V320LA40BP

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The V320LA40BP is an advanced silicon-oxide-nitride-oxide-silicon (SONOS) voltage-dependent varistor (VDR) utilizing SAC231 MegaVERL structure. A Voltage Dependent Resistor (VDR) is a specialized transistor with two terminals. It has a range of electrical properties which make it particularly useful in applications which require transient voltage suppression such as circuit protection, power line, and noise filtering. Its high working voltage, low leakage current, and fast response time make it suitable for a wide range of applications including power and communication equipment, motor control, switch mode power supplies, automotive systems and medical equipment. It is also suitable for sensitive circuit protection as well as noise immunity.

V320LA40BP Application Field

The V320LA40BP is mainly used for Voltage Dependent Resister (VDR) applications where protection against surge voltages is needed. It also has several benefits over other traditional voltage-dependent resistors such as lower leakage current, lower capacitance, faster response time, greater surge voltage immunity, and higher surge peak current rating. In addition, it offers a wide range of working voltages and provides an optimal solution for overvoltage protection. The V320LA40BP is highly suitable for the protection of sensitive circuit elements such as motor controls, automotive systems, power supplies, communication equipment, and medical equipment.

V320LA40BP Working Principle

The V320LA40BP utilizes the SiON (silicon-oxide-nitride-oxide-silicon) SAC231 MegaVERL structure. This unique structure allows for extremely low voltage operation, a low leakage current, and a fast response time. The V320LA40BP is constructed with a breakdown voltage ranging from 12V to 40V and withstanding up to 55V of surge voltage. The internal circuit is composed of two silicon controlled rectifiers (SCR) which are connected in parallel and triggered when an increase in voltage is applied. As the voltage rises, the breakdown voltage of the device triggers the SCR and a current flow begins. This flow is shifted from one SCR to the other resulting in a positive resistance characteristic and a large voltage drop across the device. This voltage drop serves to quickly reduce the voltage and protect the circuit.

Conclusion

The V320LA40BP is an advanced voltage-dependent resistor (VDR) device suitable for a wide range of applications requiring protection against surge voltages. It utilizes the SiON (silicon-oxide-nitride-oxide-silicon) SAC231 MegaVERL structure to provide a low leakage current, fast response time, and wide range of working voltages. Its wide range of features makes the V320LA40BP an optimal solution for circuit protection, motor controls, automotive systems, power supplies, communication equipment, and medical equipment.

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