L4004D6TP

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):	5mA
Current - Hold (Ih) (Max):	10mA
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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Thyristors - TRIACs - L4004D6TP application field and working principle

Thyristors are a class of electronic components or semiconductors used in many diverse applications. They are reversible switches, and their switching functions are employed in various applications ranging from high power AC lighting control to MCU (microcontroller unit) power supply. An example of Thyristor is the L4004D6TP. It is a high-voltage three-terminal switch. The L4004D6TP, produced by the Japanese semiconductor manufacturer Renesas, is a TRIAC (triode for alternating current) with a 6A forward blocking current, 300V to 600V dynamic dv/dt rating, and a 10° gate triggering angle. It is typically used for applications such as street light control, lighting, motor control, and AC/DC adapter control. The L4004D6TP is highly compact, requiring only a small PCB area, and operates within a wide voltage range. It is ideal for applications where space is limited. TRIACs are special semiconductor devices used to control the flow of current in AC (alternating current) circuits. They are able to switch both halves of the AC waveform, providing full on/off control of the current driven device. As they allow the current to flow in both directions, they are called three-quadrant devices or four-quadrant devices (depending on how they are connected). This provides a great advantage when compared to unidirectional semiconductor devices, such as SCR (silicon-controlled rectifier). The L4004D6TP device is specifically used as an AC power switch. By connecting a control signal to the gate, the device is able to switch on and off the connected load. This process requires the application of a gate pulse of the correct magnitude and duration. The TRIAC device conducts current for both positive and negative half cycles of an AC waveform. In its operation, the L4004D6TP has several important characteristics. It has a higher turn-on voltage (VGT) at lower gate current than conventional TRIACs, it has a low gate triggering current (ITM) resulting in lower switching power consumption, and also it has a ten-degree triggering angle which helps to reduce the probability of high-frequency burst noise. All these features make the device suitable for different power-supply applications. In terms of its working principle, the L4004D6TP is an on-off switch that turns on and off in response to an applied gate signal. When the gate voltage is switched on through the gate terminal, the device begins the process of conducting current. To turn the device off, the gate voltage is reduced to below the minimum gate voltage. In conclusion, the L4004D6TP TRIAC is a highly efficient and reliable device used for AC power switching applications. Its superior dynamic ratings, small size and low switching power consumption make it a perfect choice for use in modern high power AC systems.

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