M83530/1-4300E

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The MOV or Metal Oxide Varistor is a type of electronic component used to protect circuits against voltage spikes. The M83530/1-4300E is a leading MOV product from Amphenol, specifically designed to protect aircraft engine electronic systems against electrostatic discharge (ESD), lightning strikes, and voltage transients. The device is designed and manufactured to meet MIL-STD-883, or the Military Standard for Electronic and Electrical Technical Data.

The M83530/1-4300E is a thermally enhanced Chip-On-Board MOV device, meaning it utilizes a thermally conductive substrate that allows for conduction of heat away from the device, aiding in long-term reliability and stability. It can support up to 4kA peak current and a maximum peak pulse voltage of 515V. The device is also UL verified and RoHS compliant.

The typical application field for the M83530/1-4300E is in aircraft and aerospace, as well as in industrial electronic systems. It can also be used in alternative energy and renewable energy, broadcasting, factory automation, medical, oil and gas, power electronics, professional services, safety and security, and telecommunications.

The M83530/1-4300E works principle can be best summarized as follows: electrons flow through the semiconductor layer in the MOV, causing the electrons to become magnetically polarized, creating an electrostatic field. If excessive voltage is introduced, the electrons become distributed unevenly, creating a “ladder” effect and current diversion. The diverged current is then diverted to the ground terminal, thus protecting the system from overvoltage conditions.

The M83530/1-4300E is an ideal choice for applications that require rugged, reliable protection from ESD, lightning strikes, and voltage transients. It provides a low impedance path for currents of up to 4kA. It is also RoHS compliant and UL verified to provide enhanced safety and product life. For improved reliability and enhanced performance in extreme temperature and humid conditions, it may be necessary to use the M83530/1-4300E in conjunction with other passive components, such as ceramic capacitors.

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