Q6012LTH1LED

Series:	--
Packaging:	Bulk
Part Status:	Discontinued at Digi-Key
Triac Type:	Internally Triggered
Voltage - Off State:	600V
Current - On State (It (RMS)) (Max):	12A
Current - Non Rep. Surge 50, 60Hz (Itsm):	110A, 120A
Current - Hold (Ih) (Max):	8mA
Configuration:	Single
Operating Temperature:	-40°C ~ 110°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3 Isolated Tab
Supplier Device Package:	TO-220 Isolated Tab

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Introduction

Thyristors as switching devices can be classified into different types, such as Thyristor (SCRs), Triacs, etc. Among these types, Triac has its own unique characteristics and wide applications. This article will discuss the application field and working principle of Q6012LTH1LED, which belongs to Triac type.

Q6012LTH1LED Application Field

Q6012LTH1LED is one of the axial leaded thyristors (SCR) type triac with high blocking voltage capacity and sensitive gate trigger current. With high SOA (safe operating area), it can sustain high current and voltage. It is produced to dominate the worldwide ac switching and phase control applications.Q6012LTH1LED has broad applications in different areas such as lighting control, industrial heating, residential power supplied system, synchronization and motor control, etc.For lighting control, it provides reliable phase control for variable-speed motor drive, which helps to achieve smooth brightness dimming. In the application of industrial heating, Q6012LTH1LED can regulate the heating temperature effectively and efficiently. It is also used in residential power supplied system to control the power supplied to the house, helping to reduce energy consumption and save electricity bill.

Q6012LTH1LED Working Principle

The housing of Q6012LTH1LED Thyristor is similar to a SCR, as both of them possess four terminals: one anode, one cathode and two gates. As mentioned above, Triac has a characteristics of conducting power in both directions when triggered. The Q6012LTH1LED is triggered by gate current. When current flows through anode and cathode of the device, it will close the gate, allowing current to pass through in both directions. As the voltage of one end rises to the peak point, the gate pickup current will cause Q6012LTH1LED to turn on. Then, current passes through the triac in both directions and it will remain on, until the voltage of the other end reaches peak point, then it will turn off automatically.This cycle will repeat itself, which allows current to transfer from one end to the other. If the gate current is removed or turns off, Q6012LTH1LED will turn off automatically, protecting the device and related equipment.

Conclusion

Q6012LTH1LED is a type of Triac with high blocking voltage capacity and sensitive gate trigger current. It possess broad applications in different areas such as lighting control, industrial heating, residential power supplied system, synchronization and motor control. Its working principle is based on the triggering of the gate current, and will turn off automatically when the gate current is removed or turns off.

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