SMBJ4735A/TR13

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The SMBJ4735A/TR13 is a Single Zener Diode designed to provide overvoltage protection and precision references to power supplies, data and signal lines. It has a wide range of applications and is suitable for use on the input or output of a voltage transformer, in both circuit protection and voltage reference systems.

The SMBJ4735A/TR13 is suitable for use in a variety of high power, high voltage applications. It features high peak voltage and power handling capability, superior breakdown voltages and low dynamic impedance. Its reverse stand-off voltage characteristic is superior to most other devices. The diode is available in a variety of package styles, providing options for use in a wide range of applications.

The SMBJ4735A/TR13 features low voltage requirements, making it ideal for use in low power applications. It has a low forward voltage drop, which reduces the amount of power needed to drive the diode. The diode also has an outstanding thermal performance, with a maximum junction temperature of -40°C to +125°C. This provides reliable operation over a wide range of operating temperatures.

The working principle of the SMBJ4735A/TR13 Zener Diode is based on the principle of avalanche breakdown. A voltage applied to the anode causes current to flow through the junction, and if the voltage is high enough, an avalanche breakdown occurs. This is a phenomenon where free charge carriers are multiplied in number by the energy generated by the applied voltage, making a junction of ions and electrons. The electrons created in the breakdown then reach the anode, creating a current flow. The breakdown voltage is determined by the PN junction and can be controlled by adjusting the doping level in the semiconductor materials.

The SMBJ4735A/TR13 also features an excellent thermal impedance, with an operating range of -40°C to +125°C. This allows it to remain stable over a wide range of temperatures and helps to minimize the need for operational cooling. It is suitable for use in high temperature applications, providing reliable and stable operation.

The SMBJ4735A/TR13 is ideal for use in a variety of power and signal line protection applications, as well as voltage reference applications, such as in power supply regulators, precision reference voltage circuits, data swapping, and cell phone charging. It is also used in automotive applications, such as airbag, crash monitoring, and alternator and starter components.

The SMBJ4735A/TR13 Zener Diode is a simple and effective solution for providing overvoltage protection and precision references to power supplies, data lines, and signal lines. It is suitable for use in a variety of high power, high voltage, and low voltage applications and has a wide operating temperature range for reliable operation.

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