SMAJ28CE3/TR13

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TVS (Transient Voltage Suppressor) diodes are semiconductor devices used to provide protection from excessive electrical transients such as lightning and power surges. A SMAJ28CE3/TR13 is a particular type of TVS diode, and its application field and working principle are discussed in this article.

SMAJ28CE3/TR13 diodes typically have a capacitance of 28 pF with a maximum peak pulse power rating of 1150 Watts. The peak pulse current ratings range from 5 Amps to 15 Amps. The clamping voltage (VClamp) of the diode is 27.9 Volts. They are available in three types of packages - SOD-123, SMBJ28A (SMD) and SMAJ28CKT-TR (through hole).

SMAJ28CE3/TR13 TVS diodes are used in a variety of applications. They are commonly used in power supplies, cable and wire protection, communication and automotive systems. They can also be used in medical devices, audio/video systems and consumer and industrial electronics. These diodes are also used in Ethernet, USB and other data lines.

The working principle of the SMAJ28CE3/TR13 diode is based on the same principle as all TVS diodes, i.e. reverse biasing of a PN junction. When a transient voltage arises, the diode starts conducting and dissipates the excess energy from the power supply or other source. When the transient has passed, the diode then switches off and returns to its reverse bias state.

The SMAJ28CE3/TR13 diode can provide protection from high-voltage transients from a variety of sources, including power line transients, switchmode power supplies and lightning. The diode provides a very low clamping voltage and is designed to protect sensitive electronic circuitry from damage. The diode also offers excellent surge resilience and exceptional reliability.

In addition to protecting sensitive circuits from high voltage transients, the SMAJ28CE3/TR13 diode can also provide protection against ElectroStatic Discharge (ESD). ESD is a common source of failure in many electronic circuits, and the diode can provide protection from ESD up to 25kV contact, 15kV air discharge and 8kV human body model.

The SMAJ28CE3/TR13 diode is a reliable and versatile device that can provide effective protection from electrical transients such as power surges, lightning and ElectroStatic Discharge (ESD). It is suitable for a variety of applications, including power supplies, communication, consumer and automotive systems. The diode has a low clamping voltage and excellent surge resilience, making it an ideal choice for protecting sensitive circuitry from damage.

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