A1225UC4LRP

Series:	SIDACtor®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	130V, 290V
Voltage - Off State:	100V, 230V
Voltage - On State:	4V
Current - Peak Pulse (8/20µs):	400A
Current - Peak Pulse (10/1000µs):	100A
Current - Hold (Ih):	120mA
Number of Elements:	4
Capacitance:	35pF, 50pF, 90pF
Mounting Type:	Surface Mount
Package / Case:	6-SMD, Gull Wing

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A1225UC4LRP Application Field and Working Principle

Thyristors are semiconductor electronic components that act as switches for high-power applications. The A1225UC4LRP is a thyristor specifically designed for use in short-circuit / overcurrent protection applications. This thyristor is mainly used in power supplies and other electric fields as a protective device against high current. It has a rating of 600V, 2A with a peak impulse power dissipation of 200KW. It also has a widely adjustable fire angle, high surge current capacity, and a long life expectancy.The working principle behind a thyristor is simple – it turns on when the anode current and the gate current are sufficient enough. When the anode current reaches the threshold current, it begins conduction. The trigger current or the gate current flows from the gate lead and when it reaches the gate trigger voltage, the thyristor turns on. Once it is on, more current can flow and the switch is said to be in bypass mode. Additionally, thyristors can be constructed to turn on and off when an AC voltage is applied or can be used for applications that require the switching of pulse like signals.The A1225UC4LRP thyristor is mainly used as a protection device in high power applications such as in power supplies or for the conduction of large current. It is also often used in circuits that require high reliability and long life. This thyristor is designed for over-current protection and can be used as a general-purpose control switch. It can also be used as an on/off switch and can be activated by a voltage input or triggered using an isolated signal.The device is also useful in power suppression and high-voltage arc detection applications as it is resistant to sustained arc. Additionally, its protection feature is not limited to just over-current but also involves thermal protection, short-circuit protection, and phase detection. This device has a wide range of operating temperatures, from -40°C to 125°C, and a low on-state voltage and is capable of carrying large currents with low resistance.In conclusion, the A1225UC4LRP thyristor is a versatile device primarily designed for use in short-circuit / overcurrent protection applications. It has a wide range of operating temperatures, a low on-state voltage, a wide heavily adjustable fire angle, and a long life expectancy. Additionally, its protection features and highly reliable circuits make it an ideal choice for high-power applications.

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