ATV30C191J-HF Circuit Protection

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TVS (Transient Voltage Suppressors) Diodes are a special type of diode designed for short-term, high energy pulse applications. They are sometimes referred to as "protection diodes" or "transient voltage suppressor diodes" and are used to provide protection for components and circuitry from high voltage transients. The ATV30C191J-HF is a well-known example of such a device.

ATV30C191J-HF Application Field

The ATV30C191J-HF is a unidirectional (TVS) diode, also known as a transient voltage suppressor. This device offers excellent surge protection capability in low capacitance packages. It has a 5.7 V v Clamp voltage and is suitable for a variety of electronics and communications system protection applications. Typical applications include computer interfaces, data lines, base station antennas, and telecommunications equipment. It is also suitable for power supply lines, telematics, and industrial applications.

ATV30C191J-HF Working Principle

TVS diodes are designed specifically to protect sensitive electronic components from voltage transients. They have a very fast response time and can absorb high surge energies, thus providing electric protection. The ATV30C191J-HF is a unidirectional TVS diode, with a 5.7 V clamp voltage, which means it is capable of clamping a voltage transient before it can cause excessive damage to the circuit. In order to activate the transient voltage protection, the voltage must exceed the clamp voltage of 5.7 V. When this occurs, the diode will become forward biased and will quickly conduct the excessive energy from the transient away from the protected circuit and thus provide protection.

The ATV30C191J-HF is also designed for a high level of ESD (electro-static discharge) protection. It has an internal protection voltage of -24.1 V and provides an effective connection between the ESD voltage and the circuit. This prevents the ESD voltage from being transferred into the circuit, which prevents damage to the components. The device also features low leakage, which allows for better protection over a wide range of temperatures, in addition to low capacitance.

Conclusion

The ATV30C191J-HF is a unidirectional TVS (transient voltage suppressor) diode designed for applications requiring good surge protection capabilities in a low capacitance package. It has a 5.7 V clamp voltage, an internal protection voltage of -24.1 V and provides excellent potentially damaging voltage transients. The ATV30C191J-HF is suitable for telecommunications equipment, computers, data lines, industrial applications, and many other situations where electrical protection is needed. With its high surge capability, low capacitance, and low leakage design, the ATV30C191J-HF is an ideal choice for providing protection against voltage transients.

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