BZW04-171-E3/54

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TVS - Diodes are a type of semiconductor device used in various applications to protect against electrostatic discharge, voltage spikes, electrical overstress and other voltage transient disturbances. The BZW04-171-E3/54 is a transient voltage suppressor (TVS) diode designed to protect semiconductor components from short voltage spikes or pulses. The diode is designed to clamp the voltage on the protected component within acceptable maximum limits.

The BZW04-171-E3/54 is specially designed to protect CMOS integrated circuits, as well as bipolar circuits, from voltage transients that may occur during operation such as handling errors, switching transients and charging of capacitors in short-circuit repairs. The device is typically used in the protection of automobile device and microcomputer controllers.

The BZW04-171-E3/54 consists of two diodes in parallel that are connected between the cathode and the ground. When subjected to a high voltage pulse, the first diode is forward biased and acts as a current limiting element. The second diode starts to conduct when the voltage on the cathode exceeds the peak inverse voltage rating of the diode. This results in a clamping action that reduces the peak of the voltage spike.

The TVS diode has fast response times which help to protect circuits from short-lived voltage transients that would ordinarily be too short for other protection methods to respond to. The BZW04-171-E3/54 is highly sensitive and can detect transients with peak currents as low as 1A and can clamp voltages as low as 6V. The diode has a peak pulse power rating of 55W and can handle maximum surge currents of up to 25A.

The BZW04-171-E3/54 is used in a wide range of low-voltage applications such as computer keyboards, cell phones, motor drive circuits and portable devices. The device is also used in automotive applications such as ECUs, sensors and ignitions systems. It is also used in industrial applications such as street lighting control, power supplies and HVAC systems.

The device can be mounted on a printed circuit board in a variety of ways depending on the particular application requirements. It is designed to operate in temperatures ranging from -40°C to 85°C and can survive up to 1500 voltage spikes with no damage.

In summary, the BZW04-171-E3/54 is a transient voltage suppressor (TVS) diode specifically designed to protect semiconductor components from voltage transients. The device has fast response times and is highly sensitive and can detect transients with peak currents as low as 1A. It can be used in a variety of low voltage applications such as computer keyboards, cell phones, motor drive circuits, portable devices and automotive applications such as ECUs, sensors and ignitions systems.

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