MXLP4KE62A Circuit Protection

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TVS diodes (Transient Voltage Suppressors) are a type of unidirectional command with a wide range of applications, from protection from electrostatic discharges, inductive loads, lightning strikes and power line disturbances, to surge termination, ground fault isolation and clamping applications. MXLP4KE62A is a 600W Bidirectional TVS Diode Array from ON Semiconductor, designed for the protection of sensitive electronics from voltage transients induced by inductive load switching and other transient voltage events. The MXLP4KE62A has an operating voltage of 5.5V and peak power dissipation of 600W.

Overview of MXLP4KE62A

MXLF4KE62A is an advanced 600W peak power array designed to protect circuits from the damaging effects of transients. It comes in a variety of configurations depending on the application, including 8 different parts with stand-off voltages ranging from 5V to 27V. It also features fast response time with clamping voltage typically 5V lower than the stand-off voltage, as well as excellent resistance to transient voltage reflections and charge injection. The MXLP4KE62A also has very low leakage current, making it ideal for applications such as medical equipment, computers, and communication systems. Additionally, it is RoHS compliant and halogen free.

Application Fields of MXLP4KE62A

The MXLP4KE62A is used in applications where voltage transients could cause damage to sensitive electronics. Some applications include:

• Electronics, such as computers and medical equipment, that are vulnerable to electrostatic discharge (ESD).
• Inductive switching transient protection (IEE and IEC configurations).
• Lightning protection and power line transient protection.
• Telecommunication systems, such as modems and phones.
• Surge termination, ground fault isolation, and clamping applications.

Working Principle of MXLP4KE62A

Transient voltage suppressor diodes work by diverting the damaging current away from the protected circuit into the ground. When a transient voltage is applied at the momentary protection diode, electrons are accelerated by the electric field and the junction becomes forward biased. This causes current to flow and the transient voltage is diverted to the ground.

The MXLP4KE62A features avalanche capability, which allows it to withstand very high transient voltages without breaking down. When the voltage exceeds the breakdown voltage of the device, it enters an avalanche state. In this state, electrons and holes wave can help build up a higher current rapidly, essentially increasing the current flow capability. After the transient event passes, the device quickly exits the avalanche state and returns to the normal state.

The MXLP4KE62A also has an excellent response time, typically below 5ns, making it one of the fastest in its class. Due to its high efficiency, the MXLP4KE62A can provide very good protection even up to 24V, making it ideal for applications using higher voltage levels.

Conclusion

The MXLP4KE62A is an advanced 600W peak power array designed to protect circuits from the damaging effects of transients. It comes in a variety of configurations depending on the application, including 8 different parts with stand-off voltages ranging from 5V to 27V. It also features fast response time with clamping voltage typically 5V lower than the stand-off voltage, as well as excellent resistance to transient voltage reflections and charge injection. The MXLP4KE62A is well suited for applications that require lasting protection from voltage transients, such as computer and medical equipment, telecom systems, ESD, IEE and IEC, lightning and power line protection, surge termination, ground fault isolation, and clamping applications.

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