BAV99-HE3-18 Discrete Semiconductor Products |
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Allicdata Part #: | BAV99-HE3-18GITR-ND |
Manufacturer Part#: |
BAV99-HE3-18 |
Price: | $ 0.02 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Vishay Semiconductor Diodes Division |
Short Description: | DIODE ARRAY GP 70V 150MA SOT23 |
More Detail: | Diode Array 1 Pair Common Cathode Standard 70V 150... |
DataSheet: | BAV99-HE3-18 Datasheet/PDF |
Quantity: | 1000 |
10000 +: | $ 0.01889 |
30000 +: | $ 0.01778 |
50000 +: | $ 0.01667 |
100000 +: | $ 0.01482 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Diode Configuration: | 1 Pair Common Cathode |
Diode Type: | Standard |
Voltage - DC Reverse (Vr) (Max): | 70V |
Current - Average Rectified (Io) (per Diode): | 150mA |
Voltage - Forward (Vf) (Max) @ If: | 1.25V @ 150mA |
Speed: | Small Signal = |
Reverse Recovery Time (trr): | 6ns |
Current - Reverse Leakage @ Vr: | 2.5µA @ 70V |
Operating Temperature - Junction: | -55°C ~ 150°C |
Mounting Type: | Surface Mount |
Package / Case: | TO-236-3, SC-59, SOT-23-3 |
Supplier Device Package: | SOT-23 |
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The BAV99-HE3-18 is a type of diode array that can be used for multiple purposes. The main application of this device is to act as a rectifier for the conversion of alternating current (AC) to direct current (DC). This type of rectification is commonly used for powering electronic devices, as the direct current allows for more precise control of the device than is available with alternating current.
The BAV99-HE3-18 also functions as an ESD protection diode, meaning it can be used to protect other components in the circuit from electrical surges or electrostatic discharge. This type of diode is also sometimes referred to as a transient voltage suppression (TVS) diode. The diode is able to detect and absorb sudden voltage surges or static electricity, preventing the surges from affecting other components in the circuit.
The BAV99-HE3-18 is a three-terminal device, with two terminals (cathode and gate) connected to the body of the diode and the third terminal (anode) connected to the anode of the device. The cathode terminal is connected to the anode terminal when the device is off, forming a reverse biased diode. When the device is on, the gate terminal is connected to the anode terminal, which allows current to flow through the device.
The BAV99-HE3-18 consists of two individual diodes connected in a parallel configuration, with the gate terminal at the shared connection between the two diodes. The two diodes are of different types, each having different characteristics. The first diode is a conventional P-type diode, which is used for rectification. The second diode is a Zener diode, which is used for the ESD protection capability.
The working principle of the BAV99-HE3-18 is fairly simple and can be summarized as follows: when the voltage across the diode exceeds the reverse breakdown voltage of the zener diode, the zener diode will conduct and become forward bias, allowing current to flow from the gate to the anode. This current will cause the p-type diode to become forward biased and allows current to flow from the anode to the cathode. This results in the conversion of AC power into DC power.
In addition to the rectification and ESD protection capabilities, the BAV99-HE3-18 is also able to provide active surge suppression. This is done through the use of special components in the device which sense the voltage surge, and then react to limit the surge to a level which is not dangerous to the circuit. This type of surge protection is especially useful in automotive and other applications where an electrical system may be exposed to large and sudden electric surges.
In conclusion, the BAV99-HE3-18 is a versatile diode array which can provide rectification for powering electronic devices, as well as providing ESD and active surge protection. The device is easy to use and reliable, making it an ideal choice for a variety of applications. As more electronic components become more sensitive to surges and other power related issues, the need for reliable and efficient protection solutions becomes more important, making the BAV99-HE3-18 an excellent choice for such applications.
The specific data is subject to PDF, and the above content is for reference
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