MASMBJ18AE3

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TVS – diode, otherwise known as a transient voltage suppression diode, is an important component found in a variety of energy systems and devices. The purpose of a TVS diode is to protect circuits or systems against damage from electrostatic discharges or surges of high-voltage electricity. The MASMBJ18AE3 is an example of a TVS diode specifically designed for automotive applications. This article will explore the MASMBJ18AE3 application field and working principle.

The MASMBJ18AE3 is an Automotive Transient Voltage Suppressor (TVS) diode designed to protect against high voltage spikes and surges. It is designed specifically for automotive applications such as overvoltage protection of automobile electronic systems and other purposes. The device is avalable in a standard SOD-123 package size offering a wide variety of current-carrying capability. It is suitable for operating at up to 200V, and is available in RoHS compliant packages, making it a popular choice for automotive applications.

The MASMBJ18AE3 is designed to protect against voltage transients induced by electrostatic discharge, or ESD, and to reduce stress in automotive electronic systems from overvoltage. It is capable of handling high power rating and high voltage applications, making it ideal for automotive electronics protection. The device also has wide temperature range and excellent thermal stability, as well as symmetric breakdown voltage and low leakage current, making it suitable for automotive systems that require protection from large voltage spikes and surges.

In terms of performance, the MASMBJ18AE3 is capable of passing a high current with a low voltage drop, allowing for efficient operation in automotive systems. It has a surge capability of up to 400 W and operates within a wide temperature range from -40℃ to 125℃. The device also has integrated ESD protection, protecting up to +/- 16kV peak HBM ESD voltage.

The MASMBJ18AE3 operates at a peak breakdown voltage of 18 V, and has a low reverse recovery time of 0.13 ns. This allows for fast responding protection and efficient power dissipation. The device also has a typical capacitance of 10pF, and a pulse capability of up to 800W. The maximum power dissipation is 1.2 W and its maximum forward surge rating is 40 A.

The MASMBJ18AE3 is designed with a low on-state resistance, meaning the device can effectively control the flow of current in a shorter period of time, mitigating the impact of transient spikes. Additionally, when used in series with other components, the device\'s low on-state resistance helps to reduce power dissipation and dissipate heat in the circuit.

In terms of applications, the MASMBJ18AE3 can be used in a variety of automotive applications, including overvoltage protection for power supplies and DC-DC converters, automotive ECUs, and linear motors. Additionally, the device is used for protection of ECU wiring systems, relays, and other electronic components within an automobile. Furthermore, its low voltage drop and high power rating make it suitable for operations in energy storage systems, such as batteries and other automotive power sources.

In conclusion, the MASMBJ18AE3 is a TVS diode designed specifically for automotive applications, offering high-performance protection against transient voltages and surges. It is capable of passing a high current, allowing for efficient operation in an automotive system, and its low on-state resistance helps to reduce power dissipation and heat generation. The device is suitable for a range of automotive applications, such as ECU wiring protection, overvoltage protection for power supplies and linear motors, and protection of other electronic components. Therefore, the MASMBJ18AE3 is an important component for automotive systems that require protection from transient voltages and surges.

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