1SMB85AT3

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A TVS diode, or Transient Voltage Suppressor, is a diode designed to protect sensitive electronic components against surges in electrical current. These devices are commonly used in appliances, computer systems, and other electronic equipment. The 1SMB85AT3 is a unique type of TVS diode that is particularly suited to Surge Derating applications. It has a particularly high surge support capability and a relatively low reverse breakdown voltage.

The 1SMB85AT3 TVS Diode is a special type of bi-directional diode specifically designed to protect against transient overvoltage. It is designed to provide protection for sensitive semiconductor devices and circuits from catastrophic failures due to voltage transients. This device is also known as a “1S1585”, and is part of an extended temperature range family of transient voltage suppressor diodes.

The 1SMB85AT3 TVS Diode is designed specifically for high reliability applications, and operates well in temperatures as low as -55°C to +125°C. It has an excellent clamping voltage and fast response times, making it ideal for protecting against power surges. It is also well-suited to other applications, including surge protection for LCD displays, digital cameras, personal computers and set-top boxes. The thermal ratings are designed to ensure reliable operation against solder heat and other extreme heat conditions.

The working principle of the 1SMB85AT3 TVS Diode is relatively simple. In general, it works to clamp the voltage of a circuit at the knee of its characteristic curve. This means that when a voltage transient is applied to the circuit, the diode will conduct current in one direction, but will also clamp the voltage at the knee. This minimizes the amount of current that can be exchanged during the surge, thereby protecting the sensitive devices or components within the circuit.

The 1SMB85AT3 TVS Diode is a versatile device and can be used in a variety of applications. It is well-suited to protection against transients in DC line applications, such as those found in automobiles and industrial machinery. Additionally, it can be used to provide surge protection for power supplies, UPS systems, and LED lighting systems, among other applications. Generally speaking, the 1SMB85AT3 is a reliable and cost-effective solution for most voltage transient protection requirements.

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