SMBJ4738A/TR13

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The SMBJ4738A/TR13 diode is a single zener diode designed for low-power protection from transient overvoltage. This diode is recommended for transient and alternative energy applications, such as battery-powered applications, in which reverse polarization or overvoltage can occur. This diode is designed to dissipate up to 500 mW (at fusing current) with a maximum reverse voltage of 47 V. It has a breakdown voltage of 37 to 40 V with ±5% of rated zener voltage tolerance.

The SMBJ4738A/TR13 diode is a common-anode, single zener diode configuration. The reverse breakdown voltage is guaranteed to be within a range of 37 - 40 V. The external components of this diode include two terminals: the anode and cathode. The anode of the diode is connected to the supply voltage, and the cathode is connected to ground or to the load. The working principle of this diode is when voltage is applied to the anode and is greater than the reverse breakdown voltage, the diode will conduct current. This ensures that the voltage across the diode cannot exceed the reverse breakdown voltage, thus protecting the device from overvoltage.

This diode is suitable for a variety of applications such as surge protection, transient protection, input/output protection, and reverse voltage protection. The SMBJ4738A/TR13 can be used in a wide variety of applications including automotive, industrial, medical, and consumer electronics. It is also suitable for use in a number of alternative energy applications, such as solar power and wind power applications, where the diode can protect the device from excessive voltage.

The SMBJ4738A/TR13 is an ideal diode for general circuit protection, reverse voltage protection and transient voltage suppression. Its low power losses, low on-resistances, and easy to use configuration make it an ideal choice for a variety of applications. The SMBJ4738A/TR13 diode has a wide operating temperature range of -40°C to +105°C and is capable of handling currents up to 15 A. Its low reverse leakage current also makes it suitable for high-precision current sensing and low-power voltage regulator applications.

In summary, the SMBJ4738A/TR13 is a low-power Zener diode designed for transient and alternative energy protection. With its wide operating temperature range, low on-resistance, low power losses, and low reverse leakage current, this diode is ideal for a variety of applications such as surge protection, transient protection, input/output protection, and reverse voltage protection. Its simple to use configuration makes it well suited for a number of general-purpose circuit protection needs.

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