SMBJ4755AE3/TR13

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The SMBJ4755AE3/TR13 is a single zener diode with a very wide range of applications in our day-to-day lives. It is usually used as a voltage protection device, and can help keep the voltage level of a device or system within the desired range. It works by allowing current to pass through if the voltage is below a certain threshold, and blocking current if the voltage is above that threshold.

The SMBJ4755AE3/TR13 has a peak power rating of 500 mW, a forward voltage drop of 8.2 V and a maximum reverse current of 300 nA. These features make it ideal for use in voltage regulation applications. In addition, it has a wide operating temperature range of -55°C and +150°C, making it extremely versatile. Additionally, it is available in a variety of different packages, such as the SOD-123 package, which makes it suitable for use in a vast array of different devices.

The SMBJ4755AE3/TR13 can be used in a variety of applications. Common applications include voltage dropping, voltage clamping, clipping, and protection. It can be used in a power supply to ensure that voltage levels never exceed the desired level and damage sensitive components. It can also be used to limit the voltage across a particular device, providing a measure of protection against electrostatic discharge or overvoltage conditions. It can also be used to clip voltage levels, allowing for more precise control over the voltage levels of a system. Finally, it can be used to protect against surges either in the system or from external sources, helping to maintain the integrity of the system.

The SMBJ4755AE3/TR13 works by relying on the behavior of the junction between P and N type materials. When a bias is applied across the diode, a potential barrier is formed at the junction which allows current to flow only in one direction. This is known as the forward bias, and the voltage required before this occurs is known as the forward voltage. On the other hand, when a reverse bias is applied, the potential barrier increases and eventually it surpasses a certain threshold known as the breakdown voltage. At this point, current will be allowed to flow in the reverse direction.

The combination of these two behavior results in the zener diode operating in its protective mode. When the forward bias is applied, the diode will block current flow up to a certain voltage, the breakdown voltage. Once the voltage surpasses the breakdown voltage, current will begin to flow in the reverse direction, typically drawn from a power supply connected in series with the diode. This helps to regulate the level of voltage on either side of the diode, preventing levels from rising beyond the breakdown voltage.

The SMBJ4755AE3/TR13 is an extremely useful and versatile device with a wide range of applications. It can help regulate voltage levels, provide protection from electrostatic discharge and surges, and can be used for voltage clipping. Its wide operating temperature range, extensive range of packages, and low forward voltage make it an ideal choice for a variety of uses.

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