BTA425Y-800CTQ

Series:	--
Packaging:	Tube
Part Status:	Active
Triac Type:	Standard
Voltage - Off State:	800V
Current - On State (It (RMS)) (Max):	25A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	250A, 275A
Current - Gate Trigger (Igt) (Max):	35mA
Current - Hold (Ih) (Max):	50mA
Configuration:	Single
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3 Isolated Tab
Supplier Device Package:	TO-220AB

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Thyristors - TRIACs

Thyristors are a type of electronic device with three terminals, used as semiconductor switches in modern electronic circuits. Thyristors are hugely versatile and can be used in a variety of industrial and military applications. One particular type of thyristor, known as the TRIAC (abbreviation of Three Transistor controlled Rectifier AC switch) is especially popular in applications requiring high switching and control speed.The BTA425Y-800CTQ is a TRIAC from the BTA series, offering a maximum Gate trigger current of 4 mA, a maximum Gate voltage of 12V, and a maximum Gate trigger power of 5W for DC operation. This type of TRIAC is suitable for a range of applications, including lighting systems, heating systems, motor controls, major appliances, and home electronics.The working principle of this type of TRIAC is based on a three-terminal device, consisting of two main electrodes (the anode and cathode) and a gate control pin. When a small current (or pulse) is applied to the gate terminal, it triggers the thyristor to become active, allowing the two main electrodes to conduct current. When the current applied to the gate is reduced, the device breaks down, thereby blocking the current flowing through the main electrodes.This basic principle of operation enables the device to be readily used in applications such as motor control, where variable speeds might be required. By applying variable currents to the gate terminal of the TRIAC, the motor’s speed can be easily adjusted. This type of TRIAC is also popularly used in light dimming applications since the light’s intensity can be adjusted by controlling the voltage applied to the gate.Apart from control applications, BTA425Y-800CTQ can be used in applications requiring high switching on/off speeds. This type of TRIAC is able to respond in under 0.5μs, making it suitable for applications such as microwave ovens, chargers and UPS systems.The BTA425Y-800CTQ is also a highly reliable device, with a soft-start feature that provides protection against inrush currents. This TRIAC can also withstand very high surge currents (4500A) without permanent damage, and has a maximum working temperature of +125°C. This high level of thermal resilience makes the BTA425Y-800CTQ suitable for use in high temperature industrial environments.Overall, the BTA425Y-800CTQ is a reliable and versatile TRIAC that can be used in a wide range of applications, from light dimming and motor control to high speed switching in microwave ovens and other appliances. The high speed switching capabilities, coupled with the high surge current resistance and high temperature rating make this TRIAC ideal for industrial applications.

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