GSOT05-HE3-18

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Transient voltage suppression (TVS) diodes are semiconductor devices that are designed to protect by providing high-level surge protection from lightning and electrical transients. They are designed to protect sensitive electronic equipment from damage due to current transients, overvoltage, and overcurrent. The GSOT05-HE3-18 is a TVS diode and is used to protect against voltage transients in electrical and electronic circuits.

The GSOT05-HE3-18 is a three-terminal, surface-mount, unidirectional TVS diode. Its terminals are anode, cathode, and body. The body of the diode is connected to the cathode for the purpose of providing a mechanism for the electrical current to flow through the diode from the anode to the cathode.

The GSOT05-HE3-18 is designed to withstand repetitive transient overvoltage stress up to 1500W peak pulse power with a 10/1000µs pulse waveform. It has a reverse breakdown voltage (VR) of 18 volts and a forward leakage current (IL) of 100µA. The forward voltage drop (VF) is typically less than 0.65 volts. The diode has surge current capability and clamping voltage of 1500 watts (1.5KW) with a power line rating of 30 amperes.

The GSOT05-HE3-18 is used for a variety of applications including EMI/RFI suppression, overvoltage and overcurrent protection, and surge protection. It is used in automotive applications such as ignition circuits, lighting circuits, instrumentation, and charging systems. It is also used in camera flash circuits, video and audio systems, and various other electronic circuits.

In terms of working principle, a TVS diode is designed to provide a controlled short circuit in high voltage transients in order to protect the other components in the circuit. When a voltage transient occurs, the diode quickly changes from a low resistance to a high resistance state, thus creating a path that protects the devices from damage due to overvoltage. This is known as the breakdown voltage of the diode.

When the transient voltage exceeds the breakdown voltage, the diode quickly turns on and conducts a portion of the current to ground. This prevents further propagation of the overvoltage. The diode also prevents reverse voltage from entering the circuit, thus protecting the components from damage due to reverse voltage.

In summary, the GSOT05-HE3-18 is a three-terminal, surface-mount, unidirectional TVS diode that provides high-level surge protection from lightning and electrical transients. It has a reverse breakdown voltage of 18 volts, a forward leakage current of 100µA, and a forward voltage drop of less than 0.65 volts. It is used to protect against voltage transients in electrical and electronic circuits, and its principle of operation relies on quickly changing from a low resistance to a high resistance state during transients in order to protect other components in the circuit.

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