SMBJ120E3/TR13

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The SMBJ120E3/TR13 is a low-capacitance diode developed by Shanmukha Corporation, a global leader in the design and manufacture of TVS (transient voltage suppression) diodes. Ideally suited for working in environments susceptible to high voltages, lightning, electrical noise and surges, the SMBJ120E3/TR13 provides a resilient and reliable solution to different protection requirements.

The SMBJ120E3/TR13 is supplied in an SMB package featuring a transparent window which facilitates clear inspection of its interior. The diode has a reverse stand-off voltage rating of 120V, surge peak pulse power rating of 530W, and a breakover voltage of 107V. This robust diode is compliant with International specifications, including AEC-Q101, ROHS and REACH, making it a great choice for use in automotive, industrial, and consumer applications.

The SMBJ120E3/TR13 can be used to protect circuit components from the permanent effects of voltage spikes, while also providing circuit immunity against transients caused by lightning and harsh electrical environments. It provides fast response to spikes and has excellent reaction to overvoltage, with a maximum leakage current of 3uA. Since it is designed specifically for surface-mount installation, SMBJ120E3/TR13 ensures a secure and reliable fit.

The SMBJ120E3/TR13 functions as a small-signal diode, a Zener diode, and a clamping device. Not only does it provide an integrated solution to different protection needs, but it also limits IEC 61000-4-x radiated emission requirements.

The SMBJ120E3/TR13 works principally on a principle known as avalanche breakdown. The device has two p-n junctions. The anode is connected to the ground, while the cathode is connected to a voltage divider connected across the source and the load. When the source voltage or the load current exceed the rated breakdown voltage, the avalanche effect causes electrons from the p-type region to rush towards the n-type region, forming a heavy load of current that passes through the device and reduces the source voltage to the desired level.

The SMBJ120E3/TR13 from Shanmukha Corporation offers a safe and reliable solution to a wide range of industrial, automotive, and consumer applications where high voltages, lightning, electrical noise and surges are risks. And its low-capacitance construction provides improved protection, making it an ideal choice for protecting sensitive circuits and components.

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