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SMZJ3798BHE3/52 Application Field and Working Principle

The SMZJ3798BHE3/52 is a single Zener diode that is commonly used for voltage regulation, signal processing and clipping. It is a type of unidirectional device with Polarity, Double Diffused and having Avalanche Zener protection.

Features/Benefits

The SMZJ3798BHE3/52 is a surface-mountable device with a size of 5.48mm x 2.98mm x 0.45mm. It has a voltage rating of 3.3V and a power rating of 500mW. It is also equipped with a wide temperature range of -55oc to +150oc and features a low series resistance and a low shunt capacitance.

Applications

The SMZJ3798BHE3/52 is commonly used in voltage regulators and voltage clippers, signal processing, noise suppression and in automotive, telecommunication and consumer electronics applications. It is often used for voltage regulation in switching mode power supplies, where it limits the output voltage. The diode is also used to protect integrated circuits from high voltage surges, and for certain telecommunications circuits.

Working Principle

The SMZJ3798BHE3/52 works by allowing current to flow in one direction and blocking current from flowing in the opposite direction. This is done with the help of a semiconductor junction - when a certain forward-bias voltage is applied, the resistance at the junction decreases and the current starts to flow. When the reverse-bias voltage reaches the breakdown voltage of the junction, the resistance increases, preventing further current flow.

The SMZJ3798BHE3/52 also features Zener protection, which means that when the diode is reverse-biased, the Zener voltage will cause the diode to regulate the voltage level, preventing it from exceeding the Zener voltage. This is done by allowing extra current to flow, which dissipates energy and absorbs the excess voltage.

Conclusion

The SMZJ3798BHE3/52 is a single Zener diode that is commonly used for voltage regulation, signal processing, and clipping. It features a wide temperature range of -55oc to +150oc, and is commonly used in automative, telecommunication and consumer electronics applications. It features a low series resistance and shunt capacitance, and has Zener protection that prevents the voltage from exceeding the Zener voltage.

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