SMM4F28A-TR Circuit Protection

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TVS diodes are designed to protect sensitive equipment and circuit components from damaging electrical transients, such as electrostatic discharge (ESD) and lightning. The SMM4F28A-TR is a TVS diode specifically designed to protect high-speed interfaces such as USB, Ethernet, HDMI, and DVI against ESD and Lightning events.

The SMM4F28A-TR is a bidirectional diode, meaning it can be placed in either the positive or negative rail of the circuit without changing the operation of the diode. This allows for flexible placement in circuits, increasing the flexibility of the TVS diode. The SMM4F28A-TR can also handle high surge and ESD voltages up to 18kV for contact and air discharges, ensuring reliable protection of sensitive components.

The SMM4F28A-TR utilizes a clamping mechanism to protect the sensitive components from electrical transients. This mechanism works by monitoring the incoming voltage on the power rails and triggering the diode when the voltage exceeds the breakdown voltage. When this occurs, the diode begins to pass current through a special element within the diode – the Zener region. The current passing through the Zener region causes the voltage to fall within the desired range, clamping the voltage and protecting the components against damage.

The SMM4F28A-TR is designed to be incorporated into newly designed applications as well as existing systems. The SMM4F28A-TR is available in a variety of packages and sizes, making it a versatile choice for a variety of situations. For applications that require additional protection, the SMM4F28A-TR can be used in parallel with other TVS devices. This allows for a more comprehensive protection system, which is especially helpful in areas prone to ESD or lightning.

The SMM4F28A-TR is an ideal choice for protecting high-speed interfaces such as USB, Ethernet, HDMI, and DVI. It is a powerful and versatile device that can also be used in existing applocations to protect against surges, transients, and ESD. The SMM4F28A-TR is a reliable choice for providing excellent protection from electrical transients.

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