MXP4KE39A Circuit Protection

Voltage - Clamping (Max) @ Ipp:	53.9V
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):	7.5A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	37.1V
Voltage - Reverse Standoff (Typ):	33.3V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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<div class="TVS-Diodes"> <p>MXP4KE39A is an avalanche diode, which is commonly classified as a TVS Diode, and is designed to protect sensitive electronic components such as circuit boards, connectors, and transistors from destructive and/or disruptive transient voltages. It is a unidirectional voltage device; meaning it is capable of withstanding high voltage spikes in one direction, while protecting low voltage sensitive components from normal, destructive voltage transients.</p> <h2>Application Field</h2> <p>The MXP4KE39A is most commonly used in applications where high peak voltages are common, such as in the automotive, industrial, and consumer industries. Automotive applications often rely on the MXP4KE39A to protect sensitive electronic components from destructive over-voltage spikes. In industrial applications, the MXP4KE39A is often used to protect circuit boards from disruptive transient voltage signals in order to prevent interruptions in the system\'s performance. Additionally, the MXP4KE39A is often used in consumer electronics to protect against false triggering and to prevent unwanted operation.</p> <h2>Working Principle</h2> <p>The MXP4KE39A functions by utilizing the principle of avalanche multiplication. This occurs when an applied voltage causes a special type of diode known as an avalanche diode to break down. Essentially, when a voltage is applied to an avalanche diode, it will break down and then turn off. As a result, the diode is able to withstand potential transient voltages without permanently damaging the sensitive electronic components connected to it. </p> <p>When a voltage transient exceeds the breakdown voltage of the avalanche diode, electrons in the diode avalanche, multiplies exponentially, and the diode turns off. This causes the voltage transient to be diverted away from the sensitive components, thus preventing them from being damaged. Furthermore, the MXP4KE39A\'s low leakage current and low capacitance ensures that it consumes minimal power while functioning correctly. </p></div>

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