
Allicdata Part #: | 1N938BUR-1-ND |
Manufacturer Part#: |
1N938BUR-1 |
Price: | $ 11.56 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Microsemi Corporation |
Short Description: | ZENER DIODE |
More Detail: | Zener Diode |
DataSheet: | ![]() |
Quantity: | 1000 |
100 +: | $ 10.40210 |
Series: | * |
Part Status: | Active |
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Introduction
1N938BUR-1 is a type of single Zener diode. Diodes are two-terminal electronic components which conducts current in one direction and is designed to prevent current from flowing in the opposite direction. Zener diodes are diodes which can be purposely designed to break down when a certain reverse voltage is applied, allowing to limit the voltage across a circuit. Single Zener diodes are designed with a single junction for voltage regulation.
Applications
The single Zener diode, 1N938BUR-1, has a wide variety of possible applications. It is suited for general purpose use, and may be employed wherever a Zener diode is needed in order to limit the voltage. Examples of such applications include low power voltage regulation, Voltage-dependent switching, electronic lab experiments, circuit testing, and part substitution. The Zener diode must have at most one zener voltage lower than the device\'s voltage rating.
Working Principle and Usage
The 1N938BUR-1 works through the use of tunnel diodes which are junction diodes in which the band gap is mismatched. This mismatching of the band gap leads to the formation of a barrier which can only be overcome by a certain minimum voltage. The 1N938BUR-1 has a high-dynamic differential resistance, which provides a stable operation over a wide temperature range. The Zener diode should be connected in series with the load in order to prevent the reverse current flow.
The usage of the device is relatively simple. The anode of the device should be connected to the resistor and the cathode should be connected to the source. The resistor should be of high resistance in order to properly dissipate the heat and in relation to the Zener voltage. After that, the Zener diode can be connected to the load via a third lead, typically the middle pin of the diode.
Advantages
The 1N938BUR-1 offers several advantages over similar products. It has a low reverse leakage current, meaning that when it is in the reverse-bias condition, not much current will flow. It also has a high dynamic differential resistance, which means it has a stable operation over a wide temperature range. Finally, the device is available in a variety of package sizes, making it easier to use in a variety of applications.
The specific data is subject to PDF, and the above content is for reference
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