0070.3521.B1

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TVS - Varistors, MOVs are components in digital circuits that protect sensitive electronic components from electrical spikes or overvoltage. 0070.3521.B1 is one of the TVS - Varistors, MOVs, its application field and working principle are discussed in this paper.

Introduction to 0070.3521.B1

0070.3521.B1 is non-polar voltage switch TVS - Varistor, MOVs. It is developed for protecting the low voltage circuit from being damaged or destroyed by short lightning spikes, and AC surges up to 400V. The device covers a broad operating temperature range of -40°C to 85°C, is RoHS compliant and REACH. Besides, B1 is light and easy to install with its LCP or PC housing, making it an ideal choice for applications such as home appliances, industrial equipments, computers and networking communications.

Application Field of 0070.3521.B1

0070.3521.B1 can be used for suppressing, damping, or transferring electrical current or voltage in many different electrical applications. It can act as a voltage divider or an electrical line isolator, eliminating sudden power fluctuations and protecting mass-produced electronic components in digital circuitry. It can also help to protect surge currents in power electronics such as loudspeakers, relays, motor starters and other sensitive electronic components, particularly those that have been exposed to the elements.

Working Principle of 0070.3521.B1

The working principle of 0070.3521.B1 is by using the nonlinearity of the resistance-voltage characteristic. The resistance of thevaristor decreases with increasing voltage, allowing higher voltages to be more easily absorbed. Due to its nonpolarity, both positive and negative short lightning spikes are subtracted in the same manner. When the voltage exceeds the clamping voltage of the varistor, the varistor will conduct current, transferring power away from the sensitive electronic components and into the ground. This effectively limit the output voltage.

Conclusion

TVS - Varistors, MOVs are widely used for protecting sensitive electronic components from electrical spikes or overvoltage. 0070.3521.B1 is non-polar voltage switch, can be used for suppressing, damping, or transferring electrical current or voltage. The working principle of B1 is by using the nonlinearity of the resistance-voltage characteristic, to limit the output voltage. All in all, the 0070.3521.B1 can be a reliable, cost-effective solution for protecting ungrounded electronic components.

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