MX1N8157US Circuit Protection

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TVS – Diodes are primarily used to protect electrical devices from damage caused by voltage transients. The MX1N8157US is a unidirectional TVS diode designed to protect even the most sensitive electrical components from reverse voltage peaks up to 1500W.

This robust solution lets designers protect devices from transient overvoltage triggered by lightning, high-energy mechanical stressing, overvoltage events, and other sources of voltage transients. The diode is also often used for DC fault protection When forwarded with a current of up to 1A.

The MX1N8157US is made with a 40V reverse Zener breakdown voltage, which means it can protect circuits from inrush current caused by power bus bars, switches, relay contacts, transformers, and other electrical components. In addition, this TVS diode is designed with standoff voltage rating of 1.24kV, giving it the ability to absorb more energy in a low voltage environment. The diode is presented in a SOT-23-5 package, which makes it convenient to install in charge controller and power bar applications.

The MX1N8157US features a working principle based on Zener breakdown voltage, meaning it can handle a voltage that is slightly higher than its own, without using any additional components. This type of working principle not only improves the performance of the device but also helps to keep size to a minimum.

When the MX1N8157US is used, it reduces the effects caused by voltage transients, providing superior reliability and shielding the protected device from most damaging voltages spikes. The diode also features an excellent series resistance (IR=5mA) and a typical capacitance (C = 3.3pF), which helps suppress high frequency discharges.

The primary application field of the MX1N8157US can be divided into two distinct categories. One sector is in the automotive industry, where it is used in conjunction with airbag systems and ABS systems. The second application field is in the consumer electronics sector, where it is used to protect a range of electronic products including cell phones, tablets, digital cameras, audio systems, and gaming devices.

In conclusion, the MX1N8157US is an efficient and reliable unidirectional TVS diode that can help protect circuits from inrush current, reverse voltage peaks up to 1.5kA, and voltage transients. It is available in a SOT-23-5 package and features an excellent series resistance (IR=5mA) and typical capacitance (C = 3.3pF). The diode is suitable for a range of applications in both the automotive and consumer electronics sectors.

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