MP5KE45A

Voltage - Clamping (Max) @ Ipp:	72.7V
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:	500W
Current - Peak Pulse (10/1000µs):	6.9A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	50V
Voltage - Reverse Standoff (Typ):	45V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MP5KE45A Application Field and Working PrincipleTVS (Transient Voltage Suppressors) diodes are devices that are used to protect electronic components from high-voltage spikes. The MP5KE45A is a TVS diode that is designed to suppress transient voltages from high to low frequency sources.This diode is typically used in over-voltage protection circuits in digital and analog systems. It has a very fast response time and is specifically designed for high peak current applications. It is also capable of suppressing a variety of voltage levels both below and above its breakdown voltage.The working principle of the MP5KE45A is based on the avalanche breakdown process. It consists of two terminals – an anode and a cathode – and a junction region between them. When the voltage across the junction region increases above the breakdown voltage of the diode, it undergoes an avalanche effect which results in a rapid increase in current flow. This current flow helps to clamps the voltage across the junction and reduce peak voltage.The MP5KE45A has a number of specifications that make it suitable for over-voltage protection circuits in digital and analog systems. The diode is rated for an avalanche breakdown voltage of 45V, a clamping voltage of 48V, a maximum surge current of 5KA, and a maximum steady state current of 0.15A. The diode also has a fast response time, typically less than 1ps.The application range of the MP5KE45A is quite broad, and it can be used in a variety of over-voltage protection circuits, for both AC and DC sources. It can be used in automotive, consumer electronics, communications, and industrial applications to protect against over-voltage conditions. It is also suitable for use in high voltage motor control applications due to its high surge current rating.In summary, the MP5KE45A is a versatile and reliable TVS diode that can be used in a variety of over-voltage protection circuits. It is designed for both AC and DC sources, has a very fast response time, and is capable of clamping a variety of input voltages. With its robust design and reliable performance, the MP5KE45A is a great choice for applications requiring a reliable and effective transient voltage protection.

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