SMBJ58A-E3/52

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TVS – Diodes, or Transient Voltage Suppressors, are a type of unidirectional semiconductor device whose primary purpose is to protect certain components from high-voltage transients. They are currently used in a wide range of applications, from automotive and aerospace to consumer electronics and more. The SMBJ58A-E3/52 is a specific type of unidirectional discretes one-way TVS diode, which can be used in a variety of applications for overvoltage surge protection. This device is available in an easy to install SOD-123 package, which makes it an ideal choice for board-level protection. Here, we will look at the specific application fields and operating principle of the SMBJ58A-E3/52.

The SMBJ58A-E3/52 is specifically intended for overvoltage protection in various electronic circuit designs, particularly in the fields of telecommunications and power distribution. It is designed to protect sensitive circuits and components from high-voltage transients and high-speed transient surge events, such as those caused by power surges, lightning strikes, and other sources. This device has a nonlinear, unidirectional characteristic and is offered in three different versions: E3/5.2, E3/5.3, and E3/5.4. All three versions have the same configuration and are available in the same SOD-123 package. They are also rated for the same maximum repetitive peak-off-state reverse voltage (VRRM) at 400 VDC.

The SMBJ58A-E3/52 works on the same principle as other TVS diodes. When an overvoltage transient is applied, it will conduct current away from the protected circuit and absorb the energy of the transient. This device is designed to respond quickly to overvoltage surges, with a fast response time of less than 1 nanosecond. When the surge passes, the device will return to its original low voltage state. What sets the SMBJ58A-E3/52 apart from other TVS diodes is its ability to handle high surge currents, up to 58A (Ipp). This makes it well suited for use in power distribution applications, where high-current transients can occur.

In addition to having a high surge current rating, the SMBJ58A-E3/52 also has a low leakage current rating, which helps reduce power dissipation in the protected circuit. Its low standoff voltage (VWM) of 5.2, 5.3, and 5.4, and low clamping voltage (VBR) of 9.2 and 9.5, highlight its suitability for use in a wide range of telecommunications and power distribution applications. Overall, the SMBJ58A-E3/52TVS diode is an ideal choice for protecting sensitive components from high-voltage transients.

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