P1803ZC Circuit Protection

Series:	SIDACtor®
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	210V
Voltage - Off State:	150V
Voltage - On State:	8V
Current - Peak Pulse (8/20µs):	400A
Current - Peak Pulse (10/1000µs):	100A
Current - Hold (Ih):	150mA
Number of Elements:	12
Capacitance:	40pF
Mounting Type:	Through Hole
Package / Case:	20-SIP

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<h2>P1803ZC Application Field and Working Principle</h2> <p> Thyristor-based devices, including P1803ZC, are a type of electronic semiconductor device that acts as a switch or gate. These devices can be used for various applications. Many applications require thyristors, such as in power supplies, motor control, battery chargers, and voltage regulation. </p><p>The P1803ZC is basically a four-pin thyristor. It is a two terminal unidirectional device, meaning that the current can only flow in one direction. This type of thyristor is also known as a “Press-Pack” device, meaning that it has a unique design for mounting and installation which makes it suitable for high-power and high-voltage applications.</p><p>The primary features and benefits of the P1803ZC are its high voltage rating, low forward voltage drop, and high surge capability. It also has a higher thermal dissipation capacity than other thyristors, making it suitable for applications that require high power dissipation. Additionally, it has an integrated control logic that allows an operator to directly control the device.</p><p>The P1803ZC works by trapping the current that passes through its leads when a certain voltage is applied on the gate. This lets the current flow through the device until a low enough voltage is applied across the gate. The device has to be triggered first for current to be able to pass through it.</p><p>The common applications for the P1803ZC include controlling and regulating power, motor speed and direction, lighting, as well as high-power and high-voltage applications. It is also used in battery chargers and inverters for off-grid solar and wind applications.</p><p>The P1803ZC has a high surge capability, meaning it is suitable for applications in which large transient spikes could potentially occur. To prevent such voltages, the device is designed with an integrated current control circuit and a protection circuit that automatically turns the current off at potentially damaging levels.</p><p>The proper use of the P1803ZC requires a minimum gate-trigger voltage of 12V, and a minimum gate current of 10mA. It is important to not exceed the maximum ratings, as it could result in permanent device damage.</p><p>In conclusion, the P1803ZC is a four-pin unidirectional thyristor that is used for controlling and regulating power, motor speed and direction, lighting, as well as for high-power and high-voltage applications. It works by trapping the current that passes through its leads when a certain voltage is applied on the gate. The device has a high surge capability and is protected from potentially damaging voltages by an integrated current control and protection circuit.</p>

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