BZX84C3V3LFHT116

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The BZX84C3V3LFHT116 is a single Zener diode that provides voltage regulation, over-voltage protection, and waveform clipping and snubber network applications. It has low forward voltage (Vf) and an operating temperature range of -65°C to +175°C.

This diode is based on a Zener-regulated breakdown circuit, and its Zener voltage is 3.3V. It also has a power dissipation of 500 mW, a maximum repetitive peak reverse voltage of 16V, and a current rating at 25°C of 1.0A.

BZX84C3V3LFHT116 can be used in a variety of applications, including voltage regulation for AC and DC circuits, over-voltage protection circuits, and waveform clipping and snubber networks. It is also commonly used in linear power supplies, voltage regulators, and snubber circuits.

Working Principle

When it is forward-biased, the Zener diode acts as a normal diode and passes a current, which is proportional to the voltage applied. When the voltage reaches the Zener voltage (3.3V in the case of the BZX84C3V3LFHT116), the diode becomes reverse-biased, and the current through it drops dramatically. This reverse-biased voltage, the Zener voltage, is maintained across the diode, even if the applied voltage increases. This characteristic is known as Zener breakdown.

The BZX84C3V3LFHT116 is also characterized by low junction capacitance, and is used in circuits where suppression of high-frequency noise is important. It can also be used in DC regulated power supplies, as it can both regulate and protect the DC power supply from transients, reducing the noise and disturbances in the supply line.

The BZX84C3V3LFHT116 is also used in RF amplifiers, attenuator circuits, and in voltage switching networks. In addition, this diode can also be used to protect voltage-sensitive components from transient spikes, making it especially useful in automotive applications.

For applications where low leakage is required, the BZX84C3V3LFHT116 can be used as a low-leakage rectifier diode. Since it has a low Vf and a low reverse leakage current at low temperatures, it is well-suited for AC/DC conversion circuits, such as in AC/DC converters.

In digital circuits, the BZX84C3V3LFHT116 can be used to protect ICs from voltage surges and transients. It can also be used in switching power supplies to regulate output voltage, as the Zener diode is able to absorb the surge energy that may occur due to the load variations.

Overall, the BZX84C3V3LFHT116 is a versatile Zener diode which can be used in a variety of applications. Its low Vf, low reverse leakage at low temperatures, and Zener voltage of 3.3V make it suitable for use in both AC and DC circuits, as well as in digital and switching circuits.

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