BZW04-171B-E3/54

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TVS-diodes such as the BZW04-171B-E3/54 are overvoltage protection components designed to protect sensitive electronic components from the damaging effects of overcurrent, overvoltage, and electrostatic discharge (ESD). These components have an integrated structure that can act as a filter while providing protection against a wide array of overvoltage and ESD events.

The BZW04-171B-E3/54 is primarily used in the automotive, telecom, medical, consumer, and other related industries. This TVS diode has a maximum standoff voltage of 43 volts, a maximum power dissipation of 173 mW at 85°C, a max peak pulse current of 18 kA, and is rated to IEC 60335-1. In addition to its excellent electrical specifications, the BZW04-171B-E3/54 has excellent temperature stability. It has a reverse leakage current of 10 μA at 27°C and 100 μA at 85°C.

The basic working principle of the BZW04-171B-E3/54 is based on the avalanche breakdown effect. When a voltage greater than the diode\'s breakdown voltage is applied, it can quickly turn on and redirect the current flow away from the sensitive protective elements. This process is fast, robust, and can operate over a wide temperature range. In the presence of an overvoltage above the breakdown threshold of the diode, its forward voltage drop rises to clamp the voltage and redirect the surge current, thus protecting the sensitive components from damage.

Moreover, the BZW04-171B-E3/54 is designed to provide superior performance under ESD stress. It has a peak pulse clamping voltage of 150 V and a max clamping voltage of 60 V, which is significantly higher than what can be achieved with a zener diode. Furthermore, the device offers excellent surge current mitigation against ESD pulses and other transients. In some cases, the device can even prevent current from flowing into the sensitive components, thus protecting them from damage.

In summary, the BZW04-171B-E3/54 TVS diode is an ideal solution for protecting sensitive electronic components against overvoltage, overcurrent, and ESD. Its integrated structure can act as a filter to redirect current away from sensitive components and its remarkable temperature stability guarantees excellent performance over a wide temperature range. Additionally, its high peak pulse clamping and clamping voltage provide superior protection against ESD pulses and other transients. The BZW04-171B-E3/54 is widely used in many industries, including the automotive, telecom, medical, and consumer industries.

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