SMZJ3791BHE3/52

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Diodes are the most common and arguably the most important type of semiconductor device. The Zener diode, specifically, is a diode designed to operate in the reverse-bias, in which current flows from the cathode to the anode, resulting in the Zener effect, wherein a certain breakdown voltage is reached and the zener diode produces a voltage as long as the applied reverse-bias exceeds the breakdown voltage. The SMZJ3791BHE3/52 is a specific type of Zener diode.

The SMZJ3791BHE3/52 is a single zener diode type manufactured by China-based semiconductor manufacturer Mingcheng Motors. The device has a maximum reverse voltage of 4.2V and a maximum power dissipation of 350 mW. The SMZJ3791BHE3/52 also has a maximum zero-peak breakdown voltage of 4.0V, which is within the minimum and maximum operating temperature range of -30°C to +125°C.

The SMZJ3791BHE3/52 is designed to be used in a wide range of applications, such as signal conditioning, surge protection, overvoltage protection, voltage clamping and voltage regulation. The SMZJ3791BHE3/52 is capable of handling a power surge up to 1A, helping to prevent voltage spikes for sensitive components. The SMZJ3791BHE3/52 also operates at low temperatures of -30°C, which makes it suitable for applications in extreme temperatures. Additionally, the device is RoHS compliant, making it suitable for applications in the medical and automotive industries.

In terms of its working principle, the SMZJ3791BHE3/52 operates in the same way as any other zener diode. The zener effect of the SMZJ3791BHE3/52 occurs when the small reverse voltage of 4.2V is applied, resulting in the breakdown of the depletion layer and forming a conductive path. This allows current to flow in the reverse direction, creating an increase in voltage, up to the breakdown voltage of 4.0V. This is known as a Zener breakdown, which keeps the voltage within the allowed range.

Apart from its Zener diode characteristics, the SMZJ3791BHE3/52 also provides thermal protection. This means that the device reduces its power dissipation when it is overheated, protecting it from power surges and other similar events. In addition, the SMZJ3791BHE3/52 is a low-noise device and does not interfere with adjacent circuits. This allows it to be used in applications where interference or noise emission is a concern.

In conclusion, the SMZJ3791BHE3/52 is a single zener diode type, manufactured by Mingcheng Motors. It has a maximum reverse voltage of 4.2V and a maximum power dissipation of 350 mW. The device is capable of handling a power surge up to 1A, allowing it to be used in a wide range of applications. It has a Zener breakdown voltage of 4.0V, providing voltage regulation, and it also provides thermal protection, low noise and RoHS compliance.

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