1N4923A

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	19.2V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	150 Ohms
Operating Temperature:	-55°C ~ 100°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35

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Diodes - Zener - Single

1N4923A is a two-lead single zener diode that has been widely used in many applications involving microcontrollers, transistors and other circuits. This diode can be used for regulating voltage and current, as well as for protecting the circuit from overvoltage situations.

Application Fields

The 1N4923A zener diode is commonly used for circuit protection, voltage regulation, and general voltage control. It can be used in all types of electronic circuits, both AC and DC. It can be used to regulate the voltage and current in microcontrollers, transistors, amplifiers and other integrated circuits, in order to reduce or prevent damage to the circuit.1N4923A is also used to protect secondary parts of the circuit from receiving too much voltage as it is able to break down and regulate voltage levels. It can also be used to prevent surges and spikes, thus protecting more sensitive components in the circuit. It can be used as a variable resistance in order to allow for more flexibility in the design of a circuit.

Working Principle

The basic component of a zener diode is a conventional PN semiconductor, composed of n-type and p-type semiconductors, with a specific diode voltage (Vz) between them, determined by the type and composition of the semiconductors. When a voltage is applied, current flows through the diode. When the applied voltage reaches Vz, the behavior of the diode changes drastically, allowing the current to flow “in reverse”. This phenomenon is called Zener breakdown.The 1N4923A is a two-terminal zener diode which operates at a breakdown voltage of 5.6 volts. Its reverse avalanche characteristics are guaranteed over a wide range of current voltage and temperature conditions. This diode enables controlled conduction under both forward and reverse biased states, thus ensuring stable and reliable operation of the circuit.

Conclusion

The 1N4923A zener diode is a useful component for many kinds of applications, such as in microcontrollers, transistors and other circuits. It can be used to protect components from receiving too much voltage, as well as for regulating voltage and current levels in the circuit. Its working principle is based on the reverse avalanche effect of a PN semiconductor and its controlled conduction under both forward and reverse biased states. The 1N4923A zener diode is a reliable and stable component which can be used in many different circuits.

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