0070.9581.B1

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TVS or Transient Voltage Suppressors are active electronic components that are mainly used to protect against serious damages due to electrical transients. The MOV (Metal Oxide Varistor) is one type of the TVS which is widely accepted and used in a variety of applications. The 0070.9581.B1 is a Metal Oxide Varistor (MOV) that combines the advantages of a low dynamic resistance, fast response to transients, and a broad frequency response. This MOV is mainly used for the protection of high-voltage electrical and electronic components.

The application fields of the 0070.9581.B1 MOV are broad, such as industrial, domestic, avionic, commercial, and automotive. It is also used for surge protection of outdoor telecommunication equipment, such as copper cables.The protection of data lines, power lines, power supplies, inverters, and other components of power equipment are also included in the application fields. Furthermore, it can used for signal and telecommunication, railway, automotive, military, and medical equipments.

The MOV operates based on the principle of voltage dependent resistance. This type of component operates by utilizing the material property called, non-linearity. The capacitive properties of the material cause it to relax quickly following a surge or transient, and without developing much heat. It has a high melting point, making it suitable for thermal cycling. When the voltage across the MOV exceeds a certain value, the device will conduct and the voltage will be lessened to a safe level.

The design of the MOV is based on the principle of clamping voltage. It is designed to react to the peak voltage of the system and provide fast response and high dynamic resistance. The MOV is constructed by utilizing a variety of materials, including metals, oxides, and semiconductors. A series of metal films are placed over an oxide layer to create a stack.The structure is then hermetically sealed in a ceramic or plastic casing for protection. The working of MOVs is based on the hysteresis of the material, which is the change in the resistance that occurs when the applied voltage is reversed. The materials have a low resistance (off-state resistance) when the applied voltage is close to the rest voltage and a high resistance (on-state resistance) when the applied voltage is close to the breakdown voltage.

The specification of the 0070.9581.B1 MOV includes a stand-off voltage of 8V (1.6V to 16V range), clamping voltage of 15V, peak pulse current of 900mA, and a capacitance of 1000pF.

In conclusion, the 0070.9581.B1 is a Metal Oxide Varistor (MOV) device that is mainly used for the protection of high-voltage electrical and electronic components, with a broad range of applications including industrial, domestic, avionic, commercial, automotive, data lines, power lines, power supplies, inverters, signal and telecommunication, railway, automotive, military, and medical equipments. The MOV operates based on the principle of voltage dependent resistance, and is designed to react to the peak voltage of the system.

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