TV04A191JB-G

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Transient voltage suppression diodes, commonly referred to as TVS diodes, are power semiconductor devices that can be used to protect a circuit from high electrical transients or to limit the voltage across a circuit. TV04A191JB-G is a TVS diode that belongs to the family of Transient Voltage Suppressors (TVS) diodes and is mainly used for ESD, EFT, and switch-mode power supply (SMPS) protection. The basic concept of TV04A191JB-G is that, during normal operation, it allows current to flow through the diode, but when the voltage across it exceeds the rated level, it acts as a low-impedance path and absorbs the excess energy.

The TV04A191JB-G is a unidirectional device. It features an anode and a cathode connection, and an internal diode is embedded in the device\'s design. The anode connection is tied to the cathode of the embedded diode, and the cathode connection is tied to the anode of the embedded diode. This means that current will only be allowed to flow in one direction; from the anode to cathode. The internal diode provides a low voltage clamping that rapidly turns on when the external voltage rises above the rated level.

One of the main applications for the TV04A191JB-G diode is as an ESD protection device. ESD (electrostatic discharge) occurs when static electricity discharges and can cause damage to electrical components. The TV04A191JB-G is designed to provide protection in this situation by clamping voltage levels during an ESD event, thus preventing the circuit from being damaged. Additionally, the device can also be used to limit the peak voltage across a circuit and provide EFT (electrical fast transient) protection.

TV04A191JB-G also has applications in the field of switch-mode power supplies (SMPS). An SMPS is a type of power supply which uses high-frequency switching devices to generate regulated voltage outputs. The TV04A191JB-G is designed to be inserted in series with the output of the power supply, thus providing protection against overvoltage conditions and also reducing inrush current and voltage transients. Additionally, the device can also be used to limit the peak voltage across a circuit and provide EFT (electrical fast transient) protection.

In terms of operation, TV04A191JB-G is a Zener-type device, meaning that it is designed to breakdown when the voltage across it exceeds a certain level. When this level is exceeded, the diode begins to conduct current and the excess voltage is diverted away from the circuit. The device is designed to break down at a specific voltage level, usually between 20 and 50 volts, depending on the specific model. Once this voltage is exceeded, the diode will then conduct current, thus providing protection to the circuit.

Overall, the TV04A191JB-G is an effective and reliable TVS diode that can be used in a variety of applications. It is designed to provide protection against electrostatic discharge, electrical fast transient, and overvoltage conditions in circuits. Additionally, its Zener-type design helps to limit the peak voltage level and protect the circuit against damage. Therefore, the TV04A191JB-G can be used as a reliable ESD and EFT protection device, as well as an effective overvoltage protection device for SMPS.

The specific data is subject to PDF, and the above content is for reference