SMCJ28CA R7G Circuit Protection

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TVS diodes are a special type of diode designed to protect other delicate electrical components from damage caused by surge transients or electrostatic discharge (ESD). They have been used for decades as reliable protection devices for both the AC and DC voltage lines. The SMCJ28CA R7G is a popular and widely-used TVS diode designed for applications involving high-voltage transient pulses.

The SMCJ28CA R7G is a unidirectional two-terminal surface-mounted device (SMD) with a peak pulse power rating of 7KW at 9.1A and a peak pulse current rating of 27.9A at 100V. It also features a low-capacitance design, allowing it to be used in communication and high-frequency electronic components. It has a working voltage rating of 8–100V and a surge peak current rating of 28A for 10/1000 μs.

This TVS diode is designed for use in applications that involve connection to the AC mains or high-voltage lines. The device is designed to absorb large amount of energy when subjected to high-voltage transient pulses. It works by instantly conducting the energy safely away from the sensitive electronic components, while maintaining a low on-state resistance across its terminals, thereby providing sufficient current path for the transients.

The SMCJ28CA R7G is a highly reliable and versatile device designed for use in commercial, industrial, medical, and automotive applications. It is designed to protect electronics from over-voltage transients, ESD strike, and inductive switch transients, and has been tested for its capability to absorb over 19,000 electromagnetic pulses per minute.

The device has various internal structures built to enable it to protect systems from heavy-duty transient pulses. It has a guard-ring technology that provides protection against ESD and over-voltage transients, while its hybrid structure offers better performance and improved ESD capability. It also has a low-capacitance design and a diffusion liner system that helps reduce the current component\'s noise.

In addition, the device is also capable of providing catastrophic failure protection to equipment and systems in the case of severe or prolonged transients. It has a stable thermal mechanism that helps reduce thermal runaway, and helps maintain the device’s peak rating even after it has been subjected to numerous surge pulses. This makes the SMCJ28CA R7G an excellent choice for applications that require a reliable protection device from electrical transients caused by voltage spikes.

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