TZM5249B-GS18

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Diodes - Zener - Single

The TZM5249B-GS18 is a single Zener diode. It is used to protect electrical components from damage due to high voltage conditions by diverting the excess voltage away from the protected components. Zener diodes can also be used in voltage regulation and signal processing applications.

Application Field

Zener diodes such as the TZM5249B-GS18 are typically used in many different applications. The most common uses for the diode include overvoltage/undervoltage protection and voltage regulation. The TZM5249B-GS18 is also used in signal processing applications such as modulating a signal or noise cancellation. Additionally, the Zener diode can be used in a variety of industrial and automotive applications.

Working Principle

The TZM5249B-GS18 works by blocking voltage until a certain threshold is reached. Once this threshold is reached, the diode begins to conduct current until the voltage drops back below the threshold. This allows the excess voltage to be diverted away from the protected components, protecting them from damage.

The TZM5249B-GS18 will conduct in the forward direction when a voltage greater than the diode\'s breakdown voltage is applied. Above this breakdown voltage, the diode will become a controlled conductor and let current pass through. When the voltage is lower than the breakdown voltage, the Zener diode will become a high impedance, blocking current from passing through.

Structural Characteristics

The TZM5249B-GS18 is a SOD-123 package, making it very small in size and easy to mount. The diode has a maximum power dissipation of 0.5W, a maximum operating temperature of 125°C, and a reverse breakdown voltage of 5.6V. The diode also has a maximum surge current of 1.3A, making it well suited for overvoltage protection applications.

Advantages and Disadvantages

The TZM5249B-GS18 provides many advantages over other types of diodes. It is small and easy to mount and is capable of withstanding higher voltages, making it ideal for many applications. Additionally, the Zener diode has a higher surge current, making it better suited for handling overvoltage conditions than other types of diodes.

One disadvantage of the TZM5249B-GS18 is that it can only handle currents up to 1.3A, making it unsuitable for high current applications. Additionally, the diode has a fixed breakdown voltage, making it unsuitable for use in applications where the voltage may vary over a wide range.

Conclusion

The TZM5249B-GS18 is a single Zener diode used for overvoltage/undervoltage protection and voltage regulation. The diode is small and easy to mount and is capable of withstanding higher voltages than other types of diodes. The TZM5249B-GS18 also has a higher surge current than other types of diodes, making it better suited for handling overvoltage conditions. The diode does have some disadvantages, including lower current handling capabilities and a fixed breakdown voltage, but it is still an excellent choice for many applications.

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