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Difference between TVS Diodes and Zener Diodes (1)

As shown in Fig. 2-6(a), a TVS diode (ESD protection diode) absorbs very high overvoltage in a short time and works so as not to apply excessive voltage to other semiconductor devices. On the other hand, as shown in Fig.2-6(b), a Zener diode clamps input voltage to a constant voltage and supplies clamped voltage to other semiconductor devices.
Thus, a TVS diode absorbs surge voltage to protect other semiconductor devices, whereas a Zener diode provides constant voltage to other semiconductor devices.

Usage of TVS diode/Usage of Zener diode

Fig. 2-6(a)  Usage of TVS diode

Fig. 2-6(b)  Usage of Zener diode

Chapter II : Diodes

Types of Diodes
Functions of Rectifier Diodes
Forward Characteristic of Rectifier Diodes (IF-VF Characteristic)
FRDs (Fast Recovery Diodes)
Voltage Regulator Diodes (Zener Diodes)
TVS diode (ESD protection diode)
Difference between TVS Diodes and Zener Diodes (2)
Variable-capacitance Diodes (Varicap Diodes)
Schottky Barrier Diodes (SBDs)
Reverse Recovery Characteristic of Schottky Barrier Diodes (SBDs)
Difference Depending on Metal of Schottky Barrier Diodes (SBDs)
Characteristics Application of Various Diodes

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