BZW50-68B Circuit Protection

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TVS - Diodes

TVS - Diodes refer to transient voltage suppression diodes, used to protect integrated circuits (ICs) and other sensitive devices from surges in voltage. In the world of electronics, TVS diodes are used to limit the voltage applied to sensitive electrical components in order to protect them from such situations. One common type of TVS diode is the BZW50-68B.

BZW50-68B Application Field

The BZW50-68B TVS diode is a bipolar junction transistor (BJT) with a breakdown voltage of 32 volts and a load current rating of 1amp. It is normally used in general-purpose DC and AC transient protection in high-voltage circuits across devices connected to digital and analog signals. As such, it is most commonly used in power supplies, communications systems, and automotive equipment.

Working Principle of the BZW50-68B

The BZW50-68B relies on a principle known as the avalanche effect. This principle states that when a voltage is applied to a diode\'s junctions that is greater than the breakdown voltage of the diode, current will flow through it. The diode will then begin to act like a resistor, limiting and suppressing the voltage. This helps to protect components from overvoltage and can help prevent system crashes due to power sur

When the voltage reaches the breakdown point, the BZW50-68B will start to conduct current. The diode\'s internal construction is such that current will be allowed to flow through up to a certain point, at which time the highest breakdown voltage of the diode is reached. Once the voltage is reach that maximum, the diode will act like an open circuit, allowing current to flow freely, but limiting the voltage across the component.

During operation, the BZW50-68B works by conducting current only at a certain level, and then abruptly stopping current flow when the breakdown voltage is reached. This helps to protect other components from overvoltage, and can help to prevent system crashes due to power surges.

Conclusion

The BZW50-68B TVS diode is a valuable protection tool in the electronic world. It is an important device for protecting sensitive ICs and other sensitive equipment from power surges. It is commonly used in power supplies, communications systems, and automotive equipment. It relies on an avalanche effect to limit and suppress voltage, while still allowing a certain amount of current to flow through. By effectively limiting the voltage across a component, it can help to prevent serious damage to sensitive equipment and prolong their life.

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