BZW04-145B R1G

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TVS (Transient Voltage Suppression) Diodes are a kind of devices which combine the function of a diode and a voltage suppressor. The BZW04-145B R1G has a wide range of application fields and working principles.

In essence, TVS Diodes protect components from voltage transients caused by lightning, electrical contact, or other similar events. BZW04-145B R1G is designed to protect components from overvoltage in low-voltage circuit by using bi-directional transient voltage suppression. Its minimum breakdown voltage is 14V with a standoff voltage of 13.5V. The maximum peak pulse power dissipation is 250W with a clamping voltage of 33V. It features a small SMD package to provide a space-saving solution.

The BZW04-145B R1G is suitable for a wide range of applications, such as strong transient voltage or strong overvoltage protection in portable electrical equipment, automotive circuit designs, and security systems. It is also typically used in the protection of radio equipment from interference, power supply modules, and other fields.

When it comes to its working principle, the BZW04-145B R1G will quickly clamp the excess voltage when the transient voltage exceeds its peak-pulse power rating. The device has an avalanche breakdown at a certain minimum breakdown voltage to divert overcurrent through its low series impedance path. The low-impedance path clamps the voltage until the overvoltage has been removed.

The fast response time and low clamping voltage (VBR) of the BZW04-145B R1G make it an ideal solution for various protection applications. Moreover, the device features passivated heatsink surfaces for improved tolerances to temperature and other environmental conditions. This makes it well-suited for use in harsh environments, such as automotive applications.

In conclusion, the BZW04-145B R1G is a versatile TVS diode designed for transient voltage and overvoltage protection. It features small SMD package, fast response time, low clamping voltage, and passivated heatsink surfaces for various applications. With the many benefits of the BZW04-145B R1G, it is clear to see why it is a popular choice in the field of transient voltage suppression.

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