SMDJ11A-T7

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TVS (Transient Voltage Suppressor) diodes are a type of semi-conductor based device used to absorb transients over-voltages and protect downstream components. SMDJ11A-T7 is a type of TVS diode that provides advanced ESD and lightning surge protection against intrusion of and damaging the device and its associated circuitry. This article will discuss the application field and working principle for SMDJ11A-T7.

The SMDJ11A-T7 is packaged in the SMAF and SMBF package. It is an unidirectional TVS with a reverse standoff voltage of 11V and a reverse clamping voltage of 16.8V. It is capable of handling surge and ESD protection for data and signal lines up to 0.5 Amperes. With its fast response time and low I/R characteristics, SMDJ11A-T7 is ideal for applications requiring overvoltage transient protection, such as Industrial and Automotive electronics, electronic circuits, communications systems, computer peripherals, and laptop computers.

The SMDJ11A-T7 achieves high ESD protection level up to 30kV contact and 25kV air-gap discharge with ultra low peak pulse current (IPP) up to 0.5A minimum. With its low working voltage, it provides full protection up to 11V and withstands across-I/V rally up to 20A (2/10us). The SMDJ11A-T7 features low leakage current, displacement current and displacement breakdown voltage which it allows designers to utilize SMDJ11A-T7 for many different applications requiring low voltage operation.

The working principle of SMDJ11A-T7 is known as the avalanche breakdown. This is a type of flow generated by the electrons triggered by an applied electric field. The flow of current is likely to increase exponentially with any increase of applied voltage. This effect gives the TVS diode its ability to conduct very high current at low voltage and quickly dissipate any transient over voltage.

As a result of its integrated circuit design and feature set, SMDJ11A-T7 is ideal for short circuit or ESD protection applications. It can reduce total discharge current and dissipate greater amounts of energy quickly without damaging the protected device. This provides a more reliable ESD and lightning surge protection than the traditional Zener, ceramic, or gas-plasma based devices.

In summary, SMDJ11A-T7 is a type of TVS diode used in a variety of applications that require protection against transient over-voltages and electrostatic discharges. It provides excellent surge protection by utilizing the avalanche breakdown principle. Thanks to its advanced design and features, the SMDJ11A-T7 is capable of handling current levels up to 0.5A and providing a reliable and cost efficient ESD and lightning surge protection.

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