BZX384B18-HE3-08

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The BZX384B18-HE3-08 is a widely used zenerdiode belonging to the category of single diodes. It is a voltage regulator and voltage reference device, common in a variety of applications, and has a variety of features that make it attractive to design engineers and component buyers alike.

In spite of its small size, the BZX384B18-HE3-08 can provide a range of voltage outputs from 2.4V to 18V. It also has a fast response time and offers a wide temperature range of 125°C without a voltage derating. When it comes to reliability, the device boasts an impressive -100V unidirectional ESD rating.

The device can handle high power with up to 3 W of power dissipation at 25°C, while thermally stabilized designs use 91% aluminum nitride substrates to achieve high temperature stability. Current leakage is also kept to a minimum, as the BZX384B18-HE3-08 can pass more than 1.8 uA at 18V.

The BZX384B18-HE3-08 works in a simple manner. Its operation is based on the principle of rectification and conduction, where electrons flow in only one direction, from the N-type towards the P-type material of the diode. When the applied voltage exceeds the breakdown voltage of the device, a small current begins to flow across the junction and the device enters a conducting state.

In the forward-bias mode, the diode becomes non-resistive and remains in a low-impedance conducting state, allowing current to flow normally. When in the reverse-bias mode, the device acts like an open circuit and the current remains blocked. The BZX384B18-HE3-08 turns itself into a voltage regulator through a process that includes components connected in series and parallel with the diode.

The BZX384B18-HE3-08 can be used in a large number of applications. It find uses as a voltage regulator in small robotics, providing an adjustable voltage between 3 to 24 VDC. It excels in over voltage protection as well, as it can efficiently limit the line voltage to allow the circuit to be safely powered. It also finds uses in Flyback converters and AC/DC converters.

The BZX384B18-HE3-08 is used in a variety of applications due to its fast response time, wide temperature range and high reliability. Its working principle is based on the process of rectification, conduction and voltage regulation along with components connected in series and parallel. This makes it ideal for over voltage protection, flyback converters and AC/DC converters. Regardless of its small size, the BZX384B18-HE3-08 can still be quite a versatile and reliable device.

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