SMBG45A-E3/5B

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TVS-Diodes are a type of semiconductor device that protect devices and circuits from voltage spikes. The SMBG45A-E3/5B is a proprietary surge component designed to provide protection from transients in industrial and vehicle applications. It is an unidirectional TVS diode that is designed to reduce the risk of short-circuits caused by overvoltage transients. It is constructed with a silicon junction that is insulated by a glass passivated epoxy coating, giving it high temperature and humidity tolerance.

The SMBG45A-E3/5B is designed to protect circuits from transient voltage up to 45V. The device has a breakdown voltage of 34V, with a maximum continuous operating voltage of 30V. The device has a very fast response time, allowing it to provide protection against overvoltage transients in only microseconds. Additionally, the device includes a temperature compensation circuit which helps maintain electrical stability under extreme temperatures. The device comes in a variety of packages including SMB, SMC, SMSimiliar, DFN, and SOD-323.

The working principle of the SMBG45A-E3/5B is simple. When a transient voltage is detected on the circuit, the TVS diode responds by effectively dissipating the voltage away from the protected circuit. TVS diodes are electrical components that can be placed in series with the power or data line of a circuit to protect it from overvoltage events. When a transient exceeds the breakdown voltage of the diode, the diode becomes "forward-biased" and an avalanche current is generated. This current then flows through the diode and dissipates the excess energy, allowing the protected circuit to remain unaffected.

The SMBG45A-E3/5B is commonly used for protecting circuits in industrial equipment, automotive applications, telecommunications systems, and computer systems. Its small size and low cost make it an ideal choice for applications such as motor controllers, automotive switches, and high-speed data signal protection. Its fast response time and temperature compensation make it ideal for use in automotive and industrial applications, where environmental conditions can vary greatly.

The SMBG45A-E3/5B is an excellent choice for those who need robust protection from voltage spikes. With its robust construction, high temperature tolerance, and fast response time, it provides an effective solution for protecting circuits from overvoltage transients. Additionally, its small package size and low cost make it an ideal choice for those looking for a cost-effective surge component.

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