PGSMAJ51CAHR3G Circuit Protection

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TVS diodes, also known as transient voltage suppressors (TVS), are used as a form of surge protection. The PGSMAJ51CAHR3G is a multilayer, unidirectional, low-capacitance transient voltage suppressor. It is one of the most robust and reliable TVS diodes on the market today.

The PGSMAJ51CAHR3G has a wide range of applications including automotive, industrial, consumer, and commercial electronics. It is well suited for many surge protection applications including data and signal lines, high voltage power supplies, and medical electronics. It is also suitable for protecting sensitive electronic components from electrical transients in a variety of industries.

The PGSMAJ51CAHR3G is designed to protect sensitive electronic components from damage or destruction due to electrostatic discharges (ESD) and overvoltages. It is also used to prevent damage due to an increase in the peak power of a system due to lightning strikes. The device’s robust design meets IEC 61000-4-2 (ESD) and IEC 61000-4-4 (electrical fast transient or surge) standards.

The PGSMAJ51CAHR3G has a low capacitance of 0.5 pF typical, making it ideal for applications involving high-frequency signals. This low capacitance ensures that it does not interfere with the signals it is intended to protect. The device also helps reduce radio frequency interference and electromagnetic interference (EMI).

The PGSMAJ51CAHR3G operates using a two-stage voltage clamping mechanism. The device’s first stage limits the peak voltage or instantaneous overvoltage condition. The second stage uses a zener breakdown voltage to absorb the remaining transient energy. This two-stage voltage clamping technique is often referred to as multi-stage protection.

The PGSMAJ51CAHR3G is typically available in a SOT-23 package with a lead spacing of 0.051” and a breakdown voltage of 9.1 V minimum. The device has a maximum peak pulse power rating of 1.7 kW, a peak reverse power rating of 8.1 W, and an operating temperature range of -55°C to 150°C.

In summary, the PGSMAJ51CAHR3G is a reliable and robust multilayer, unidirectional, low-capacitance transient voltage suppressor. It is designed for wide range of applications, such as automotive, industrial, consumer, and commercial electronics. It is well suited for many surge protection applications and provides robust protection from ESD, electrical fast transients, and lightening strikes. The device’s low capacitance ensures it does not interfere with the signals it is intended to protect. The PGSMAJ51CAHR3G is typically available in a SOT-23 package, has a maximum peak pulse power rating of 1.7 kW, and an operating temperature range of -55°C to 150°C.

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