ATV04A200JB-HF

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TVS - Diodes are an important class of voltage protection devices that are utilized to safeguard almost all modern electrical/electronic systems from over-voltage. ATV04A200JB-HF stands out as one such type that is specially designed to protect semiconductor devices from transient voltage impulses. By providing a nearly instantaneous response, the device is able to protect devices from electrical disturbances and surges.

Features

The ATV04A200JB-HF offers two important features. Firstly, it is characterized by an ultra-fast response time of approximately 1.5 nanoseconds. Due to this, it is able to offer protection from transient voltage impulses without creating EMI. Secondly, it has a low clamping voltage due to the presence of a zener diode. This ensures that the voltage appearing at the point of protection remains lower than that of the normal operating voltage of the electronic device.

Application Fields

ATV04A200JB-HF is commonly used in a range of electronic circuits, where it is important to protect semiconductor devices from damage due to ESD, lightning or other transient impulse. It is commonly used in automotive electronics, consumer electronics, LED lighting drivers, telecommunications, and industrial electronic systems. Additionally, it is also used in medical systems and equipments, to prevent them from being damaged from unexpected electric disturbances and surges.

Working Principle

ATV04A200JB-HF is based on the principle of avalanche breakdown, wherein the electric current through a junction of two dissimilar materials produces an avalanche effect. As a result, the junction\'s resistance decreases with increasing voltage, causing current to flow through the diode. The diode\'s structure follows a single junction design, and it is composed of a zener diode and a transient voltage suppressor, along with a protection diode. When a transient voltage is applied on the diode\'s anode, the current flows through the diode to the ground. This in turn absorbs the excess energy, providing protection to the electronic device from damage.

Advantages

The ATV04A200JB-HF offers several advantages over other transient voltage suppression diodes. Firstly, it is very small in size, making it ideal for use in restricted spaces. It also runs at low temperatures and is compatible with high voltage applications. Moreover, it has a low capacitance, making it suitable for high frequency signals. Additionally, it offers low let-through voltage and low clamping voltage. Being RoHS compliant, it is also environment-friendly.

Conclusion

The ATV04A200JB-HF is one of the most popular transient voltage suppression diode among industrial and commercial circuits. Its ultra-fast response time, low capacitance, small size and low let-through voltage make it ideal for applications where there is a need for instantaneous protection from transient voltage impulses. With its high reliability, it is used in almost all modern electrical and electronic systems, thereby ensuring safe and uninterrupted operation.

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