| Allicdata Part #: | BZX84C3V9-E3-08GITR-ND |
| Manufacturer Part#: |
BZX84C3V9-E3-08 |
| Price: | $ 0.03 |
| Product Category: | Discrete Semiconductor Products |
| Manufacturer: | Vishay Semiconductor Diodes Division |
| Short Description: | DIODE ZENER 3.9V 300MW SOT23-3 |
| More Detail: | Zener Diode 3.9V 300mW ±5% Surface Mount SOT-23-3 |
| DataSheet: |  BZX84C3V9-E3-08 Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.02587 |
| 6000 +: | $ 0.02249 |
| 15000 +: | $ 0.01912 |
| 30000 +: | $ 0.01799 |
| 75000 +: | $ 0.01687 |
| 150000 +: | $ 0.01499 |
Specifications
| Series: | Automotive, AEC-Q101 |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Voltage - Zener (Nom) (Vz): | 3.9V |
| Tolerance: | ±5% |
| Power - Max: | 300mW |
| Impedance (Max) (Zzt): | 90 Ohms |
| Current - Reverse Leakage @ Vr: | 3µA @ 1V |
| Operating Temperature: | -55°C ~ 150°C |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package: | SOT-23-3 |
Description
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The BZX84C3V9-E3-08 is a member of the diode-zener family,specifically a single diode. It provides an efficient and reliable methodof regulating electrical currents and voltage levels. The applicationfield of BZX84C3V9-E3-08 is wide and varied , depending on theapplication and the type of application. Most commonly,it is used in circuit designs where elements need to be regulated,such as in power supplies, surge protection circuits and artificialintelligence systems.In general, the BZX84C3V9-E3-08 acts as a voltage regulator,keeping the voltage levels within a specified range, eliminatinglarge spikes and dips in certain currents or signals. It is also usedfor stabilizing signals and regulating input voltage in manyelectronic systems.The BZX84C3V9-E3-08 has two terminals, an anode and acathode, as well as a gate. To understand the working principle ofthe BZX84C3V9-E3-08, the development of semiconductors anddiodes needs to be first explored. By using the PN-junction of asemiconductor, diodes are able to convert alternating current, orAC, into direct current, or DC. When forward bias is applied, theforward voltage causes the PN-junction to be crossed, and thusallowing current to flow through the diode.For the BZX84C3V9-E3-08, the voltage applied needs to begreater than the breakover voltage of the diode and the currentmust be limited to ensure that the power dissipation is withinspecification. We can use the equation below to calculate themaximum power dissipation rating of the device with givenparameters:P = VD2/RztWhere P is power in watts; VD is the voltage across thediode, in volts; and Rzt is the zener test efficiently, inohms.When a reverse bias is applied to the diode, the PN-junctionacts as an insulator and blocks any current from flowing throughthe diode. However, when the reverse-bias voltage is highenough, a breakdown occurs and the current is allowed to flowwith a specific voltage, that is known as the Zener breakdownvoltage.Usually, the Zener breakdown voltage is higher than thebreakover voltage, but still within the specified range of thedevice, ensuring that voltage regulation is obtained. In theBZX84C3V9-E3-08, the Zener breakdown voltage is approximately3.9 volts.The BZX84C3V9-E3-08 also provides protection against currentsurges in certain applications. This is because, when the reversebias on the diode is increased, the PN-junction will besuppressed and won’t be able to go past the Zener breakdownvoltage, limiting the current that is conducted and thus protectingthe system.Another benefit of the BZX84C3V9-E3-08 comes from thecombination of the Zener breakdown voltage and the breakovervoltage, as the device will trigger not only the Zener breakdownbut also the breakover voltage. This ensures that the device willbegin regulating current and voltage levels at two different points.The BZX84C3V9-E3-08 also provides a relatively lownoise level in certain situations such as in roboticsapplications. This is because, when voltage is regulated, thevoltage spikes that create noise are eliminated and hencereducing noise.In conclusion, the BZX84C3V9-E3-08 is a single diodethat provides efficient voltage and current regulation, with thebenefit of surge protection and low noise levels. The device issuitable for a wide range of applications, and specifically for thosewhere elements need to be regulated.
The specific data is subject to PDF, and the above content is for reference
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