1N4745A B0G

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Diodes - Zener - Single are electronic components used to regulate the voltage. The 1N4745A B0G is an example of these components, designed to be robust and to maintain tight voltage tolerance at high temperatures.

It is an avalanche-rating Zener diode, which has a nominal breakdown voltage of 6.2V with 4.7V minimum and 6.8V maximum. Its datasheet suggests a maximum power dissipation of 600mW at 25°C and 500mW at 125°C.

Its application field is mainly in power regulation, voltage stabilization and voltage reference in AD-DC converters and is generally used in portable equipment and in automotive systems. Due to its LOW resistance and temperature stability, it is suitable for high reliability applications.

The working principle is relatively simple, as it stands a lot on the same basis as other Zener diodes. It consists of a diode and a resistor in series, so when the voltage across the diode is greater than the Zener voltage threshold, the diode will conduct, allowing current to flow across its two terminals.

When the current exceeds the Zener voltage, the diode starts to conduct in the reverse direction, allowing for the current to be regulated. The resistor in series prevents Zener diodes from becoming damaged due to excessive current, allowing for a regulated current flow.

1N4745A B0G is designed to maintain a regulated and temperature-stable current flow. It contains a low-impedance path which helps preventing sudden voltage drops, along with its design at the interface which ensures voltage reference at high temperatures. As stated in their datasheet, the device shows a voltage reference of 6.2V (4.7V minimum, 6.8V maximum) when exposed to a maximum power dissipation of 600mW at 25°C and 500mW at 125°C.

Overall, the 1N4745A B0G is a suitable device for applications that require high reliability and a temperature stable voltage reference, such as AD-DC converters and automotive systems.

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