BZW04-78B B0G

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TVS – Diodes are components that are used to protect electronic circuits from overvoltage conditions. The BZW04-78B B0G is an ultra-low capacitance transient voltage suppressor (TVS) diode designed to protect sensitive electronic components. This device is designed to protect against overvoltage transients such as electrostatic discharge (ESD), secondary breakdown, and inductive switching. It also provides excellent suppression of transient voltage pulses.

The BZW04-78B B0G consists of two bipolar transistors that are connected in anti-parallel configuration. Each transistor is connected to two resistance elements, one on the anode and one on the cathode, to reduce the leakage current. This diode also features a low capacitance of 0.1 pF which allows it to suppress very high frequency voltage transients. The device is available in axial-leaded, 0.5 mm, and SMT configurations.

The BZW04-78B B0G is typically used to protect circuitry in computers and information equipment, consumer electronics, automotive systems, cell phones, handheld devices, and other sensitive electronic systems. This device is highly reliable and features a peak pulse current of 18A and a standoff voltage of 17V. It also has excellent surge handling capability and can withstand up to five times the rated pulsed power for one second.

The working principle of the BZW04-78B B0G is simple. When an overvoltage transient occurs, the diode immediately responds by absorbing the energy of the transient. The absorption of this energy causes the diode to become forward-biased, allowing current flow through it. This current then dissipates the energy, suppressing the transient and protecting the circuits from overvoltage conditions.

The TVS – Diodes are available in different packages and configurations to accommodate the specific requirements of different applications. The BZW04-78B B0G is one of the most popular TVS diodes due to its low capacitance and excellent surge protection capabilities. With its easy installation and wide applications, the BZW04-78B B0G is a perfect choice for protecting sensitive electronic circuits from overvoltage transients.

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