SA17CA Circuit Protection

Power - Peak Pulse:	500W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Through Hole
Package / Case:	DO-204AC, DO-15, Axial
Supplier Device Package:	DO-204AC (DO-15)
Series:	SA
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Bidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	17V
Voltage - Breakdown (Min):	18.9V
Voltage - Clamping (Max) @ Ipp:	27.6V
Current - Peak Pulse (10/1000µs):	18.5A

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The field of application and working principle of SA17CA is primarily within the field of TVS (transient voltage suppressors) diodes. TVS diodes are essentially high voltage electrical components that are designed to protect other electrical components from damage caused by excessive voltage spikes.A TVS diode consists of three main components: the anode, the cathode and the p-n junction. When an excessive voltage spike occurs, the diode responds by conducting positive charge away from the anode and collecting negative charge at the cathode. This allows for a rapid reduction of the excess voltage.The SA17CA is a bi-directional diode, which means that it can protect against both positive and negative voltage spikes. It is a highly efficient TVS diode, with a breakdown voltage of 17V and a low capacitance of 3pF. This makes it ideal for use in high-speed applications, as it has a quick response time and can handle higher voltage spikes. The way in which the SA17CA works depends on the type of circuit in which it is used. In a series circuit, the diode will be placed in between two other components. When a voltage spike occurs, the diode will conduct the excess voltage away from the two other components, allowing the voltage level to return to normal.In a parallel circuit, the diode will be connected to multiple components. When a voltage spike occurs, the diode will take on the brunt of the voltage spike, allowing the other components to remain relatively safe.The SA17CA can also be used in anti-parallel circuits. In this type of circuit, the diode will be placed in between two other components, but the direction of current flow across the diode will be opposite of the direction of current flow in the two components. When a voltage spike occurs, the diode will act as a sort of "safety valve" by diverting the excess voltage from the two other components.When choosing a TVS diode, it is important to ensure that its breakdown voltage is sufficient for the circuit in which it will be used. The breakdown voltage of the SA17CA is 17V, which makes it suitable for most applications. In addition, it is important to consider the capacitance of the diode, as this can affect the response time of the component. The SA17CA has a low capacitance of 3pF, making it suitable for high-speed applications.In conclusion, the SA17CA is an efficient and highly reliable component for use in TVS diode applications. It is ideal for use in both series and parallel circuits, as well as in anti-parallel circuits. The diode has a breakdown voltage of 17V and a low capacitance of 3pF, making it suitable for both standard and high-speed applications.

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