MP4KE30CAE3

Voltage - Clamping (Max) @ Ipp:	41.4V
Supplier Device Package:	DO-204AL (DO-41)
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	9.5A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	28.5V
Voltage - Reverse Standoff (Typ):	25.6V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes

The MP4KE30CAE3 is a transition voltage suppressor (TVS) diode with a low stand-off voltage. It is designed to protect communications, high-speed data lines, and general purpose electronics from voltage induced faulty operations, power supply transients. This protection device combines low clamping voltage and fast response time for multiples conditions of overvoltage and overcurrent.

MP4KE30CAE3 Application Fields

The MP4KE30CAE3 device has a wide range of potential application fields. It can be usually applied in high speed data line protection, to protect from ESD (Electro-Static Discharge), as a secondary or back-up protection for AC power line protection. It can also be used for telecom & industrial standard, like IEEE802.3u transceiver protection, and Universal Serial Bus (USB) ports used in electronic devices such as computers, electronic readers, TVs, consoles, etc., as well as in industrial automation.

MP4KE30CAE3 Working Principle

The MP4KE30CAE3 uses avalanche technology to provide overvoltage protection. This device is made up of two distinct components, a PN junction and an avalanche architecture. These components work in combination to protect electronics from overvoltage transients, ESD, power imbalances, surges and spikes. When the diode encounters a certain voltage most commonly known as the working voltage or clamp voltage, the junction will lead the current, greatly reducing the dynamic flow and providing protection from power irregularities, and other occurrences such as ESD. When the voltage rises beyond the breakdown voltage, the avalanche architecture causes the substrate voltage to rise, resulting in drastic increase in the current, allowing the device to clamp the voltage and provide protection to the exposed electronic components. The device can also protect the components from low frequency noise such as “ground loop.” The clamp voltage of the diode is low enough to minimize the risks of damage to the circuits. In operation the diode will start its work once the applied voltage exceeds the normal “working” voltage. It then quickly increases the current resulting in an almost immediate protection from overvoltage. Following the clamp, the current will then start to decay slowly until it reaches a lower rate when the overvoltage was cleared.

Conclusion

The MP4KE30CAE3 is a TVS diode specially designed to provide protection from overvoltage transients, ESD and other power irregularities. Its low clamp voltage and fast response time makes it ideal to protect communications and high-speed data lines, and general purpose electronics. Its wide range of application fields make it suitable for many kinds of commercial and industrial uses.

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