JAN1N4971D

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The JAN1N4971D is a zener diode commonly used for the application of voltage regulation and for the clamping of transient voltage. A zener diode is a two terminal active component that is used for the same purpose of a voltage regulator but differs in the sense that instead of generating a steady output voltage like a voltage regulator, the zener diode creates a stable voltage under varying input voltage. The JAN1N4971D has excellent surge capability, low noise, and high stability against both temperature and time.

The working principle of a zener diode involves allowing only reverse bias current, meaning that a larger current passes through the diode in one direction than the other. This reverse bias current is the basis for the breakdown voltage of the diode, the voltage at which reverse current flow begins. This type of breakdown usually occurs in a sparkover region. This sparkover region begins at the zener voltage and ends where the current suddenly increases. Generally, the higher the breakdown voltage, the greater the current that can be passed through it.

In application, the most common use for a JAN1N4971D is for reverse voltage protection. This type of protection prevents high voltages from damaging the device and keeps it from damaging other components in the circuit. This protection is provided because the JAN1N4971D will conduct when the voltage that is applied to it exceeds its reverse breakdown voltage. By conducting, the voltage is limited to the specified zener voltage of the diode. This protects the components from being exposed to dangerous voltages that could possibly cause damage.

Another application for the JAN1N4971D is voltage clamping. This type of application is used to protect a device from the harmful effects of transient spikes of voltage. A transient is a short burst of voltage or current. It is usually a very short-lasting event, usually of a few microseconds or less. When a transient is applied to a circuit, the JAN1N4971D responds quickly and begins to conduct, reducing the amount of voltage that is delivered to the circuit. This helps to avoid the damage that can be caused by these high voltage transients.

Finally, the JAN1N4971D is also used for regulating a voltage source. It acts as a voltage limiter by allowing more current to pass through in one direction than the other. This limits the amount of voltage that is passed to the circuit. In this case, the JAN1N4971D acts as a voltage regulator and provides a controlled voltage to the circuit.

In conclusion, the JAN1N4971D is a versatile component that is commonly used for multiple types of applications. It can be used for reverse voltage protection, voltage clamping, and voltage regulation. Its efficient design makes it a popular choice for engineers looking for a reliable and cost-effective component for these types of applications.

The specific data is subject to PDF, and the above content is for reference