MALCE8.5A Circuit Protection

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MALCE8.5A components are specialized TVS-diodes (transient voltage suppressor) used in power suppliers, AC/DC chipsets, and pulse motor drives that are designed to protect highly sensitive electrical components from voltage spikes. This device is designed to protect against transient surge-generated voltages, which can be either induced or conducted, and has an 8.5 amp rating with a break down voltage rated at 72.9 volts. It has a fast response time of <1µs between 10-12 amperes at 1 ohm impedance.

The MALCE8.5A is a bi-directional diode that is designed to be used in applications that require protection from high voltage transients. This device is capable of withstanding high transients up to 72.9 volts. It is designed with an integrated MOV-capacitor which provides 23.5 volts of reverse voltage protection. It also has the ability to withstand high transients up to 8.5 amperes, and is designed with a fast response time that helps ensure that equipment damaged by voltage spikes is quickly detected and mitigated.

The MALCE8.5A works by diverting the transient current from the point of damage to the diode until the voltage passes what’s known as the peak point voltage. The peak point voltage is the maximum that the diode can handle before it becomes overwhelmed by the transient voltage and is damaged. Once the voltage passes the peak point voltage, the capacitance of the MOV begins to displace the transient current, thereby providing protection to the component from damage.

The MALCE8.5A has a two-stage protection system which helps to limit the discharge current as well as protect against secondary transients. The first stage utilizes a proprietary network which consists of an MOV-capacitor and a dual diode array that provide the necessary attenuation and reverse-voltage protection. The second stage is designed to provide additional dampening and will shut down the discharge current if the voltage exceeds 72.9 volts. This ensures that the components connected to the diode are not damaged by high voltage transients.

The MALCE8.5A is designed to be used in many applications, such as those in the aerospace, automotive, consumer electronics, medical, and industrial markets. It is capable of handling transients up to 72.9 volts and providing 8.5 amp of surge current protection. Such protection is essential for protecting delicate components from voltage spikes, and this diode is designed for fast response time and superior attenuation.

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