L4006V6TP

Series:	--
Packaging:	Tube
Part Status:	Active
Triac Type:	Logic - Sensitive Gate
Voltage - Off State:	400V
Current - On State (It (RMS)) (Max):	6A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	50A, 60A
Current - Gate Trigger (Igt) (Max):	5mA
Current - Hold (Ih) (Max):	10mA
Configuration:	Single
Operating Temperature:	-40°C ~ 110°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-251-3 Short Leads, IPak, TO-251AA
Supplier Device Package:	TO-251 (V-Pak/I-Pak)

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Thyristors - TRIACs

L4006V6TP Application Field and Working Principle

The L4006V6TP is a bidirectional TRIAC thyristor designed for general purpose switching and phase control applications in medium and low power circuits. This high-performance TRIAC thyristor is capable of handling up to 6A continuous average current at operating temperature of up to 110°C. It can be used in DC and AC circuits and is ideal for circuit protection, AC power switching and motor speed control applications.

What Is a TRIAC?

A TRIAC (Triode for Alternating Current) is a type of thyristor that is able to conduct current both ways and can be used for alternating current (AC). It has three terminals, the main two being MT1 (main terminal 1) and MT2 (main terminal 2), and the third being a gate terminal (or control terminal) which is used to control when the TRIAC switches on. TRIACs are robust, versatile components and can be found in a variety of applications.

How Does a TRIAC Work?

A TRIAC works by blocking current flow until a voltage is applied to the gate terminal. When this voltage is applied, the TRIAC turns on and conducts current across both directions. This is referred to as the breakdown voltage of the TRIAC, and the voltage applied via the gate will control the amount of current conducted through the device. This breakdown voltage can also be increased by adding external capacitors between the gate and MT1 and MT2 terminals.Once it has been activated, the current passing through the TRIAC can be freely varied by controlling the gate voltage. The amount of current passing through the TRIAC is dependent on the phase angle of the AC wave, which is the angle between current and voltage waveforms.The L4006V6TP has a breakover voltage of 6V and is capable of handling up to 6A in continuous operation up to 110°C. As such it is suitable for applications such as dimmers, light switches, motor speed control and temperature regulation.

Advantages and Disadvantages of TRIACs

The main advantages of TRIACs are their versatility and ability to perform in both AC and DC circuits. They are also able to switch quickly, which makes them suitable for applications where speed is important such as motor speed control.The main disadvantage of TRIACs is their insufficient gate current capability, which means they may require an external driver circuit in order to switch on. In addition, the breakdown voltage is difficult to alter post-manufacture and the high switching frequency can lead to losses in efficiency.

Conclusion

The L4006V6TP TRIAC thyristor is a high-performance device suited to general purpose switching and phase control applications. It is capable of handling up to 6A continuous current, has a breakdown voltage of 6V and is suitable for use in both AC and DC circuits. Whilst TRIACs are versatile components, they are prone to losses in efficiency due to their high switching frequencies and may require additional external driver circuits for operation.

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