SH400

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The Gas Discharge Tube Arresters (GDT), more formally known as metal oxide varistors (MOVs), are widely used to protect electrical circuits from transient overvoltages. The SH400 series of GDTs is designed to protect the input power lines of a variety of voltage-sensitive equipment from transient overvoltages.

The SH400 GDT is a rugged, zinc oxide-based, non-linear voltage clamping device. It has been developed to protect electrical circuits from temporary voltage surges, such as those caused by lightning, power cross, or utility switching. With its low-profile design, the SH400 is suitable for use in a variety of applications, both indoors and outdoors.

When exposed to a voltage surge, the SH400 series GDTs will rapidly and automatically clamp the surge voltage, limiting the voltage to a safe level. As the clamping circuit is non-linear, the higher the surge voltage, the greater the clamping voltage. This ensures that the protected circuit is not exposed to an overvoltage that could be damaging or cause a malfunction.

The SH400 also offers excellent thermal stability. The varistor\'s temperature response curve is designed with the intent that it can operate at temperatures far higher than the nominal operating temperature of the protected circuit. Not only that, but the SH400\'s low temperature coefficient allows it to operate reliably over a wide temperature range.

The SH400 GDT also has excellent signal integrity. Its high-density design allows for low quiescent current, high frequency response, and low EMI generation. The low-profile design also reduces its inductance and minimizes the stray capacitance between components.

In addition to being used in power line protection, the SH400 series GDTs can also be used in a variety of other applications. These include: electromagnetic interference (EMI) protection, voltage harmonics suppression, power back surge and clamping, and energy management.

In summary, the SH400 series GDTs are an excellent solution for voltage transient protection in a wide variety of applications. With its low-profile design and excellent thermal stability, this device can provide reliable protection against overvoltages. Its superior signal integrity also makes it suitable for use in applications where low levels of EMI generation are required.

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