SM6T18CA-E3/5B

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TVS Diodes are the most common type of noise suppression device available. TVS diodes are engineered from specific semiconductor materials that have the ability to withstand a high voltage surge event. TVS diodes are a key component when providing circuit protection for devices, circuits, wiring harnesses, and power supplies.

The SM6T18CA-E3/5B is a unidirectional, 4-line transient voltage suppressor (TVS) diode array designed to protect high speed data interfaces. It has an operating voltage range from 4.5V to 18V and a peak pulse power rating of 600W for 8/20 μs pulses. In addition to ESD protection, the device also provides signal line protection from surges, over-voltage conditions, inductive switching, and latch-up due to increase current buildup.

The SM6T18CA-E3/5B is designed with a low stand-off voltage of 5.5V and an excellent clamping capabilities, which enable high levels of protection for data interface applications. It also features a low operating capacitance of 1.2 pF, which ensures signal integrity over an extended range. The device is fully protected against electrostatic discharges according to IEC61000-4-2 15kV for contact and 8kV for air discharge.

The SM6T18CA-E3/5B functions by providing an external low impedance path for transient current. The device acts as a short circuit between the power and signal line when a transient event occurs. The device is then able to limit the voltage at the input node by reducing the slew rate of the voltage spike and allowing it to dissipate more rapidly.

The SM6T18CA-E3/5B is used extensively for ESD protection in many industries such as automotive, industrial, medical, and consumer electronics applications. The device is also used in a variety of other applications such as SCSI and USB interfaces, audio lines, power supplies, and switch mode power supplies.

The SM6T18CA-E3/5B is a versatile TVS diode which offers excellent protection and signal integrity. It is designed with a low stand-off voltage and an excellent clamping capability, making it ideal for use in high speed data interfaces and in a variety of other applications. The device is fully protected against ESD, ensuring reliable protection for sensitive electronics against ESD discharges and other electrical transients.

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