PGSMAJ20CAHM2G Circuit Protection

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TVS (Transient Voltage Suppressor or Transient Voltage Suppression) diodes are components designed to protect sensitive electronic circuits and devices from voltage spike damages. The PGSMAJ20CAHM2G is a bidirectional, low capacitance surface mount unidirectional TVS diode designed to protect high speed communication systems from electrostatic discharge (ESD) and other voltage transients.

Application Field:

The PGSMAJ20CAHM2G TVS diode is designed for a wide range of applications, from low speed data ports, such as USB 1.1/2.0/3.0 and IEEE1394a, through to high speed differential pairs for high speed signal ports such as HDMI, USB-C and DisplayPort. This diode is suitable for many markets, including Consumer Electronics, Industrial Electronics, Automotive, Aerospace, and more.

Working Principle:

As soon as the PGSMAJ20CAHM2G diode is subjected to a voltage that exceeds its breakdown voltage, it will quickly switch on and shunt or "clamp" the excess voltage. This is achieved through a two-layer stack arrangement: the bottom layer acts as an intentional short circuit, whilst the top layer ensures a low capacitance path to the ground. This helps to provide a low clamping voltage and fast response, resulting in improved protection from ESD and other overvoltage transients.

The PGSMAJ20CAHM2G TVS diode is available in a small, 0.6mm x 0.8mm 8-pad package. The diode has an excellent surge capability of 20A (8/20µs), and is capable of providing robust protection from ESD events and other transient overvoltage conditions.

In conclusion, the PGSMAJ20CAHM2G TVS diode is an excellent choice for protecting sensitive electronic systems and devices from voltage spike damages. It offers superior performance with its low clamping voltage and fast response to transient overvoltage conditions. This diode is ideal for a wide range of applications such as USB, IEEE1394a, HDMI, USB-C and DisplayPort. Moreover, it is available in a small, 8-pad package, making it ideal for a range of applications.

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