SMBJ28CA Circuit Protection |
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Allicdata Part #: | SMBJ28CALFTR-ND |
Manufacturer Part#: |
SMBJ28CA |
Price: | $ 0.00 |
Product Category: | Circuit Protection |
Manufacturer: | Littelfuse Inc. |
Short Description: | TVS DIODE 28V 45.4V DO214AA |
More Detail: | N/A |
DataSheet: | SMBJ28CA Datasheet/PDF |
Quantity: | 42000 |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Series: | SMBJ |
Packaging: | Tape & Reel (TR) |
Lead Free Status / RoHS Status: | -- |
Part Status: | Active |
Moisture Sensitivity Level (MSL): | -- |
Type: | Zener |
Bidirectional Channels: | 1 |
Voltage - Reverse Standoff (Typ): | 28V |
Voltage - Breakdown (Min): | 31.1V |
Voltage - Clamping (Max) @ Ipp: | 45.4V |
Current - Peak Pulse (10/1000µs): | 13.3A |
Power - Peak Pulse: | 600W |
Power Line Protection: | No |
Applications: | General Purpose |
Capacitance @ Frequency: | -- |
Operating Temperature: | -65°C ~ 150°C (TJ) |
Mounting Type: | Surface Mount |
Package / Case: | DO-214AA, SMB |
Supplier Device Package: | DO-214AA (SMBJ) |
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TVS - Diodes are widely used components in modern electronics. Among them, SMBJ28CA diode offers an efficient solution for overvoltage protection as well as for a variety of other applications. This article will explain the application field and working principle of the SMBJ28CA diode in detail.
Applications of the SMBJ28CA diode
The SMBJ28CA diode is mainly used for overvoltage protection. It is an uni-directional surface mount diode with a low clamping voltage of 28V and a typical peak pulse power rating of 1500W. This diode can be used for a wide variety of applications, including over current protection, overvoltage protection, ESD (electro static discharge) protection, inductive load switched protection, surge suppression and motor control protection. It can also be used to provide reliable immunity against transients, surges and spikes in sensitive electronic systems.
The SMBJ28CA diode is commonly used as current-limiting devices in automotive electronics, power supplies, and communication circuits. It is suitable for use in board level applications as well as in power distribution systems. The SMBJ28CA diode is also used in medical systems to protect them from overcurrent situations caused by excessive power or short circuits.
Working principle of the SMBJ28CA diode
The SMBJ28CA diode is based on a Zener breakdown technology. It consists of two terminal anode and cathode connected to a p-n junction diode. When the anode terminal is connected to a positive voltage, the diode starts conducting current in a controlled manner. This helps to maintain a constant voltage across the diode. In a single-directional configuration, the SMBJ28CA diode acts as a Zener diode. This means it is capable of keeping a constant voltage drop across its terminals even when the input voltage varies.
In an opposite-directional configuration, the SMBJ28CA diode acts as a voltage-dependent suppressor. In this case, the diode starts conducting current when the voltage across its terminals reaches a certain threshold. This in turn helps to protect the connected device from high voltage surges. The SMBJ28CA diode also acts as a temperature-sensitive device. Its reverse breakdown voltage will change based on the temperature. This helps to ensure a controlled voltage across the diode in order to keep the connected device protected against overvoltage.
Conclusion
The SMBJ28CA diode is an efficient solution for a variety of applications, such as overcurrent and overvoltage protection. It is mainly used as a unidirectional diode for surge suppression and ESD protection. The diode is based on a Zener breakdown technology and acts as a voltage dependent suppressor when connected in an opposite-directional configuration. In addition, the SMBJ28CA diode is also temperature-sensitive and its reverse breakdown voltage will change according to the temperature in order to protect the connected device against overvoltage.
The specific data is subject to PDF, and the above content is for reference
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