SMBJ75A M4G

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The SMBJ75A M4G series of transient voltage suppressor (TVS) diodes are designed to protect sensitive or semi-sensitive electronic components from voltage transients. They are used in numerous applications, from automotive to home electronics, and their working principle is based on the same principles as other TVS devices.

The SMBJ75A M4G is a bi-directional, low-capacitance diode that is designed to reject voltage transients up to a maximum operating voltage (VTM) of 75V. The diode is typically used in automotive applications, and is designed to withstand peak pulse currents up to 18 Amps. It has a low transformer voltage coefficient, which helps to reduce overall power losses, and a high clamping voltage (VCM) of 94V.

The SMBJ75A M4G is designed to provide protection to sensitive electronic components such as microcontrollers, LEDs, and active devices like operational amplifiers and ADCs. The peak pulse current is able to withstand a peak current which is dependent on the junction temperature. This peak current is combined with a low capacitance in order to reduce the surge energy dissipation. The device is designed to ensure a high level of reliability and consistency with rapid response times.

The operating principle of this diode also relies on the same principles as other TVS devices. When the device is exposed to a voltage transient, the diode becomes forward biased and starts to conduct the current through the junction. This movement creates an instantaneous voltage drop which reduces the transient voltage down to a safe level. The smaller the capacitance of the diode, the faster the diode starts conducting the current. This helps protect the device from overvoltage.

The SMBJ75A M4G is designed with a very low capacitance of 0.2pF. This helps reduce the stress on the junction, as current can be conducted more quickly and efficiently. The device also features an ultra-fast response time of less than 10ns. This is important in order to ensure that the current flows without any delays.

To summarize, the SMBJ75A M4G series of transient voltage suppressor diodes is designed to provide protection to sensitive electronic components from voltage transients. It is typically used in automotive applications and is able to withstand peak pulse currents up to 18 Amps. The low capacitance and ultra-fast response time of the device ensure a high level of protection against overvoltages. The diode uses the same operating principle as other TVS devices, in which the diode becomes forward biased and quickly conducts the transient current which reduces the voltage down to a safe level.

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