1.5SMC18A-E3/9AT

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TVS - Diodes
1.5SMC18A-E3/9AT application field and working principle

Transient Voltage Suppressor (TVS) diodes, also known as Transient Voltage clampers, are electronic devices commonly used to protect electrical equipment from overvoltage and electrostatic discharge (ESD). The 1.5SMC18A-E3/9AT is a popular TVS device that is widely used due to its fast response, high surge handling capability and low clamping voltage.

The application fields of 1.5SMC18A-E3/9AT varies depending on the type of protection needed. As a surge protection device, 1.5SMC18A-E3/9AT can be used in automotive, telecom and consumer applications. It can also be used in medical and military equipment to protect against adverse electrical conditions. In addition, it can be used to protect against overvoltage caused by lightning, power surges, short-circuiting and electrostatic discharge.

The basic working principle of 1.5SMC18A-E3/9AT is based on the behavior of a Zener diode. It is basically a two-terminal device that can limit voltage to a safe level. When an overvoltage exceeds the breakdown voltage characteristic of the diode, the current through the diode increases to protect the circuit from overvoltage. This current then discharges and the damages caused by overvoltage is limited.

1.5SMC18A-E3/9AT has a fast response time that can protect against voltage transients as short as one nanosecond. This short response time makes it suitable for applications where fast acting protection is required. Furthermore, the maximum working current rating can enable it to handle a high amount of surge current without any damage. This ensures a reliable level of protection in high surge environments.

1.5SMC18A-E3/9AT also has a low clamping voltage, which is the voltage generated due to a surge or overvoltage. This voltage is also known as the reverse breakdown voltage. This ensures that the device is able to protect against overvoltage while maintaining a low clamping voltage across the device.

In conclusion, 1.5SMC18A-E3/9AT is a popular TVS device used for overvoltage protection. It has a fast response time and high surge handling capability, making it suitable for use in automotive, telecom and consumer applications. Its low clamping voltage also ensures that the device can protect against overvoltages while generating a low clamping voltage across the device.

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