SA17C Circuit Protection

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SA17C TVS diodes are a type of transient voltage suppressor (TVS) and are commonly used in various electronic circuits and systems for protection from transient events such as electrostatic discharge (ESD) or power surges. They are designed to withstand a certain amount of current and energy, without damage or disruption to the circuit, and this makes them the ideal components for protecting sensitive components and circuits.

The SA17C TVS diode is available in a variety of packages depending on the application. Commonly used packages are SMA (surface mount diodes), DO-214 (discrete diodes), SMA and MELF (molded leadless face). SA17C TVS diodes typically have a reverse standoff voltage range (VRWM) of 12 volts to 28 volts, and a breakdown voltage of 18 volts.

The working principle of the SA17C TVS diode is simple: when the input voltage exceeds the reverse standoff voltage (VRWM) of the diode, the voltage is “clamped” to a level that does not cause damage or disruption to the circuit. This is achieved by a reverse voltage breakdown mechanism in which the diode allows reverse current flow at that level.

The SA17C TVS diode is an important component in system designs requiring protection from transient events. For example, it can be used in automotive circuits to protect against shorts due to water ingress, or in aircraft applications for protection against lightning strikes. It can also be used in an Ethernet application to protect against ESD, or to protect any other type of high speed digital line, such as HDMI, that may be vulnerable to transient events.

The SA17C TVS diode is a rugged and reliable TVS component, designed to handle the maximum current and energy that the diode will see. The SA17C TVS diode is also designed to limit the input voltage to a safe level, and so it can be used to protect sensitive circuits and components from voltage transients. The component also exhibits a low capacitance to minimize signal distortion, making it ideal for high speed digital lines.

In conclusion, the SA17C TVS diode is an important component for circuit protection, designed to withstand voltage transients and current surges and limit the input voltage to a safe level. It is available in various packages, and is suitable for a range of applications including automotive, aircraft, and Ethernet. The component is rugged and reliable, and has a low capacitance to protect signals from distortion.

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