MXLSMCJ90A Circuit Protection

TVS - Diodes have a variety of applications and occur in components for multiple electronic devices, including consumer electronics, telecom, computers, industrial systems, and automotive electronics. The MXLSMCJ90A is a uni-directional transient voltage suppressor with a breakdown voltage of 90 volts and an operating temperature range of -55°C to 150°C. It is designed to protect sensitive electronics from voltage spikes and surges.

The MXLSMCJ90A consists of a pair ofback-to-back Zener diodes in an SOD-128 package that has a low thermal resistance for improved heat dissipation. In operation, the voltage across the MXLSMCJ90A is held at or below its peak power rating when excessive voltage is applied. The device then quickly recovers when the over-voltage condition is removed.

The MXLSMCJ90A is designed for use in applications such as power supplies, telecom and data communication equipment, modems, network interfaces, personal computers, LCD and LED displays, and automotive electronics. It also offers protection from electrostatic discharge, line transients, and other electro-magnetic interference. The combination of its low breakdown voltage and low clamping voltage make it ideal for circuits that require protection from low-level transients.

The MXLSMCJ90A works by clamping any overvoltage that exceeds the normal operating voltage. The protection is provided by the breakdown of two back-to-back Zener diodes with a breakdown voltage of 90 volts. As surge current passes through the device, the electrons move through the junctions and cause the junction voltage to increase. When the voltage increase reaches the breakdown voltage, the excess current is diverted and dissipated.

The MXLSMCJ90A is also well-suited for high-frequency over-voltage protection. It exhibits very fast response times (less than 1 nanosecond) over a wide range of temperatures. Additionally, it has a low limit of true differential mode leakage current, which ensures that it will effectively suppress low-amplitude pulses like those generated by long cables or lightning strikes.

The MXLSMCJ90A is a reliable device that offers excellent protection from voltage surges and electrostatic discharge. It is housed in a small SOD-128 package, making it perfect for applications with space constraints. The combination of its low breakdown voltage, fast response time, and low thermal resistance makes it the ideal protection device for sensitive circuits.