L4004D3TP

Series:	--
Packaging:	Tube
Part Status:	Active
Triac Type:	Logic - Sensitive Gate
Voltage - Off State:	400V
Current - On State (It (RMS)) (Max):	4A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	33A, 40A
Current - Gate Trigger (Igt) (Max):	3mA
Current - Hold (Ih) (Max):	5mA
Configuration:	Single
Operating Temperature:	-40°C ~ 110°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	TO-252, (D-Pak)

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<h2>Thyristors - TRIACs</h2><p>The L4004D3TP is a special type of thyristor known as a TRIAC (Triode for Alternating Current). This is a semiconductor device that enables a user to control the current flow in alternating current circuits. It is capable of alternating the flow of current in either direction. This makes it an ideal choice for a wide range of applications from dimmers to motor controllers.</p><p>The L4004D3TP is a type of bidirectional semiconductor switch, or simply a thyristor. It has three main terminals – Gate (G), Anode (A) and Cathode (K). The Gate terminal is used to control the switching action. When a voltage is applied to this terminal it turns the device “on”, allowing a current to flow through the circuit. The Anode and Cathode terminals are connected to the AC supply, and serve as the terminals that deliver and receive the power.</p><p>The L4004D3TP is well suited to many switching applications such as dimmer circuits, phase-controlled motors, phase comparators and temperature controllers. It is an especially effective choice for applications requiring low switching power levels like arc-furnace operations. It can also be used to control the speed of a motor by reversing its phase-angle when used as part of a manual dimmer circuit.</p><p>The working principle of the L4004D3TP is based on the four regions in which it operates - Forward blocking, Reverse blocking, Forward conduction and Reverse conduction. When the Gate voltage is low, no current will flow since the thyristor is in a non-conducting phase. When it is increased, the thyristor moves into the forward blocking phase, preventing current from flowing. When it is further increased, the thyristor moves into the forward conduction phase, allowing the current to flow from Anode to Cathode. When the Gate voltage is decreased, the device moves into the reverse blocking phase, blocking the current from flowing. Finally, when the voltage is decreased even further, the thyristor moves into the reverse conduction phase and current starts to flow from Cathode to Anode.</p><p>Overall, the L4004D3TP is a useful and versatile device. It offers a high level of reliability and power efficiency. It is capable of being used in a wide variety of applications, from dimmers to motor controllers. Its bidirectional switching capabilities make it a valuable component in many applications.</p>

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