SMBJ4762A/TR13

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The SMBJ4762A/TR13 is a commonly used single Zener diode used in various types of circuit applications. It is designed to protect both components and circuitry from voltage surges and transients. It is particularly useful in applications such as automotive, industrial and telecommunications applications, where there is a risk of high-voltage transients.

Features

The SMBJ4762A/TR13 features a slew rate of 5 volts/ns and an operating temperature range of -55°C to +150°C. It features a low thermal resistance of 0.7°C/W, a working voltage of 5.1V, a holding current of 10mA and a peak pulse power rating of 100W. It is built with a polysilicon nitride construction and a metal alloy substrate, making it robust and resistant to damage from voltage surges.

Applications

The SMBJ4762A/TR13 can be used for various circuit protection applications, including power supply protection, road-lighting protection, computer protection, automotive electronics protection, and industrial automation systems. It is also commonly used in systems that require surge protection. It is especially useful in harsh environments where reliable performance is essential.

Working Principle

The SMBJ4762A/TR13 works by preventing an increase in the voltage level of a circuit beyond the predetermined level. When a voltage surge is detected, the diode will become forward-biased. This will allow a current to flow through the diode and thereby limit the surge. The device will then transition to a reverse-biased state when the voltage level drops back below the predetermined level.

The device will continue to cycle through this process until the voltage surge level is reduced. The ability of the diode to absorb energy from a surge is known as \'clamping voltage\'. The SMBJ4762A/TR13 has an average clamping voltage of 7.4V and a forward voltage drop of 0.3V, making it ideal for use in applications that require increased protection from voltage surges.

Conclusion

The SMBJ4762A/TR13 is a single Zener diode that is commonly used in many types of circuit applications. It features a high operating temperature, low thermal resistance, a working voltage of 5.1V and a peak pulse power rating of 100W. It is suitable for use in automotive, industrial and telecommunications applications, as it is robust and resistant to damage from voltage surges. The device is capable of limiting the voltage of a circuit to a predetermined level, thereby providing protection from voltage surges.

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