BZV55-B75,115

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Diodes - Zener - Single

BZV55-B75,115 is a single Zener diode. It is a voltage regulating diode used to ensure that a particular voltage level is not exceeded in a particular circuit. It is a semiconductor device with a low forward voltage drop and a very high reverse breakdown voltage.

Application field

BZV55-B75,115 are commonly used in circuit protection, voltage regulation, and signal clipping applications. They protect sensitive electronics from damaging voltage surges in areas such as mobile phones, networking, automotive, and industrial applications. Since they are rated to handle high voltages, they can also be used in devices such as dynamometers and defibrillators.

Working Principle

Zener diodes typically have an anode connected to the positive side of the circuit and the cathode connected to the negative side. This allows the diode to operate in either a forward or a reverse-biased direction. When the diode is operating in the forward-biased direction, it will pass current from the anode to the cathode as normal. However, when the diode is reverse-biased, the potential difference across the diode will cause it to become electrically ‘open’, preventing current from flowing.

When the reverse voltage exceeds the rated Zener voltage of the diode, it will start to conduct in the reverse direction. This is the ‘Zener breakdown’, where the reverse-bias voltage causes a large amount of current to flow across the diode in the opposite direction to normal. Since this current is limited by the impedance of the circuit, the diode can be used to regulate the voltage to a maximum of the diode\'s Zener voltage.

Zener diodes are also used as current limiters and noise clippers, since their Zener voltage creates a low-pass filter that eliminates signals above their breakdown voltage. This makes them ideal for noise filtering, as well as limiting current in a circuit.

Conclusion

BZV55-B75,115 is a single Zener diode with a low forward voltage drop and a very high reverse breakdown voltage. It is commonly used in circuit protection, voltage regulation and signal clipping applications. It is also used as a current limiter and noise clipper, and its Zener voltage creates a low-pass filter that eliminates signals above the breakdown voltage.

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