SMBJ36CA

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The SMBJ36CA is a uni-directional transient voltage suppressor (TVS) diode that is designed to protect sensitive equipment from voltage transients caused by lightning or other rapid voltage changes. It has low leakage current, high power rating, and low capacitance. The SMBJ36CA is an ideal device for protecting low voltage systems and circuits, such as microprocessors, logic inputs, and current sensing circuits, from transient voltage events.

The SMBJ36CA has a breakover voltage of 36 volts. This means that when the voltage across the diode exceeds 36 volts, the diode changes from a high impedance device to a low impedance device, allowing current to flow. The diode also has a peak pulse current rating of 2.5A, meaning it can handle up to 2.5A of sudden surge current without failing. In addition, the diode has a low capacitance of 2.7pF, which keeps the signal integrity of the protected circuits high. The diode also has a low leakage current of 10uA at 25C.

The working principle of the SMBJ36CA is simple. When an incoming voltage exceeds the breakdown voltage (36 volts in the case of the SMBJ36CA), the diode changes from a high impedance to a low impedance, allowing current to flow. This places a path for the excess current created by the transient voltage, and prevents it from damaging the protected circuit. When the voltage decreases back below the breakdown voltage, the diode returns to a high impedance state, and the current flow is stopped.

The SMBJ36CA can be used in a wide range of applications. It is well suited for protecting low voltage systems and circuits, such as microprocessors and logic inputs, from transient voltage events. It can also be used for current sensing circuits and other high frequency circuits, due to its low capacitance. The SMBJ36CA can also be used to protect security systems, industrial control systems, and healthcare equipment from overvoltage transients.

In summary, the SMBJ36CA is an efficient and reliable uni-directional transient voltage suppressor diode, designed to protect sensitive circuits from overvoltage transients. The diode has a low leakage current, high power rating, and low capacitance, making it ideal for low voltage and current sensing circuits. The diode works by changing from a high impedance to a low impedance when the incoming voltage exceeds the breakover voltage, allowing current to be safely dissipated. As such, the SMBJ36CA is suitable for a wide range of applications, including industrial control, healthcare, and security systems.

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