Allicdata Part #: | MM3Z4V7CTR-ND |
Manufacturer Part#: |
MM3Z4V7C |
Price: | $ 0.03 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | ON Semiconductor |
Short Description: | DIODE ZENER 4.7V 200MW SOD323F |
More Detail: | Zener Diode 4.7V 200mW ±5% Surface Mount SOD-323F |
DataSheet: | MM3Z4V7C Datasheet/PDF |
Quantity: | 1676 |
3000 +: | $ 0.02358 |
6000 +: | $ 0.02051 |
15000 +: | $ 0.01743 |
30000 +: | $ 0.01641 |
75000 +: | $ 0.01538 |
150000 +: | $ 0.01367 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Voltage - Zener (Nom) (Vz): | 4.7V |
Tolerance: | ±5% |
Power - Max: | 200mW |
Impedance (Max) (Zzt): | 75 Ohms |
Current - Reverse Leakage @ Vr: | 2.7µA @ 2V |
Voltage - Forward (Vf) (Max) @ If: | 1V @ 10mA |
Operating Temperature: | -65°C ~ 150°C |
Mounting Type: | Surface Mount |
Package / Case: | SC-90, SOD-323F |
Supplier Device Package: | SOD-323F |
Base Part Number: | MM3Z4V7 |
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A Zener diode is one of the most versatile components available and can be used for applications ranging from protecting digital circuits to producing the high voltage required for automotive and scientific instruments. The MM3Z4V7C is a single-stage device, specially designed for voltage regulation applications requiring low forward voltage drop. This article will cover the application field, working principle and recommended usage conditions for the MM3Z4V7C.
Application Field
MM3Z4V7C is most commonly used in regulating voltage, such as in power supplies, LED lighting and other voltage-sensitive equipment. It is also suitable for applications which require a constant current despite varying load conditions. Due to its low forward voltage drop, it is suitable for overcoming voltage drops in wiring and power supplies. The Zener voltage is accurately set during fabrication, ensuring a reliable, accurate and consistent output.
Working Principle
The working principle behind the MM3Z4V7C is based on its unique characteristics. It utilizes the principle of reverse breakdown whereby forward current is passed through a diode, resulting in electrons being accelerated until enough of them arrive at a PN junction and cause a breakdown. This process results in a voltage spike, determined by the breakdown voltage of the diode. The built-in Zener diode regulates the voltage spike to a constant output.
The device operates in Zener breakdown mode, where the voltage increases until it deviates from the Zener voltage by more than several millivolts. Once the breakdown voltage has been reached, the voltage stays constant regardless of further increases in current until it meets its power rating. This makes it an ideal choice for voltage regulation applications as it ensures an accurate and consistent output in line with the diode’s rated specifications.
Recommended Usage Conditions
The MM3Z4V7C’s relatively low Zener voltage of 4.0V makes it suitable for use in consumer electronics and smaller power supplies, however the device is not rated for high voltage applications. It must be used within the range of its operating temperature and power rating to ensure maximum efficiency and reliable performance. The diode must also be correctly polarized to ensure optimal performance as Reverse Breakdown does not occur if the voltage applied is negative.
When connecting the MM3Z4V7C to a circuit, it is important to pay attention to the polarity of the diode. If the diode is connected in reverse, it may breakdown and damage the device. It is also important to ensure that the voltage drop across the Zener diode is kept within the specified range to ensure it is operating within its safe operating area.
In summary, the MM3Z4V7C is a single-stage voltage regulator device suitable for applications requiring low forward voltage drop. It operates in Zener breakdown mode and can be used for a variety of applications, such as voltage regulation and overcoming voltage drops in wiring and power supplies. It has an accurately set Zener voltage, and its current and power ratings should be taken into consideration when using it. Finally, the diode must be correctly polarized and its voltage drop should be kept within its specified range to ensure safe operation.
The specific data is subject to PDF, and the above content is for reference
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