MXLSMLG85A Circuit Protection

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The MXLSMLG85A device is a member of the Transient Voltage Suppressor (TVS) family of solid state diode devices. It is a low capacitance (2.5 pF max) with fast response time (flat 1.4 V waveform).

The MXLSMLG85A is intended to protect low capacitance signal, power, communications, and data line components which are interfaced with transient environments. It can handle high power spikes present in automotive, industrial, and telecommunications systems.

The working principle of the MXLSMLG85A is very simple. It is designed to shunt away electrical current from higher voltage transients than the target device can handle. It has a breakdown voltage rating, which is the voltage threshold at which the device begins to conduct current away from the target. Once the voltage exceeds the breakdown voltage, the device starts the current shunting process. This occurrence is termed "avalanche breakdown", which is when a large number of carriers (electrons, ions, etc.) over come the barrier of the PN junction and create an avalanche of current.

The MXLSMLG85A also has a low clamping voltage rating. This is the maximum voltage the device can handle when the breakdown voltage is exceeded. Once the voltage across the device rises to its clamping voltage, the device will continue to shunt current away until the surge event subsides. This is important to prevent damage to the target device. The avalanche breakdown process prevents positive temperature coefficient (PTC) behavior, which can cause thermal runaway.

There are several potential applications of the MXLSMLG85A in automotive, industrial, and telecommunications systems. In automotive systems, it can be used to protect electronic control modules (ECM), navigation systems, and camera modules. In industrial systems, it is useful for the protection of programmable logic controllers (PLCs). In telecom systems, it can be used for protection of cable lines, wireless systems, and telephone lines.

The MXLSMLG85A is a reliable and rugged TVS diode device with fast response times and low capacitance. It is a great asset for protection within transient environments such as automotive, industrial, and telecom systems, providing users with peace of mind in their applications.

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