AK3-030C Circuit Protection

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Thyristor Surge Protection Devices (TSPD) are a form of voltage-dependent, passive electronic components that protect against surges caused by lightning strikes and other power sources. One popular example is the AK3-030C, a TVS - Diode commonly used to protect sensitive electronics from high voltage transients and sudden current change. This article will discuss the application field and working principle of the AK3-030C.

The AK3-030C is designed to protect systems against the destructive impact of electrical transients like electrical surges and electrostatic discharges. This device provides an instantaneous high-current capability from 150W to 350W. It also works with low capacitance, enabling it to protect circuits against very short pulses and high transients. The device has a low clamping voltage of 15V to 30V, which helps it to provide over-voltage protection for sensitive electronics. Other features of this TVS - Diode include an IEC 61000-4-5 compliant surge rating of 2/10µs at 8/20µs, an overvoltage transient withstand of 33V, and an ultra-low capacitance of 1.0pF.

The AK3-030C is typically used in a variety of industrial, communications, and consumer electronic equipment. In industrial systems it can be used in robotics, industrial control equipment, programmable logic controllers (PLCs), and switchboards. Communications systems applications include 4G/5G cellular phones, Ethernet devices, and cable modems. Consumer electronics applications include solar inverters, power supplies, adapters, LED lighting, and smoke alarms. The device is also useful in automotive applications such as fuel injector and gauge systems, power steering, and ABS control modules. In any of these applications, the AK3-030C helps to provide surge protection for both data and line-voltage signals, as well as protection from electrostatic discharges (ESDs).

The AK3-030C works by quickly responding to transient voltage events. It has a very brief response time of 0.5 nanoseconds, meaning that it responds to voltage transient events essentially instantaneously. This makes it very effective at absorbing and dissipating electrical energy, and protecting sensitive electrical components. It is also self-healing, which means it can be reset and used again without requiring a time consuming and costly replacement. The device uses a high power silicon avalanche diode with a rugged construction, designed specifically to provide over-current and over-voltage protection.

The AK3-030C is a low-leakage diode that is designed to provide reliable longterm protection against electrical transients. The device offers an optimal solution for protection against lightning strike, as well as other electricity-related phenomena. It is a good choice for circuits needing reliable over-voltage protection and high capacitance, such as those in consumer, automotive, and industrial electronic devices. Its wide application field and fast response time make it an excellent option for surge protection.

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