PTV33B-E3/85A Allicdata Electronics
Allicdata Part #:

PTV33B-E3/85A-ND

Manufacturer Part#:

PTV33B-E3/85A

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: Vishay Semiconductor Diodes Division
Short Description: DIODE ZENER 35V 600MW DO220AA
More Detail: Zener Diode 35V 600mW ±6% Surface Mount DO-220AA (...
DataSheet: PTV33B-E3/85A datasheetPTV33B-E3/85A Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: eSMP®
Packaging: Tape & Reel (TR) 
Part Status: Obsolete
Voltage - Zener (Nom) (Vz): 35V
Tolerance: ±6%
Power - Max: 600mW
Impedance (Max) (Zzt): 18 Ohms
Current - Reverse Leakage @ Vr: 10µA @ 25V
Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
Operating Temperature: 150°C
Mounting Type: Surface Mount
Package / Case: DO-220AA
Supplier Device Package: DO-220AA (SMP)
Description

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Diodes - Zener - Single is a classification that includes a type of diode used to regulate voltage. The PTV33B-E3/85A is one example of a diode under this classification. This diode can be used for diverse applications and its working principle is based on a phenomenon known as the Zener Effect. A regular diode, in the reverse biased state, allows a small amount of electric current to flow without affecting its forward characteristics. Furthermore, this electric current is independent of the reverse biasing voltage. This phenomenon of small reverse current is known as reverse saturation current. However, when the reverse biasing voltage exceeds a certain threshold, the electric current increases exponentially and the resulting effect is known as the Zener Effect.The PTV33B-E3/85A diode is a type of diode that primarily works on the basis of the Zener Effect. Its primary application is in low-voltage applications such as those in the automotive and electronics industry. Its Zener voltage is 3.3V and its maximum breakdown voltage is 5V which makes it an ideal choice for regulating small voltages. In these applications, its working principle is simple. Consider an example where a 12V upstream supply has to be regulated to 5V downstream. In this case, the PTV33B-E3/85A diode is connected such that it is reverse biased. This means that the cathode of the diode is connected to the 12V supply, and the anode is connected to the 5V supply. Now, when the current passes through the diode, it will cause the diode to reach its Zener voltage which is 3.3V. As the current tries to cross the diode to reach the 5V supply, the Zener voltage creates a reverse biased condition, thereby ensuring that only the required 5V is delivered downstream. This is known as voltage regulation.The PTV33B-E3/85A diode is just one example of a Zener diode. Other Zener diodes are used in similar ways, depending on how much voltage is needed to be regulated. For example, higher breakdown voltages require higher powered Zener diodes. The use of Zener diodes also eliminates the need for additional components like resistors. This saves up on cost, space and weight. Furthermore, Zener diodes can handle large variations in current, making them ideal for use in switching applications and analog circuits.To conclude, Zener diodes such as the PTV33B-E3/85A are very useful in the regulation of low-voltage applications. They work on the basis of the Zener Effect where a reverse bias is created when a certain threshold voltage is reached, ensuring that only the required voltage is delivered downstream. Thus, the PTV33B-E3/85A diode can be used in a multitude of applications while saving on cost, space and weight.

The specific data is subject to PDF, and the above content is for reference

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