MXLSMLG120AE3 Circuit Protection

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TVS-Diodes, also known as transient voltage protection diodes, are semiconductor devices that protect powered electronic systems from voltages caused by electrostatic discharges, surges, and spike transients. The MXLSMLG120AE3 TVS Diode is a unidirectional device that prevents current from entering the semiconductor package. It is designed to handle transient voltages up to 1500 W peak pulse power per line at time intervals of less than 10µs. MXLSMLG120AE3 is designed to meet the requirements of the IEC 61000-4-2 Level 4, UL 1449 4th Edition and CISPR 25.

This ultra-low profile TVS diode is ideal for space-constrained applications. Its capacitance is minimized, and it operates in temperatures of -55°C to +125°C. With a current clamping voltage of 9V approx., it helps protect sensitive components, circuit boards, and connectors from destructive transient voltages. The industry-standard SOT-89 package offers insulation and low capacitance switching performance. It also serves as an electromagnetic interference (EMI) filter to reduce duct emissions without adding inductance or resistance.

MXLSMLG120AE3 has several application areas in consumer electronics and automotive industry. It is suitable for cellular phones, tablets, digital cameras, power supplies, medical equipment, industrial equipment, automotive telecom systems, etc. Its transient voltage protection capabilities pool across a wide range of devices. A single molding compound system makes MXLSMLG120AE3 an excellent solution for reducing design complexity and cost of electronics.

The MXLSMLG120AE3 TVS Diode works on the basic principle of body diode effect. Body diode is a diode embedded between a parallel-connected P-channel and N-channel MOSFETs. This diode is constructed with the semiconductor material of the MOSFETs and formed by the P and N body regions of the MOSFETs. This diode clamps the voltage level and passes the transient current going to the load. During positive voltage level, the diode will conduct and allow current to flow from the anode to the cathode. Under the negative voltage level, the diode will block the current.

The MXLSMLG120AE3 also performs several additional functions. It has an avalanche rating that allows maximum protection against transient-voltage stressing. Its low operating voltage helps to reduce power consumption and heat generation. It also reduces the number of ICs and components needed in an electronic system, which helps to reduce costs, size, and weight. The fast response time of the MXLSMLG120AE3 ensures fast protection against transient voltages.

The robust design of the MXLSMLG120AE3 TVS Diode makes it suitable for a variety of applications. It is a perfect device for controlling the negative transients during energy transitions. Its low clamping voltage, high holding power, and low capacitance make it ideal for protecting the sensitive components in electronic systems. The MXLSMLG120AE3 is the perfect choice for low-capacitance, low-profile, and high-performance transient voltage protection, as it can handle higher voltage transients with a rated 1500 W peak pulse power per line.

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