L4006V6

Series:	--
Packaging:	Bulk
Part Status:	Discontinued at Digi-Key
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

L4006V6 Application Field and Working Principle

A TRIAC (triode for alternating current) is a type of thyristor. It functions as a switch that enables the passage of current when triggered. Specifically, the L4006V6 is a four-pin, standard zero-crossing 4 amp TRIAC. It is suitable for controlling resistive loads and is used in motor speed control and motor starter circuits, solid state relays, and lighting dimmers. The L4006V6 functions between the two main terminals as long as voltage is applied. This is known as the holding current. Its ability to switch on and off depend on the level of current flow across the gate. When the gate receives enough current to turn it on, the current will then flow from one main terminal to another. When the gate is not receiving current, the current will cease to flow.The way that TRIACs function is through a three-stage process. The first step is the breakover process. This involves the increase in current that occurs when the anode reaches a certain value before the cathode. This creates a high-voltage peak between them. This peak allows the TRIAC to turn on and reach conduction.The second step is the holding step. During this step, the TRIAC will remain in conduction as long as the anode-cathode voltage remains low. As soon as the voltage reaches a certain threshold, then the TRIAC will turn off. This allows for precise control of the currentThe third and final step is the turn-off process. During this step, the TRIAC will turn off as soon as the current flow drops below the holding current. This ensures that the TRIAC does not remain in the conduction state, thus preventing unwanted currents in the system.Thanks to its relatively small size and low cost, the L4006V6 TRIAC is a popular choice for controlling current in various applications. Its features, such as its low gate current requirement and highly reliable switching behavior, make it an attractive option. Plus, its compact size and ability to withstand high temperatures make it a great choice for even the most demanding applications. It is a reliable and cost-effective option for controlling resistive loads.

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