30KPA180A-B

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TVS - Diodes

Transient Voltage Suppressors (TVS) diodes are a type of suppressors that are used to protect electrical circuits, equipment and systems from high-voltage transients and electrical surges. TVS diodes are often referred to as Transient Voltage Suppressor (TVS) diodes, Transient Voltage Suppression (TVS) diodes, Transient Voltage Surge Suppressors (TVSS), or simply TVS Diodes. They are used in a wide range of applications, from mobile phones to high-voltage power lines.

The 30KPA180A-B is a type of Transient Voltage Suppressor (TVS) diode that is specifically designed to protect semiconductor devices from damages caused by high-voltage transients or electrical surges. It is also designed to protect sensitive circuits, as well as equipment and systems from overvoltage conditions. This type of diode act as a one-way valve that opens when the voltage exceeds its rated level and limits the current flowing through the circuit until the voltage drops below the specified level. The diode offers fast response times, low clamping voltage, and high current handling capabilities.

Applications of 30KPA180A-B

The 30KPA180A-B is suitable for a variety of different applications, such as in surge protection circuits, high-voltage power supplies, and telecommunications circuits, amongst others. They are also commonly used in automotive, medical and consumer electronics applications to protect sensitive semiconductor components from high-voltage transients. The diode is typically used to protect input lines from damages due to electrostatic discharges, lightning and temporary overvoltages. The diode can also be used to dampen voltage and current transients in inductive loads, such as motors.

Working Principle of 30KPA180A-B

The working principle of 30KPA180A-B is simple – it acts as a one-way valve to limit current when the applied voltage exceeds a certain threshold. This is achieved by employing a combination of diode capacitance and a zener diode. The diode has a positive temperature coefficient, which means that its forward voltage drop increases with increasing temperature. This temperature-dependent forward voltage drop is used to limit the current when the applied voltage is greater than the forward voltage drop. When the voltage drops below the specified level, the diode will automatically cut off the current.

The 30KPA180A-B also employs Avalanche breakdown – a process in which carriers are bunched up in groups and released in a chain reaction. When the reverse voltage exceeds a certain level, a sharp increase of current is generated, which ensures very fast response times and a low clamping voltage. The response time of this type of diode is typically between 5ns and 10ns and it can handle up to 30A of surge current.

Conclusion

The 30KPA180A-B diode is a type of Transient Voltage Suppressor (TVS) diode specifically designed to protect semiconductor devices from damages caused by high-voltage transients or electrical surges. It has a wide range of applications, from surge protection circuits and high-voltage power supplies to telecommunications circuits and automotive applications. The diode operates by acting as a one-way valve, decreasing the current when the voltage exceeds its rated level, and utilizing Avalanche breakdown for fast response times and low clamping voltage.

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