MP4KE62A

Voltage - Clamping (Max) @ Ipp:	85V
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):	4.7A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	58.9V
Voltage - Reverse Standoff (Typ):	53V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Diodes

MP4KE62A application field and working principle

Transient voltage suppressors (TVS) diodes are widely used to protect sensitive electronic equipment from destructive power surges. The MP4KE62A is one of the most popular TVS diodes in use today. It provides balanced protection against transient overvoltages, ESD (electrostatic discharge), EFT (electrical fast transients), and other destructive surges that exceed the device\'s rating. This article will discuss the application field and working principle of a MP4KE62A TVS diode.A MP4KE62A TVS diode is designed primarily for EFT protection and is well suited for harsh environment applications such as telecommunication base stations, automobiles, industrial control systems, and other high-power electronic devices. This diode is typically used with other components, such as NTC (negative temperature coefficient) thermistors, to create a complete protection system. The combination of TVS diodes and thermistors is often referred to as "thermal protection".The working principle of a MP4KE62A TVS diode is fairly simple. When the device is exposed to an overvoltage, the diode conducts current from the anode to the cathode, dissipating the excess energy as heat. The low capacitance of the device ensures that the EFT pulses do not cause excessive electromagnetic interference (EMI).In addition to its applications in transient overvoltage protection, the MP4KE62A has other benefits. For one, it is designed with a very low power dissipation (Pd) of only around 2.2 mW, which helps reduce unwanted heat buildup. It also has a peak surge energy rating of up to 1.3 kJ per device, giving it excellent protection against surges and other destructive transient events.The MP4KE62A also features a very small physical size, making it well suited for high-density circuit boards and other applications with limited space. It is also very low-cost, making it an attractive option for high-volume production. In summary, the MP4KE62A TVS diode is a popular choice for EFT protection in harsh environment applications. Its low Pd, high surge energy rating, and small size make it an excellent choice for protecting sensitive electronic components. Although this device is relatively low-cost and easy to use, it’s important to remember that TVS protection should be combined with other components, such as NTC thermistors, to ensure complete protection against overvoltage events.

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