ATV15C140JB-HF Circuit Protection

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A Transient Voltage Suppressors (TVS) diode is a type of semiconductor device which is designed to protect sensitive electronic components from voltage transients produced by circuit noise, such as inductive spikes caused by electrostatic discharge (ESD). The ATV15C140JB-HF is an automotive-grade high-voltage TVS diode designed to protect against voltage transients across two power rails, such as power rails in I/O circuitry when one rail is driven at ground potential. The device is also suitable for protecting device pins from voltage transients produced by switching inductive loads in automotive applications.

The ATV15C140JB-HF has a breakdown voltage rating of 15V and a maximum peak pulse current rating of 140A. It also has a relatively strong ESD protection up to 20kV, perfect for protecting automotive electronic components from ESD. The device is rated for operating junction temperatures up to 150°C, making it well suited for automotive applications where the temperature range is significantly higher than in other applications. The device also features a low capacitance of 0.04pF, ensuring that it will not disturb high-speed switching signals or reduce signal integrity.

The ATV15C140JB-HF is a bidirectional TVS diode with two terminals, one being anode and the other being cathode. When the voltage across the two terminals reaches the breakdown voltage, the device starts conducting current, clamping the voltage across it. As the breakdown voltage is higher than the operating voltage, the TVS diode protects the electronic components from the over-voltage. The device can also be used to protect electronic components against ESD, as the ESD capacitance is added to the device’s junction, leading to a voltage spike. The ATV15C140JB-HF is designed to clamp and reduce the amplitude of this transient voltage, ensuring the safety of the connected components.

The ATV15C140JB-HF can be used in a wide range of applications, such as automotive electronic systems, power supply and battery protection and DC power protection circuits, line protection from ESD and high-speed switching signals, etc. Its rated junction temperature of 150°C and maximum power dissipation of 2.1W also make it well suited for automotive electronic systems where high temperatures and power efficiency are critical.

In conclusion, the ATV15C140JB-HF is an ideal protection device for automotive and other applications that require high-voltage protection and a strong ESD protection against voltage transients. The variety of features, such as the maximum peak pulse current rating, breakdown voltage rating and a high operating junction temperature, make this device the perfect choice for protecting automotive electronics components against voltage transients.

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