SMBJ28CHE3/5B

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Transient-Voltage-Suppression (TVS) diodes have emerged as a technology for transient protection of sensitive electronics. The SMBJ28CHE3/5B TVS diode is a component manufactured by Semtech Corporation that is designed specifically to protect expensive, high technology equipment from electrical transients that could damage or destroy delicate circuitry. In this article, we’ll discuss the application field and working principle of the SMBJ28CHE3/5B TVS diode.

The SMBJ28CHE3/5B is a low-capacitance device with a peak pulse power rating of 600 Watts and a clamping voltage of 28.5 Volts. It is suitable for use in both commercial and industrial applications where electrical transients can cause damage to equipment. The device has a low voltage drop during normal operation and is designed to protect I/O ports from high-voltage surges, thus increasing system reliability and lifetime.

For use in circuits with low-voltage applications, the SMBJ28CHE3/5B features a low-capacitance package which helps reduce signal distortion and switching noise. In addition, the device has reverse polarity and ESD protection. It is also designed to work with low-voltage systems, which makes it ideal for use in automotive and telecommunications applications.

The working principle of the SMBJ28CHE3/5B TVS diode is based on the avalanche breakdown of a PN junction. When a transient voltage exceeds the specified reverse breakdown voltage, a large number of holes and electrons are liberated, which gives rise to a very high current conduction. This current is then quickly dissipated, thus protecting the connected circuitry from damage.

The SMBJ28CHE3/5B TVS diode is designed to work with loads up to 600 Watts. It is equipped with a low-profile design and is protected against peak pulse power failures. The device also provides good thermal performance and low self-capacitance. It has an operating temperature range of -40°C to +85°C and is moisture resistant.

In conclusion, the SMBJ28CHE3/5B TVS diode is one of the most reliable components used in the protection of delicate electronics and circuitry. It provides excellent protection against transient voltages and has low voltage drop in normal operation. It is also suitable for use in low-voltage circuits and provides effective ESD and reverse polarity protection. The device is specifically designed to provide peak pulse power protection up to 600 Watts and has a low-profile design for easy installation.

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