HSP061-4F4 Circuit Protection

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TVS diodes are transient voltage suppressors designed to protect sensitive electronic components and circuits from transient voltages, usually from lightning or induced voltage surges. The HSP061-4F4 is an ultra-low capacitance TVS diode which meets or exceeds IEC 61000-4-2 ESD guidelines, and is widely used for protection for data lines often found in in-vehicle electronics and industrial equipment.

In the HSP061-4F4, and most other TVS diodes, the diode\'s working principle is to clamp the voltage at a certain maximum level by diverting the current at a certain current capacity. The HSP061-4F4 has an ultra-low clamping voltage of 1.05V and a peak current of up to 4A. This makes it well-suited for data line applications in vehicles as well as many industrial applications where the voltage transient may not exceed 1.05V.

The HSP061-4F4 includes common-mode and differential-mode response capabilities. In common-mode response, the current flow is equal on both sides of the diode, resulting in a clamping voltage approximately equal to the knee voltage of the diode. In differential-mode response, the diode has an opposite polarity on each side of the diode during conduction, creating a low clamping voltage determined by the device. Either one of these responses can protect sensitive electronics from transient voltages.

The super low capacitance of the HSP061-4F4 (only 0.04 pF) further makes it well-suited for data line applications where transfer speeds may be too high for a standard TVS diode. Its low capacitance prevents it from affecting the signal integrity of the data line, allowing it to transfer data without interference or degradation.

The HSP061-4F4 is ideal for applications such as in-vehicle electronics, industrial equipment, and data hubs and switches where protection from excessive transient voltages is needed. The combination of its low capacitance, high peak current, and low clamping voltage make it a perfect choice for data line protection in these applications.

TVS diodes such as the HSP061-4F4 are essential for protecting sensitive electronics and circuit-board components from unexpected transient voltage surges. With its low capacitance and ultra-low clamping voltage, the HSP061-4F4 is an excellent choice for data line protection in many applications from automotive to industrial applications.

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