SMBJ48A

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TVS – Diodes refer to Transient Voltage Suppression Diodes. They are transient voltage protection devices which provide reliable protection from the sudden rise of voltage above the normal working level. The latest addition to the TVS diode offerings is the SMBJ48A. This diode is designed to provide reliable and cost-effective protection for data lines by suppressing high frequency transients.

SMBJ48A is a high-reliability dual-channel bidirectional transient voltage suppressor with its peak pulse power rating of 600 Watts. This diode is based on the state-of-the-art technology allowing its achievement of high protection capability with low capacitance. It is provided in a SOT-23 package and has a reverse polarity of -5V to +7V which makes it a widely accepted diode for system design.

The key features of SMBJ48A include low profile package which offers ultra-low capacitance, low operating voltage of 6V~7V, low reverse leakage current, and control of high peak current during surge events which is up to 35A. This diode also provides ESD and EFT protection up to 600 Watts.

The SMBJ48A is very reliable and is suitable for automobile, industrial and communications applications. It is used in mobile phone battery charging interfaces, HDMI cables, USB ports, automotive systems, communications equipment, industrial equipment, and consumer electronics. The low clamping voltage and low leakage current enable the SMBJ48A to provide over-voltage protection in a variety of applications.

The working principle of SMBJ48A is based on the breakdown mechanism phenomenon which takes place as current passes through the diode. When the current passes through the diode, it allows electrons to pass through the P-N junction. This causes a strong electric field at the junction which then breaks down the P-N junction and thus allows current to continue to flow. This breakdown phenomenon is what causes the voltage to be clamped and the transient surge to be suppressed.

The SMBJ48A is a reliable and cost-effective diode which offers efficient protection from the transients of fluctuating voltages. Its low profile package, low reverse leakage current, and low operating voltage make it an essential addition to any system design for reliable and safe operation.

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