ZPY39-TR

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	39V
Tolerance:	±5%
Power - Max:	1.3W
Impedance (Max) (Zzt):	30 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 29V
Operating Temperature:	175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41

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Diodes - Zener - Single: ZPY39-TR Application Field and Working Principle

The ZPY39-TR is a single Zener diode made from silicon semiconductor technology. It is used in a variety of applications, including power supply filters and overvoltage protection. It is available with a wide voltage range of 4.7V to 33V, making it ideal for use with a variety of circuit designs. In this article, we will discuss the applications and working principle of the ZPY39-TR.

Applications of the ZPY39-TR

The ZPY39-TR is commonly used as a power supply filter, where it provides protection against overvoltage. It is also used as an input protection device, where it can prevent short circuit conditions from occurring in high current components. The ZPY39-TR is also popular in regulator circuits, where it can provide stable output voltages from varying input voltages. Furthermore, the ZPY39-TR can also be used in overvoltage protection circuits, where it can limit part damage from high voltages.

Working Principle of the ZPY39-TR

The ZPY39-TR works on the principle of Zener breakdown. Zener breakdown occurs when the PN junction of the diode is subjected to a high electrical reverse bias voltage. As the voltage continues to increase, the electric field of the diode exceeds the critical break-down electric field of the diode and an avalanche of electrons is generated. This causes a large amount of current to flow through the diode, which limits the voltage across the diode to the Zener voltage of the device.The ZPY39-TR is specifically designed to operate in the region of breakdown. It is made with a PN junction that has a low Iv and Iz, which means that the diode is more stable and can hold a higher breakdown voltage. Furthermore, the ZPY39-TR also has an integrated spike protection feature which prevents damage to the diode due to voltage spikes.

Conclusion

In conclusion, the ZPY39-TR is a single Zener diode that has many uses in circuit designs ranging from power supply filters and overvoltage protection. It operates on the principle of Zener breakdown, where a large current is generated when the PN junction is subject to a large reverse voltage. The ZPY39-TR is designed with a low Iv and Iz so that it can hold a higher breakdown voltage and has an integrated spike protection feature to prevent voltage spikes from damaging the diode.

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