Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	4.7V
Tolerance:	±5%
Power - Max:	150mW
Impedance (Max) (Zzt):	80 Ohms
Current - Reverse Leakage @ Vr:	2µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1V @ 10mA
Operating Temperature:	--
Mounting Type:	Surface Mount
Package / Case:	SC-79, SOD-523
Supplier Device Package:	SSMini2-F5-B
Base Part Number:	DZ2S04V7

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Diodes - Zener - Single

DZ2S04700L Application Field and Working Principle

Introduction to the DZ2S04700L
The DZ2S04700L is a high reliability low leakage, 5 watt, 4.7 volt zener diode. It is designed for use in a variety of applications including DC to DC converters, voltage regulation, voltage protection, and voltage clamping. It features reverse breakdown Voltage stability, low parasitic capacitance, and can operate up to 70°C. It is manufactured by ZETEX and is available in through hole and SMT-SOP packages.Application Field of the DZ2S04700L
The DZ2S04700L is used in a variety of applications. It is especially useful in DC to DC converters, voltage regulation, low power voltage protection, and voltage clamping. DC to DC converters use the DZ2S04700L as a voltage regulator which allows the converter to operate in both buck and boost modes and provides voltage regulation down to 4.7 volts. It can also be used in voltage protection and voltage clamping applications. In voltage protection applications, the DZ2S04700L is used to protect sensitive circuitry from excessive input voltage. In voltage clamping applications, it is used to limit the voltage that is applied to a circuit.Working Principle of the DZ2S04700L
The DZ2S04700L is a zener diode. It works on the principle that when a reverse voltage is applied to the diode, electrons are accelerated and knocked off of nitrogen atoms to create electron-hole pairs. These electron-hole pairs are then collected at the zener junction and form an electric field between the anode and the cathode. This electric field breaks down the normally insulating junction resulting in a current flow. The breakdown voltage of the diode is determined by the N-type semiconductor material and is set at 4.7 volts. This is the voltage at which the diode will begin to conduct. The device is able to regulate the voltage over a range of 4.7 to 7.0VDC.Conclusion
The DZ2S04700L is a high reliability, low leakage 5 watt, 4.7 volt zener diode. It is used in DC to DC converters, voltage regulation, protection, and clamping applications. It features reverse breakdown Voltage stability, low parasitic capacitance, and can operate up to 70°C. Its working principle is based on the principle of creating electron-hole pairs at the zener junction when a reverse voltage is applied and then collecting those pairs to form an electric field between the anode and cathode, resulting in a current flow across the diode when the voltage reaches a predetermined breakdown voltage.

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