MSMCGLCE22AE3

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TVS - Diodes

Transient Voltage Suppression (TVS) diodes are commonly used as a protection circuit to safeguard electrical and electronic systems from overvoltage transients such as electrostatic discharge (ESD), lightning, inductive switching and other electrical surges. A TVS diode offers a fast response when compared with other protection devices like MOVs and selective fuses.

The MSMCGLCE22AE3 is one such TVS diode designed to protect against overvoltage transients and ESD. It is an SOT-363 package, an ultra-small outline, low profile surface mount package. It has an ultra-wide lead-free including matte-tin finish, operating temperature of -55 to +155 deg C, ESD resistance of up to 8kV and Pd of 1.8mA.

Application Field

This TVS diode can be used for a wide range of applications including mobile devices, telecom baseband equipment, AC-DC converters, USB 3,2,1, computers and data lines, consumer electronics, automotive electronics, navigation systems and portable gaming systems.

In each of these applications, MSMCGLCE22AE3 offers high ESD suppression with minimal performance impact and fast response time.

Working Principle

The working principle of a TVS diode involves limiting the energy in a transient overvoltage surge. A surge occurs when there is an unexpected spike in voltage. This can be caused by a lightning strike, electrostatic discharge or a short circuit, among other incidents. When there is a spike in voltage, the diode begins to conduct current in the reverse bias direction.

The MSMCGLCE22AE3 TVS diode works by clamping the potential of the transient surge to a lower value. This is achieved by absorbing the excess energy in the transient surge. It limits the surge sufficiently to keep the voltage levels within acceptable safety thresholds for the system.

Once the surge is dissipated, the diode automatically switches back off. This is established by pre-set breakdown voltages at the designed voltage. They respond over a wide frequency range from hundreds of nanoseconds to hundreds of microseconds.

Conclusion

The MSMCGLCE22AE3 TVS diode is designed to protect microelectronic devices against transient overvoltage surges caused by lightning, ESD and other events. Its small size and low profile make it suitable for use in a variety of applications, such as mobile devices, telecoms, AC-DC converters and consumer electronics. It has an ultra-wide lead-free, matte-tin finish and is capable of limiting surges to well below their damage threshold.

By absorbing the excess energy of the transient surge, the diode limits the voltage and enables the system to remain within its safe range. It is fast-acting, has a wide frequency range and can switch back off automatically, making it well suited to a variety of different applications.

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