SM8S28-E3/2D

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TVS diodes are designed to protect circuit boards from external electrical surges such as electromagnetic interference (EMI) or Electrostatic Discharge (ESD). They are also used in automotive applications including powertrain and engine control modules. The SM8S28-E3/2D TVS diode is designed to provide up to 8kA of surge current protection.

The SM8S28-E3/2D is an 8-line ceramic body TVS diode with an internal protection circuit. It has a peak pulse current rating of 8 kA and a clamped voltage of 28 V. It is designed with multiple lines to provide a wide range of ESD protection and is suitable for a variety of applications including automotive, gauge clusters, infotainment, and audio systems.

The SM8S28-E3/2D has two distinct working principles. First, it provides low clamping voltage of 28V to protect sensitive circuitry from ESD. Second, it provides maximum surge current protection of 8kA. When a voltage over 28V is present, the diode will reduce the voltage to below 28V to protect the device. The TVS diode also acts as a low-pass filter, blocking unwanted high frequency energy and allowing desired frequencies through. This helps keep automotive systems from experiencing problems caused by EMI.

The SM8S28-E3/2D can be used in a variety of automotive applications including engine control, cruise control, ABS, 4WD, telematics, and powertrain. The TVS diode can help prevent false triggering and microcontroller resetting due to ESD or EMI in these applications. It can also be used in general consumer products such as audio and video equipment and general circuit protection.

In summary, the SM8S28-E3/2D TVS diode is an 8-line ceramic body diode with a peak surge current protection rating of 8kA and a clamping voltage of 28V. It is designed to provide low clamping voltage to protect sensitive circuitry from ESD and to provide maximum surge current protection. The TVS diode also acts as a low-pass filter, blocking unwanted high frequency energy and allowing desired frequencies through. It is suitable for a variety of automotive and general consumer applications.

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