MASMCJ170A

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The MASMCJ170A is one of the most popular TVS devices on the market today. It is used in many applications such as surge protection, ESD protection, lightning protection, over-voltage protection, and low-voltage protection. The MASMCJ170A is a Transient Voltage Protection Device (TVPD) that is designed to protect sensitive electronic components in high-voltage conditions. This means that when a TVPD is placed between an electronic component and its power source, it can protect the component from electrical overshoot or electrical transients. This protection device is designed to have a low leakage current and a high breakdown voltage.

The main parts of the MASMCJ170A are the TVPD body, a stem, a shunt assembly, and a protective housing. The TVPD body is a conductive material with a high dielectric constant. It serves as a path for the electric current during overvoltage conditions. This material has a positive temperature coefficient, which helps the device respond quickly to a change in voltage and prevents overshoot. The stem is a one-way or two-way branching line with a connection to the TVPD body. It prevents the current from going back through the TVPD once it breaks down.

The shunt assembly consists of one or two metal plates that are connected to the TVPD body with insulated bolts or rivet. It acts as a short circuit between the load and power source, diverting excess current away from the load and back to the power source. The protective housing is made of an insulating material that helps protect the TVPD from damage due to the high voltages and currents.

When the MASMCJ170A is exposed to an over-voltage condition, the current flows through the TVPD body and then through the stem. The shunt assembly then opens up and shorts the line, immediately reducing the current to a safe level. The protective enclosure keeps the device from being damaged by thermal energy produced by the over-voltage current.

The MASMCJ170A is an excellent TVPD for many applications that require transient voltage protection. Its features make it ideal for suppressing destructive transients, surges, and ESD pulses while protecting sensitive components from damage. It is also easy to install and replace and requires little maintenance.

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