SMAJ33A-QH

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TVS diodes are an essential component in understanding and protecting against electrical overstress (EOS) events in any electronic system. The SMAJ33A-QH Transil™ TVS (Transient Voltage Suppressor) diode is used to protect sensitive components against very high voltage and energy levels. This Transil Diode works by increasing its resistance abruptly so that the power can be safely diverted away. It is designed to suppress surges, including lightning-induced transients, that could potentially damage sensitive components in the system.

The SMAJ33A-QH Transil diode is an advanced, high-efficiency solution for protecting high-speed signal lines in many applications, including automotive, communication, industrial, and consumer electronics. It is a bi-directional, surface-mount diode with an optimized breakdown voltage of 33V. This Transil diode provides superior surge protection by handling up to 9A pulse current, 0.1 to 0.8μs pulse rise times, and up to 10,000A current energy. Its fast response time helps to safely clap incoming surges and provide uninterrupted service.

The SMAJ33A-QH is available in a choice of 2-pin plastic packages, making it easy to install on a printed circuit board. Its unique design eliminates the need for external protection elements such as capacitors, making it very cost-effective. The device also offers bidirectional protection against ESD, lightning, and overvoltage, making it suitable for use in many applications.

This Transil diode has many applications, such as fire alarm systems, machine control systems, air conditioning and heating systems, and motor control systems. It is used to protect sensitive components, such as microcontroller and logic chips, from damage due to surges or spikes in voltage. It is also used in automobiles to protect electronics from harmful noises due to alternator switching or electric motor switching. The device can be used in emission control systems and to protect power-control systems, such as chargers and adaptors.

The SMAJ33A-QH Transil diode works on the principle of electrostatic discharge (ESD). When a voltage spike occurs, the voltage on the diode line increases greatly, triggering an avalanche breakdown. This causes the diode to become a low-resistance shunt that dissipates the excess energy to ground, protecting the rest of the system. The device is capable of handling high-frequency, high-energy pulses without breaking down.

The SMAJ33A-QH Transil diode is a versatile device, designed to protect a wide range of electronic systems from voltage surges and ESD events. Its high performance and efficient design make it an ideal choice for many applications requiring surge and ESD protection.

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