1N4732CP/TR8

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	4.7V
Tolerance:	±2%
Power - Max:	1W
Impedance (Max) (Zzt):	8 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-65°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)
Base Part Number:	1N4732

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Introduction

The 1N4732CP/TR8 is a low voltage Zener diode, which is a type of voltage regulating device used primarily in electronic circuits. This component is designed to allow a controlled capacity of reverse current to flow through it when it is exposed to a positive voltage, thereby regulating the voltage flow. Such diodes have many applications in consumer electronics, automotive electronics, and industrial electronics, as well as other electronic devices.

Application Field

The 1N4732CP/TR8 is suitable for a variety of applications, such as voltage-sensitive devices, overvoltage protection, and many other applications. This diode is most commonly found in consumer electronics. It is used in devices such as computers, televisions, DVD players, digital cameras, and other consumer electronics, in order to protect sensitive components from high voltage surges. For example, in a computer, the 1N4732CP/TR8 is used to prevent damage from an overvoltage condition.It is also used in automotive electronic applications, such as for voltage regulation in LED systems and for automotive electric control units. It is also often used in industrial equipment and instrumentation, such as in DC-DC converters and in injection systems.

Working Principle

The 1N4732CP/TR8 behaves like a typical Zener diode when a given voltage is applied across its P/N terminals. Its characteristic feature is its breakdown voltage, which defines the value at which the diode starts conducting current in the reverse direction. This breakdown voltage can be changed by altering the concentration of the dopants inside the semiconductor.The working principle of the diode is essentially a two-stage process. Firstly, when a voltage is applied to the diode, the electrons in the semiconductor become excited and begin to recombine with the holes in the semiconductor, creating additional carriers of electric charge, or “holes.” Secondly, when the voltage applied to the diode reaches the breakdown voltage, these holes cross the junction, resulting in the diode conducting current in the reverse direction. This allows for the voltage across the diode to be regulated and the current to be controlled.

Conclusion

The 1N4732CP/TR8 is a low voltage Zener diode, which is ideal for applications requiring voltage regulation. It is commonly used in consumer electronics, automotive electronics, and industrial electronics, as well as other applications. Its working principle is a two-stage process, whereby the diode conducts current in the reverse direction when exposed to a voltage above its breakdown voltage, thereby allowing for voltage regulation and current control.

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