![1PMT4119/TR7 Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | 1PMT4119/TR7-ND |
Manufacturer Part#: |
1PMT4119/TR7 |
Price: | $ 0.50 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Microsemi Corporation |
Short Description: | DIODE ZENER 28V 1W DO216 |
More Detail: | Zener Diode 28V 1W ±5% Surface Mount DO-216 |
DataSheet: | ![]() |
Quantity: | 1000 |
3000 +: | $ 0.45545 |
Series: | POWERMITE® |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 28V |
Tolerance: | ±5% |
Power - Max: | 1W |
Impedance (Max) (Zzt): | 200 Ohms |
Current - Reverse Leakage @ Vr: | 10nA @ 21.28V |
Voltage - Forward (Vf) (Max) @ If: | 1.1V @ 200mA |
Operating Temperature: | -55°C ~ 150°C |
Mounting Type: | Surface Mount |
Package / Case: | DO-216AA |
Supplier Device Package: | DO-216 |
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The 1PMT4119/TR7 diodes belong to the class of Zener single diodes, which are classified into two main groups: poise and avalanche. Poise diodes use a built-in electric field to provide a reverse-bias voltage drop, while avalanche diodes provide a reverse breakdown voltage that increases with current.
The 1PMT4119/TR7 application field includes power supply design, over-voltage protection and other electronic systems. In a power supply design application, these diodes can be used to protect components from reverse voltage spikes or for direct connection of AC/DC power converters.
The working principle of 1PMT4119/TR7 diodes is based on the Zener make voltage effect. When the device is forward biased to a certain voltage, it creates a space charge region in which an electric field is formed. When the electric field is strong enough it can create a reverse potential barrier in the p-n junction, which forces electrons and holes to conduct in the opposite direction. This effect is used to create a stable voltage level that remains constant regardless of the external voltage. This voltage is called the Zener voltage.
The 1PMT4119/TR7 diodes are designed to provide a Zener voltage of 41V at an operating current of approximately 1mA. In order to avoid device breakdown during large fluctuations, the 1PMT4119/TR7 has an additional capability known as power limiting. This feature allows the device to self-regulate its output current so that it cannot exceed a certain safe limit determined by the diode’s design.
The 1PMT4119/TR7 is ideal for use in applications where precise, repeatable and reliable Zener voltage is required. This device is particularly well-suited for use in automotive applications where the Zener voltage needs to remain constant and stable despite changes in the external environment.
In short, the 1PMT4119/TR7 Zener single diode is a reliable power switching device that is designed to provide a stable voltage level in a wide range of applications. It is particularly useful in situations where precise and repeatable Zener voltages are required.
The specific data is subject to PDF, and the above content is for reference
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