ATV15C280JB-HF Circuit Protection

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TVS (transient voltage suppressors) diodes are widely used in current electronic systems to limit surges, spikes, and excessive transient voltage transients in external circuits that are often caused by over-voltage surges and electrical interference. The ATV15C280JB-HF diode is a TVS diode specifically used in applications that require high speed and low capacitance switching protection. This diode is designed for applications such as high frequency electromechanical relays (HFEMR), static relays, as well as systems requiring fast response against high voltage transients in a variety of systems, including IGBT and MOSFET gate protection, load switches, static discharge protection devices, and contactors.

The ATV15C280JB-HF is an ultra-fast transient voltage suppressor diode with a low capacitance. This diode is capable of withstanding voltages of up to 8kV surge and 25A peak current. It is capable of operating at temperatures ranging from -55°C to 125°C and can sustain a maximum continuous operating voltage (VRWM) of 15V. The diode’s capacitance is a low 3pF, ensuring a fast response time of typically 15ns on a high voltage transient.

The ATV15C280JB-HF TVS diode is specifically designed to provide surge protection for high-speed circuits such as relays. Its ultra-fast clamping time protects such circuits from any high-voltage transients, and its extremely low junction capacitance prevents the diode from affecting data line transmission times. Its low capacitance also reduces ringing noise and reduces emissions due to limiting the peak of the voltage transient.

The ATV15C280JB-HF TVS diode operates on a working principle called “avalanche breakdown”. Avalanche breakdown occurs when the electric field inside the diode reaches a threshold level. Once this level is attained, the junction area of the diode suddenly becomes conductive, allowing the voltage to be clamped up to a safe level which the diode is designed to withstand. When the transient voltage subsides, the diode returns to its original state of being non-conductive.

The ATV15C280JB-HF TVS diode is an excellent choice for applications that require efficient protection from high voltage transients and fast response time. The diode’s robust design provides reliable protection for electronic circuits from both over-voltage surge currents and ESD transients. Additionally, its low capacitance rating ensures that transmission line integrity is not affected, making it suitable for applications such as high frequency electromechanical relays, static relays, and contactors.

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