SMBJ4749A/TR13

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Introduction to SMBJ4749A/TR13

The SMBJ4749A/TR13 is a single Zener diode from the Diodes category of components. This diode belongs to the widely used package format called the SMB. The design of the SMB provides for a small size and low thermal resistance. This low resistance combined with this diode’s relatively small capacitance makes it ideal for a variety of applications.

Application Field and Working Principle of SMBJ4749A/TR13

The SMBJ4749A/TR13 is a Zener diode that is most commonly used as an efficient form of voltage regulation in various electronics circuits. Its most common application is in surge suppression circuits, where it is used to protect other components from voltage spikes. The diode can also be incorporated in the design of current limiting circuits and low-battery alert systems.

The SMBJ4749A/TR13 operates on a simple principle known as Zener breakdown. This is a phenomenon whereby a diode behaves as a short circuit when the voltage applied to it exceeds a certain level called the Zener breakdown voltage. When this occurs, the diode quickly conducts excess charge and dissipates it as heat. Therefore, the SMBJ4749A/TR13 can be used to regulate the voltage across a circuit.

The SMBJ4749A/TR13 is rated for use with voltage levels between 5.1 and 20V. Some models are available for higher voltage applications, up to 150V. When used with the correct voltage, the diode will allow current to flow through it until the breakdown voltage is reached. It will then conduct current from the positive terminal to the negative terminal, and any additional amount of current provided beyond the maximum rating will cause the diode to fail.

The SMBJ4749A/TR13 is available in several variations to fit specific applications. Models are available with maximum ratings from 5 - 150V, 1 - 200 nA, 1 - 500 nA and up to 1.5 mA. Temperature ranges also vary by model, but most can handle up to 175 degrees C.

Advantages of the SMBJ4749A/TR13

One major advantage of the SMBJ4749A/TR13 is its small size. This makes it ideal for use in space-constrained applications such as portable electronics or integrated circuits. Additionally, the low power requirements of these modules make them ideal for use in battery-powered devices.

The low thermal resistance of the package also increases the performance of the diode and improves its efficiency, making it more suitable for high-temperature applications. The diode’s low capacitance design further enhances its ability to regulate voltages accurately, making it a good choice for power management circuits.

Finally, the SMBJ4749A/TR13 is a reliable device and is designed to last for many cycles without failing. Its rugged construction makes it highly resistant to physical shock and vibration, ensuring a long service life.

Conclusion

The SMBJ4749A/TR13 is a single Zener diode from the Diodes category of components. It is designed to efficiently regulate voltages in a number of applications. Its small size, low thermal resistance and low power requirements make it well-suited for use in space-constrained and battery-powered devices. In addition, its reliability and low capacitance design contribute to its versatility in applications such as surge protection or power management.

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