SA10CHE3/54

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TVS - Diodes

A transient voltage suppressor (TVS) is an electronic component used to protect electrical and electronic components of a circuit from spikes in voltage that can have damaging effects. The SA10CHE3/54 is a bidirectional TVS Diode that can be used for ESD protection but is specifically designed for protecting against surges. In this article, we will explore the application field and working principles of the SA10CHE3/54.

Application Field

The SA10CHE3/54 is an ultra-low capacitance ESD protection diode with very low reverse leakage. The device is a uni-directional Zener with a low VBR breakdown voltage of 8.2 Volts, which makes it suitable for all types of system protection from damaging voltage transients. It is used in consumer device applications such as cellular phones, digital still cameras, personal digital assistants (PDAs), and other portable electronic devices. It can also be used in industrial applications such as access automation systems, consumer appliance controllers, and building systems.

The device is available in a wide range of package types for ease of integration on printed circuit boards. These include a variety of SOT23, SOT323, and SOT723 packages. It also offers superior ESD protection with a low clamping voltage, which enables it to protect devices from power surges without causing further damage.

Working Principle

The SA10CHE3/54 works by detecting voltage transients and promptly clamping the voltage to a safe level. When the device detects a surge or spike in voltage, a capacitive element is activated. The capacitive element is composed of a pair of diodes connected in anti-parallel, where one diode clamps the voltage and the other provides the return path. This allows the device to detect a surge in voltage and quickly clamp the voltage to a safe level to prevent damage.

Once the transient voltage is clamped, the device dissipates the energy in the form of heat, preventing further damage. The device is designed to operate in temperatures ranging from-55°C to +125°C and has an operating current of 10 mA. The device is capable of handling up to 5A surge current and has an operating voltage of 400V. This makes it suitable for a wide range of applications.

Conclusion

The SA10CHE3/54 is an ultra-low capacitance ESD protection diode with very low reverse leakage, designed for protecting against surges. The device is available in a wide range of packages and can handle up to 5A surge current. It is suitable for a wide range of applications including consumer device and industrial systems. The device works by detecting voltage transients and quickly clamping the voltage to a safe level to prevent damage.

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