverse direction. This phenomenon is known as zener breakdown. The zener voltage is the precisely-controlled breakdown voltage and the voltage at which the diode essentially reverses its operation.

In the JANTX1N4621UR-1, the zener voltage specified is 4.7 volts, though other zener diodes from the same manufacturer (Cypress Semiconductor) are available in various zener voltages from 1.8 volts to 200 volts. This diode is also suitable for regulating voltages of up to 8.5 volts.

Due to its low zener voltage, the JANTX1N4621UR-1 is particularly suitable for power management tasks. For example, it can be used in electronic circuits to prevent damage caused by excessive voltage spikes or overcharging of lithium-ion batteries. It can also be used to provide protection against electrostatic discharge (ESD). This diode can also be used in applications such as laser diode drivers to ensure safe and accurate regulation of output power.

The JANTX1N4621UR-1 is also a suitable component for voltage regulation and current limiting applications. It can be used for voltage regulation by providing a stable voltage reference for voltage regulators and current limiting circuits. By using the Zener breakdown of this diode, it is possible to control the current flowing through an electronic circuit even in the presence of voltage variations.

The JANTX1N4621UR-1 diode is a popular choice across many application fields due to its reliability and performance. As mentioned, this diode can be used in a range of applications such as voltage regulation, power management, current limiting, ESD protection, etc. Its low zener voltage also makes it suitable for consumer applications such as portable electronics and battery-powered equipment.

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