0071.1541.B1

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0071.1541.B1 is a varistor series produced by Arcol. Varistors are surge protective devices that absorb excess voltage to safeguard electronic components from damage due to voltage surges or electrostatic discharge (ESD). The 0071.1541.B1 is a non-metal oxide varistor with a voltage rating of 330 VAC at 25 °C and a maximum surge current of 36A.

A varistor consists of a set of semiconductor elements that are sandwiched between two electrodes. The semiconductor elements are typically made of zinc oxide, which has a negative temperature coefficient. The higher the temperature of the varistor, the lower the voltage rating becomes, and if the varistor is subjected to too much voltage, it will reach its upper limit and fails as a surge protector.

The working principle of the 0071.1541.B1 can be explained by its I-V curve diagram. When a voltage is applied to the device, a small amount of current will flow through the device, which is known as the leakage current. As the voltage increases, the current also increases. There is a point at which the current reaches a maximum, known as its breakdown or clamping point. Above the breakdown point, the current rapidly increases. This increase in current is referred to as the clamping current and it is the point at which the varistor begins to absorb excess voltage from the circuit.

Once the voltage reaches the maximum breakdown point, the current rapidly drops, and the varistor continues to absorb excess voltage until it reaches its peak current limit. Once the current falls below the peak current limit, the varistor no longer absorbs excess voltage and instead begins to act as an open circuit.

The 0071.1541.B1 is applicable in many fields, including medical and industrial applications. In medical applications, it can be used to protect patient monitoring equipment from ESD and to protect medical devices from voltage fluctuations. In the industrial field, it can be used to protect power supplies from voltage surges and to protect computer systems from electric overloads.

The 0071.1541.B1 is designed to protect electronic components from short-term energy transients or ESD events. It is designed to absorb and dissipate high energy, which prevents electrical arcing, sparks, and other sources of potential hazards in a facility. Additionally, the 0071.1541.B1 has a maximum operating temperature of 105°C, which makes it suitable for use in harsh environments.

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