SMDJ9.0A-HRAT7 Circuit Protection

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TVS-Diodes are protective components that provide overvoltage protection to electronic circuits against transient voltages or electrical surges. They are commonly used to protect sensitive semiconductors from faults, such as those resulting from EMI/RFI. The SMDJ9.0A-HRAT7 is a common example of such a device.

The SMDJ9.0A-HRAT7 is an ultra-low capacitance transient voltage suppressor diode which is designed to protect delicate components that are subject to ESD or EFT. It is rated at a peak pulse power of 9KW (10/1000 μs) with a proper installation. The device features a built-in bypass diode that prevents the inrush current when the power supply is applied and eliminates the need for external components. It is designed to provide overvoltage protection and circuit isolation up to a maximum leakage current of 8 mA.

The working principle behind the SMDJ9.0A-HRAT7 is based on its series configuration, which provides a clamping effect when the voltage across the device exceeds a certain predetermined threshold. When this happens, the forward voltage of the diode drops as current is shunted through the device and is short-circuited. This helps to reduce the transient voltage and also prevents possible damage to the electronic components.

The SMDJ9.0A-HRAT7 is ideal for applications where high transient voltage protection is required. It can be used to protect a variety of circuits, such as stepper motors, LED strings, logic circuits, RF receivers, microprocessors and motors. The device can also be used to protect power systems, such as power supplies, uninterruptable power supplies, solar inverters, and battery charging systems.

Overall, the SMDJ9.0A-HRAT7 is suitable for a wide range of applications in the field of TVS-Diodes. It provides robust protection against transient voltage surges while allowing for simple circuit design and easy installation. It also offers a high peak pulse power rating, making it well suited for protecting sensitive electronic components from ESD and EFT events.

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