SLD51-018

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TVS - Diodes are fabricated semiconductor devices that guard against voltage transients, also commonly referred to as transient voltage suppressors or transient voltage suppressor diodes (TVSDs). They are particularly used to protect components in a circuit from being damaged due to large current or high voltage transients, also known as voltage spikes. The SLD51-018 is a TVS diode designed and manufactured by Sanyo Denki. It is a unidirectional device, protected against transients resulting from electrostatic discharge (ESD).

The SLD51-018 is a small surge absorber suitable for use in a wide variety of applications. It has a voltage hold-off of 18V and a peak pulse power rating of 440W. This makes it suitable for a range of applications, such as automotive, telecommunications, and data processing. For example, the SLD51-018 can be used to protect sensitive components, such as CPUs, from overvoltage and short-circuit transients.

The working principle of the SLD51-018 is similar to that of other TVS diodes. In normal operation, the diode acts as an open circuit, allowing no current to flow through it. When a large voltage transient occurs, the diode quickly switches to a low impedance state, allowing current to flow in either direction. This process, known as clamping, serves to dissipate any excess voltage from the system and thus protect sensitive components. The clamping voltage of the SLD51-018 is 17V.

In addition to its surge absorption capabilities, the SLD51-018 also provides protection against electrostatic discharge through its inherent ESD protection circuitry. This circuitry is designed to limit any damage caused by static electricity by quickly discharging any ESD that accumulates on the component, which further reinforces the already existing overvoltage protection.

Overall, the SLD51-018 is an effective transient protection device for a range of different applications. Its ESD protection circuitry provides protection from static electricity, while its fast-acting clamping feature offers robust protection against overvoltage transients. The device also has a small footprint, making it suitable for use in tight spaces. As such, the SLD51-018 is an invaluable surge absorber for a variety of different applications.

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