| Allicdata Part #: | 1N5991D-ND |
| Manufacturer Part#: |
1N5991D |
| Price: | $ 3.74 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Microsemi Corporation |
| Short Description: | DIODE ZENER 4.3V 500MW DO35 |
| More Detail: | Zener Diode 4.3V 500mW ±1% Through Hole DO-35 |
| DataSheet: | 1N5991D Datasheet/PDF |
| Quantity: | 1000 |
| 182 +: | $ 3.36538 |
| Series: | -- |
| Packaging: | Bulk |
| Part Status: | Active |
| Voltage - Zener (Nom) (Vz): | 4.3V |
| Tolerance: | ±1% |
| Power - Max: | 500mW |
| Impedance (Max) (Zzt): | 88 Ohms |
| Current - Reverse Leakage @ Vr: | 5µA @ 1V |
| Voltage - Forward (Vf) (Max) @ If: | 1.1V @ 200mA |
| Operating Temperature: | -65°C ~ 175°C |
| Mounting Type: | Through Hole |
| Package / Case: | DO-204AH, DO-35, Axial |
| Supplier Device Package: | DO-35 |
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The 1N5991D is a single Zener diode, which is used mainly in the fields of power supply regulation and voltage regulation. This diode offers a high level of protection and can easily regulate small voltage drops. It is also useful for high peak current protection or for applications needing low voltage protection.
The 1N5991D is widely used as a part of power supplies, as it allows for efficiency and stability as well as for the ability to regulate a given voltage. In particular, 1N5991D is a rectifier diode, meaning it can regulate the output voltage and enables the input power to be converted from AC to DC, or from DC to DC.
The working principle of the 1N5991D is straightforward. Electrons sort of "skip" across a junction between the semiconductor materials p-type and n-type, due to the reversed bias voltage applied to the junction. Thus, all the energy put in is usually dissipated as heat. The internal construction also contributes in the good performance of the diode. It consists of a single junction layer within a lapped surface that creates a very small area to ensure the maximum amount of electron flow.
In power supplies, reverse voltage protection is needed. The 1N5991D is often used for this purpose. When installed correctly and correctly connected, it works by limiting the reverse current from the protection diode, thus preserving or regulating the DC voltage. The working of the 1N5991D for reverse voltage protection is based upon the fact that the diode has a very low voltage forward drop and reverse leakage values.
The 1N5991D diode can also be used in many analog circuits. For example, it can be used as a clamping diode for voltage transients in order to protect the circuit from overvoltage. When connected in a specific manner, it can also be used to regulate the output voltage in switched power supplies. The control of the switch turns the circuit on and off, which allows the voltage to be regulated while the frequency of the circuit is kept constant.
In addition, the 1N5991D is also commonly used in many switching circuits and applications due to its fast switching speeds. This is because the diode\'s internal construction allows it to switch faster than other diodes. This is beneficial in areas where both high power and high speed are needed. The 1N5991D also features very low capacitance, which makes it useful for high-frequency switching activities.
The 1N5991D is a very useful diode in many fields. It offers excellent protection, a low voltage forward drop, and the ability to regulate voltage. Its fast switching capability makes it ideal for applications where high speed and high power are both important. The diode is also used in analog circuits and power supplies, as well as many switching circuits.
The specific data is subject to PDF, and the above content is for reference
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1N5991D Datasheet/PDF