SMBJ5357B/TR13

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The SMBJ5357B/TR13 is a 500 mW surface mount, 0.2 ohm, 5.6 Voltstandoff, Zener diode. It is primarily used to protect circuits from being affected by overvoltage transients. It also provides a Zener voltage reference for various applications.

The SMBJ5357B/TR13 is designed with a standoff voltage of 5.6V and has a power dissipation rating of 500 mW. The Zener diode has a 0.2 ohm series resistance. It is available in the UltraSmall SOD-123 surface mount package and is RoHS compliant.

The SMBJ5357B/TR13 is a popular Zener diode, with a wide range of applications. It is used in automotive, telecommunications, and consumer electronics applications, among others. In particular, it is commonly used in power supply protection circuits and voltage-clamping applications.

The working principle of the SMBJ5357B/TR13 is the same as any other Zener diode. When a voltage greater than the Zener threshold voltage is applied to the diode, it starts to conduct. This is because the Zener breakdown occurs and the current starts to flow through the diode. The Zener voltage is determined by the physical design of the diode, and in the case of the SMBJ5357B/TR13 it is 5.6 Volts.

When the applied voltage falls below the Zener voltage, the current stops flowing through the diode. The SMBJ5357B/TR13 has a low series resistance, which helps to keep the voltage across the diode at a constant value when it is conducting. This is why it is used in power supply protection circuits, as it will remain in this state for long periods of time.

The SMBJ5357B/TR13 can also be used as a voltage reference in various applications. Since the Zener voltage is fixed, it can be used to generate a stable and consistent voltage for voltage regulation circuits. It is also often used in temperature measurements as its Voltage-Temperature-Coefficient (VTC) is low.

In summary, the SMBJ5357B/TR13 is a Zener diode designed to protect circuits from overvoltage transients. It can also be used as a voltage reference in various applications. The diode has a wide range of applications and is an economical, reliable, and effective choice for many applications.

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