SMBG43CAHE3/5B

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TVS (Transient Voltage Suppressor) diodes play a key role in safeguarding electronic systems and components from voltage spikes. The SMBG43CAHE3/5B is a high-performance and highly reliable surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lighting and other forms of electrical fast transients ( EFTs).

This particular device is optimized for data and telecom applications and its superior peak power handling capability and low clamping voltage make it the ideal choice for the protection of voltage-sensitive devices.

The SMBG43CAHE3/5B TVS diode is a three-terminal devices composed of a diode junctions in an axial lead package. The diode junction is connected between the anode and cathode. The anode is connected to the ground and the cathode is connected to the line which needs protection. The peak pulse current of this device is 7.78A. Its peak pulse power is granted to be as high as 970MW.

When the voltage at the cathode exceeds the breakdown voltage (VBR) of the diode, current starts to flow through it. This is a unidirectional current flow. The current flow will continue until the voltage reaches the clamping voltage of the diode. The SMBG43CAHE3/5B has a clamping voltage of 10.9V for the 7.78A peak pulse current.

The SMBG43CAHE3/5B diode provides a very robust protection against high voltage transients generated by lightning and other electrical fast transients. The diode has a breakdown voltage (VBR) of 11.2. This means that the diode will protect the connected circuit from voltage spikes up to 11.2V. It is designed to dissipate a wide range of EFT and surge power, and can easily handle peak power levels of up to 970MW.

The SMBG43CAHE3/5B device is also ideal for data and telecom applications since it is capable of handling very high frequencies (up to 1GHz). Its low reverse leakage current of 0.01uA allows it to maintain low capacitance to provide low impedance protection on high speed lines. Additionally, the device can tolerate high temperature operating conditions, and it is RoHS compliant.

In summary, the SMBG43CAHE3/5B is a highly reliable and robust TVS diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other forms of electrical fast transients (EFTs). It is ideal for data and telecom applications, has a peak pulse power handling capability of 970MW, and a clamping voltage of 10.9V for the 7.78A peak pulse current. In addition, it boasts a breakdown voltage (VBR) of 11.2V, low reverse leakage current of 0.01uA, high temperature tolerance, and RoHS compliance.

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