3SMC54CA TR13 Circuit Protection

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The 3SMC54CA TR13 is an unidirectional voltage-spike clamping device designed to protect electronic equipment from induced fast transients. It belongs to the transient voltage suppression (TVS) diode family and is used in a broad range of applications. This article provides an overview of the 3SMC54CA TR13\'s working principles, the range of applications in which it can be used and its specifications.

The 3SMC54CA TR13 is designed to protect sensitive electronic components from damaging transients, such as lightning strikes, power-supply surges and electrostatic discharges (ESD). It is constructed from a diode chain connected in series with a low burden metal oxide varistor (MOV). The MOV provides the surge current clamping capability, while the diode chain limits the voltage swing. The 3SMC54CA TR13 is unidirectional, meaning that it allows current to flow in one direction only. This enables it to protect against both positive and negative transients.

The 3SMC54CA TR13 is primarily used in residential, commercial and industrial equipment to ensure continued operation and minimize down time. It is suitable for use in a wide range of applications, including printers, vending machines and other low-voltage electric power equipment, as well as automotive and mobile phone components. It can also be used in applications where overvoltage protection and lightning protection are necessary. The device is capable of suppressing transients up to 400V.

The 3SMC54CA TR13 works by clamping the overvoltage to a safe level. When a fast transient strikes, the TVS diode is triggered and the voltage is clamped to the device\'s breakdown voltage. This prevents further voltage rise and damage to the sensitive components. The diode chain also limits the voltage swing, ensuring the device does not drop below its breakdown voltage and reducing power consumption.

The 3SMC54CA TR13 has a peak pulse power rating of 1.5kW (10/1000µs waveform). It also has a holding voltage rating of 13V, a breakover voltage of 7V and a clamping voltage of 13V. In addition, the device features an insulated package for easy mounting and a fast response time of less than 1ns. It is available in both SMD and through-hole packages that are lead free and have UL94V-0 flame retardant ratings.

The 3SMC54CA TR13 is a highly versatile device suitable for a wide range of applications. It provides reliable protection from overvoltage transients and helps to ensure the continued operation of sensitive electronic components. Its fast response time, wide bandwidth and low breakdown voltage make it a viable choice for a variety of applications.

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