Q4015L553

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Triac Type:	Standard
Voltage - Off State:	400V
Current - On State (It (RMS)) (Max):	15A
Voltage - Gate Trigger (Vgt) (Max):	2V
Current - Non Rep. Surge 50, 60Hz (Itsm):	167A, 200A
Current - Gate Trigger (Igt) (Max):	50mA
Current - Hold (Ih) (Max):	70mA
Configuration:	Single
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3 Isolated Tab, Formed Leads
Supplier Device Package:	TO-220 Isolated Tab

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<p>TRIACs (triode for alternating current) are a kind of thyristor, a solid-state semiconductor device used as a switching element in an electrical circuit. In comparison to a Simple Triode Switch (NOR), TRIACs offer more flexibility because they are able to control both forward and reverse current flow through the device.The Q4015L553 is a particular type of TRIAC with a maximum ratings of 400V, 15A, and 3.5KW. This type of TRIAC is mainly used in switching applications, such as light dimmers, fan controllers, motor speed controllers, and static relays.The working principle of Q4015L553 is fairly simple. It is composed of three distinct terminals – MT1 (Main Terminal 1), MT2 (Main Terminal 2) and G (Gate). MT1 and MT2 are often referred to as the main terminals because they form the main conducting path of the device. The Gate terminal, on the other hand, is used to control the device’s on/off state and can be used to vary the amount of current flowing through the main terminals.When a small current or voltage is applied to the Gate terminal, it heats up, causing the entire device to become conductive. This “on” state will remain until the current or voltage is removed from the Gate terminal, at which point the device will revert to its “off” state. Similarly, the amount of current flowing through the MT1 and MT2 terminals can be increased or decreased by adjusting the Gate voltage. In conclusion, Q4015L553 is a type of TRIAC that can be used in a variety of switching applications. Its main terminals form the main conducting path, while the Gate terminal is used to adjust the amount of current flowing through the device. By adjusting the amount of Gate voltage, the device can be used to control both forward and reverse current flow.</p>

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