3.0SMCJ13ATR

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TVS (Transient Voltage Suppression) diodes, such as 3.0SMCJ13ATR, have become a common element in many electronics systems. The device works by limiting overvoltages that could otherwise damage a system, by quickly clampsing the voltage level. This protection feature of TVS diodes helps them to meet their important industrial applications and requirements.

3.0SMCJ13ATR application field and working principle

3.0SMCJ13ATR is a unidirectional TVS diode, which is used for the protection of various systems including telecommunications, automotive, and consumer electronics from overvoltage transients. This device is available in a SMA or DO-214AA package and can protect combinations of I/O lines, power lines and coaxial cables. The 3.0SMCJ13ATR is designed to protect sensitive electronic equipment from damage or performance degradation due to electrical fast transients (EFT) or lightning.

The 3.0SMCJ13ATR provides two important functions: the first is an ESD diode to protect the devices form electrostatic discharge damages, and the second is a transient voltage suppressor (TVS) with a response time of less than 1.0 ps (10^-12s) to shunt away any fast transient voltage overshoot.

The device typically operates by redirecting the surge current to ground. A unique feature of the 3.0SMCJ13ATR is the electrically isolated high voltage port, allowing the device to be used on high voltage DC power line applications. It has a repetitive peak pulse power rating of 600 W (8/20 μs waveform) and a clamping voltage of about 9 V (Vd).

The 3.0SMCJ13ATR has a low standoff voltage which makes it ideal for protection of sensitive components and boards in direct-connect applications. It is also able to handle current surge of up to 12 A. This makes it a suitable protection device for low voltage electronics that may be exposed to overvoltage transients an ESD.

In summary, the 3.0SMCJ13ATR TVS diode provides a valuable protection from overvoltage transients, ESDs, and lightning due its unidirectional function and fast response time of less than 1.0 ps. Its low standoff voltage and high surge current capability makes it a suitable protection device for a wide range of industrial applications.

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