MXPLAD30KP85AE3

Voltage - Clamping (Max) @ Ipp:	137V
Supplier Device Package:	PLAD
Package / Case:	Nonstandard SMD
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	30000W (30kW)
Current - Peak Pulse (10/1000µs):	216A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	94.4V
Voltage - Reverse Standoff (Typ):	85V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to TVS - Diodes

TVS (Transient Voltage Suppression) diodes are power protection devices that protect sensitive circuits from high voltage transients caused by electrostatic discharge (ESD), lightning, and inductive switching. TVS diodes are able to cope with voltage spikes up to 55 times higher than their rated voltage and can clamp the voltage to a safe level within nanoseconds. TVS diodes can also protect against continuous high voltage as they have an enable voltage that is lower than the breakdown voltage.

What is MXPLAD30KP85AE3?

MXPLAD30KP85AE3 is a TVS diode, manufactured by STMicroelectronics. It is a bidirectional diode, which means it can clamp the voltage from both +ve and -ve terminals. It has a rated voltage of 30V, a maximum clamping voltage of 400V, and a maximum peak pulse power of 85A.

Application Fields of MXPLAD30KP85AE3

MXPLAD30KP85AE3 is suitable for a wide range of applications where high voltage transients, ESD, and lightning need to be protected against. Some of the application fields include:• Automotive electronics• Medical devices• Telecommunications• Industrial machinery• High end audio equipment• LED lighting

Working Principle of MXPLAD30KP85AE3

When an overvoltage occurs, the MXPLAD30KP85AE3 TVS diode is able to reduce the voltage spike to a safe level by clamping the voltage. This is achieved by the diode acting as a short circuit when the voltage exceeds the breakdown voltage. The breakdown voltage is the voltage at which the diode stops conducting.The energy that is dissipated by the diode is then transformed into heat, which is dissipated into the atmosphere. The leakage current of this diode is below 10 μA when operated at a voltage below its rated voltage.In order for this diode to work correctly, it needs to be capable of dissipating a certain amount of power. If the power exceeds the rated power of the diode, it may be damaged. In order to prevent damage, an appropriate heatsink should be used.

Conclusion

The MXPLAD30KP85AE3 TVS diode is a power protection device that can protect sensitive circuits from high voltage transients due to ESD, lightning, and inductive switching. It has a rated voltage of 30V and a maximum clamping voltage of 400V, as well as a maximum peak pulse power of 85A. It is suitable for a wide range of applications, including automotive electronics, medical devices, and industrial machinery. The diode reduces overvoltage by clamping the voltage, and dissipates any excess energy into the atmosphere. To prevent damage, an appropriate heatsink should be used when the power exceeds the rated power.

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