V47ZA20P

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TVS (Transient Voltage Suppression) devices, such as Varistors, MOVs, are widely used in industrial and consumer electronics to protect micro-controllers, logic circuits, and other sensitive components from the over-voltage destructive surges. The V47ZA20P series varistor is a kind of zinc oxide nonlinear element developed on the basis of the traditional MOV, which is characterized by its wide operating temperature range and the high withstand voltage. It is therefore suitable for use in more than one application field.

V47ZA20P is particularly suitable for the protection of low voltage circuits, such as those used in consumer electronics, automotive electronics, communications, solar energy, etc. It is also an ideal choice for the protection of medium and low voltage circuits, such as those used in switching power supplies, lighting and other electrical appliances. Besides, V47ZA20P is also suitable for the protection of LED lighting systems and AC/DC power circuits.

The V47ZA20P series varistor has a high surge withstanding capability and it ensures that the sensitive components can withstand a certain level of surge current without any damage or failure. As its operation temperature ranges from -55° C to 150° C, it can work in a wide temperature range and can be used in harsh environments.

The working principle of V47ZA20P is quite simple: it works by dissipating excessive voltages and currents by means of a nonlinear electrical characteristic, so that the sensitive components can survive from impulses which could otherwise cause failures. When an over-voltage or surge current is applied to the V47ZA20P, the electricity will be discharged through the varistor, thus reducing the excessive voltage to a safe level. In this way, the sensitive components can be protected from electrical damage or failure.

Moreover, V47ZA20P can be used in reverse-biased condition, so it is also suitable for applications such as LED lighting. This feature makes it possible to control the LED current by simply adjusting the voltage. It is also particularly suitable for various applications, such as DC power supplies, lighting, switches, and solar energy.

In conclusion, V47ZA20P is a reliable and cost-effective option for the protection of low and medium voltage circuits, LED lighting systems and AC/DC power applications. It has a high surge withstanding capability and a wide operating temperature range, and works by dissipating the excessive voltages and currents through its nonlinear electrical characteristic, thus protecting the sensitive components from getting damaged or failure.

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