SMBJ90A-E3/52

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TVS - Diodes

TVS, also known as Transient Voltage Suppressor, is a diode that helps limit and protect devices from voltage surges and spikes. The SMBJ90A-E3/52 is a TVS diode that is suitable for a variety of applications. This article will discuss the SMBJ90A-E3/52\'s application fields and working principles.

Application Field of SMBJ90A-E3/52

The SMBJ90A-E3/52 is an unidirectional, epoxy-encapsulated device derived from glass passivated junction technology. This diode has a peak pulse power dissipation of 1500W. Its peak pulse current can reach up to 400A and features a working voltage of 90V to overvoltage circuits with a wide variety of diodes being available for different ratings.

The SMBJ90A-E3/52 is suitable for a variety of applications. It can be used for telecom and datacom applications such as optical receivers, xDSL modems, set-top boxes, and Ethernet transmission lines. It\'s also great for a range of computer applications such as hard disc drives, motherboards and network servers. For automotive applications, the SMBJ90A-E3/52 can be used in electronic fuel injection systems, engine control units, and powertrains.

Working Principle of SMBJ90A-E3/52

The working principle of the SMBJ90A-E3/52 diode is relatively simple. It uses the heavily doped junction of the P-N semiconductor to absorb all transient voltages and currents. The diode has a low capacitance and leakage current, allowing it to absorb and dissipate the high frequency transient spikes quickly. The SMBJ90A-E3/52 can keep a steady input voltage supplied to whatever application it is protecting.

In addition to protection, the SMBJ90A-E3/52 diode also helps limit any voltage differentials. This reduces the conduction of counter-EMF, consequently reducing the effects of parasitic inductances. Furthermore, it has high thermal performance and low capacitance, making it suitable for use in a variety of high-speed applications.

The SMBJ90A-E3/52 is also designed to operate quickly and efficiently. It has an ultra-fast response time of less than 1 nanosecond which makes it perfect for shifting and peak power surges. The device is highly reliable and has low forward voltage drops, making it suitable for use in applications where power supply lines are being continually operated.

Conclusion

The SMBJ90A-E3/52 is a TVS diode that is suitable for a variety of applications. It can be used for telecom and datacom applications, computer applications, and automotive applications. The diode uses the heavily doped P-N junction to absorb transient voltages and currents, and to limit voltage differentials. It has a low capacitance and leakage current, as well as an ultra-fast response time and low forward voltage drops. These features make the SMBJ90A-E3/52 TVS diode an efficient and reliable device for applications that are subject to transient voltage surge and spikes.

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