JANS1N4971US

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The JANS1N4971US is a device of the Diodes - Zener - Single type. It is designed specifically to limit the voltage applied to a circuit. The device operates on the principle of the Zener effect, where a reverse biased diode will conduct when a voltage equal to its breakdown voltage is reached.

The JANS1N4971US is designed to handle up to 20V of operating voltage. It is capable of dissipating up to 200mW of power and is rated for a maximum reverse voltage of 5.6V. It is also rated for an average peak forward current of 200mA. The device\'s design incorporates a temperature-stabilized Zener breakdown voltage of 4.2V.

The JANS1N4971US is most commonly used as a voltage reference in applications such as automated test equipment, power supplies, and monitoring systems. It is also used in oscillator circuits and is adept at providing voltage regulation in power supplies with dynamic loads.

A typical application circuit for the JANS1N4971US shows the device connected between a signal source and ground. A load resistor is connected in series between the signal source and the anode of the device. A reverse bias of 4.7V can be applied to the device to guarantee a regulated output voltage of 4.2V. The load resistor is selected to guarantee an adequate voltage drop that keeps the current through the device within the specified limits.

The JANS1N4971US is designed to protected itself against typical overvoltages and operating conditions. It has at temperature coefficient of -6.7mV/°C which helps keep the output voltage stable across temperature variations. It can also tolerate brief overloads and overvoltage conditions due to its exceptionally low dynamic impedance.

In summary, the JANS1N4971US is a Zener diode from the Diodes - Zener - Single family of devices, designed for applications where voltage regulation is needed. It is capable of handling 20V of operating voltage, dissipating up to 200mW of power, and has a maximum reverse voltage of 5.6V. It is most commonly used as a voltage reference in automated test equipment, power supplies, and monitoring systems. With its temperature stabilized Zener breakdown voltage of 4.2V, and temperature coefficient of -6.7mV/°C, it is an ideal solution for providing voltage regulation in dynamic loads with fluctuating temperatures and overvoltage conditions.

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