SMBJ45CAHE3/5B

Introduction

The SMBJ45CAHE3/5B is a silicon-based, light-sensitive TVS-Diode, designed to be used in electronics equipment. It is a uni-polar device with a maximum operating voltage of 5.5V and a maximum surge current of 10A. Its extremely fast response time enables it to effectively protect against electrostatic discharge (ESD) and other transient voltage spikes.

Application Field of SMBJ45CAHE3/5B

The SMBJ45CAHE3/5B TVS-Diode is widely used in many different applications, including computers, gaming consoles, and automotive electronics, that require high-reliability ESD and overvoltage protection.In computers, the SMBJ45CAHE3/5B can be used to protect key components such as the motherboard or the graphics card from damage due to electrostatic discharges or other transients. It can also be used to protect data lines from voltage spikes, providing reliable communication between various components.The SMBJ45CAHE3/5B is often used in gaming consoles, due to its ability to protect various circuits against voltage transients caused by external sources, such as lightning strikes or power spikes.In automotive electronics, the components of the car\'s electronics system are often exposed to high levels of vibration and a wide range of temperatures. As such, the SMBJ45CAHE3/5B can be used to protect the system from the damaging effects of these environmental factors, as well as protecting it from damage due to electrostatic or other transients.

Working Principle of SMBJ45CAHE3/5B

The SMBJ45CAHE3/5B is a TVS-Diode, or Transient Voltage Suppression Diode. It works by clamping a voltage spike between its cathode and anode, providing a low resistance path for current in order to reduce the voltage level.When a voltage is applied that exceeds the maximum rating of the diode, it will quickly switch on and draw a large current, and then remain in a conducting state until the voltage drops below the maximum rating. This prevents damage to other components, as the high voltage and current is diverted away from them.The SMBJ45CAHE3/5B also has a fast response time, which helps in limiting the voltage spike. This is due to the device\'s high Reverse breakdown voltage, which enables it to quickly switch into a conducting state when the voltage exceeds the maximum rating.

Conclusion

The SMBJ45CAHE3/5B TVS-Diode is a silicon-based, light-sensitive device that is used in many different electronic applications for protection against electrostatic discharge (ESD) and other transient voltage spikes. The device is particularly useful in computers, gaming consoles and automotive electronics, due to its ability to quickly respond to excessive voltages and current, thereby preventing damage to the components it is protecting. The device also has a high Reverse breakdown voltage, which helps it to quickly switch into a conducting state when the voltage exceeds the maximum rating.