KDZTR3.9A Discrete Semiconductor Products

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The KDZTR3.9A is a single zener diode which is primarily used in voltage regulation applications. The diode is rated to have a Zener voltage of 3.9V and with a power dissipation of 500mW, it is suitable for use in a wide range of environments.

This diode’s main features include: low current consumption; excellent temperature stability; and low reverse leakage current. Moreover, the diode is designed with a low capacitance package design to ensure a low noise output and excellent isolation properties.

The KDZTR3.9A diode is used, in general, to provide a regulated voltage supply to small devices. Typically, it will be used in a voltage regulator circuit which regulates the output of a power supply to the required voltage level. The diode operates by providing a voltage path to the circuit when an overvoltage is detected.

The KDZTR3.9A operates on a simple principle: when a voltage above the rated zener voltage is applied to the anode of the zener diode, the diode will be reverse biased and current will begin to flow in the reverse direction. This creates a stabilizing effect on the output voltage, keeping it at or near the zener voltage and preventing it from exceeding that value.

The KDZTR3.9A is also suitable for use in shunt regulators, analog circuits, current limiters, and low power comparators. In surge suppression applications, the diode is capable of providing short circuit and overload protection.

In addition to providing a regulated voltage supply, the KDZTR3.9A can also be used to protect against ESD (electrostatic discharge) and transient over-voltages. The anode connection of the diode is connected to the circuit line, while the cathode connection is connected to ground. If a transient voltage spike is detected, the diode will be forward biased and the current will flow through the diode and protect the circuit.

The KDZTR3.9A performs very efficiently in voltage regulating applications and is typically used in conjunction with other components to improve its performance. It is a cost-effective solution for small devices which require a reliable and stable supply of power.

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