Q2006VH4

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Triac Type:	Alternistor - Snubberless
Voltage - Off State:	200V
Current - On State (It (RMS)) (Max):	6A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	55A, 65A
Current - Gate Trigger (Igt) (Max):	35mA
Current - Hold (Ih) (Max):	35mA
Configuration:	Single
Operating Temperature:	-40°C ~ 125°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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Introduction to TRIACs
A Triac is a solid-state electronic component that is known as a type of Thyristor. It is used as a switch in AC circuits, allowing current to flow and responding to the varying amount of voltage in order to regulate the flow of current accordingly. Triac\'s provide bidirectional control and are particularly useful for AC applications as they have no current draw with no switching. TRIACs, also known as "thyristor AC switching devices" are an important component in many industrial and automotive applications. They are part of the SCR family, which includes other SCRs such as SCS, SIDAC and SITOR.

Q2006VH4 Application Field and Working Principle
The Q2006VH4 is a 4-pin module Triac, manufactured by QinetiQ, that is designed to be used in high temperature and high humidity environments. It is well suited to controlling AC loads such as compressors, motors, pumps and fans. This module is designed to bridge the gap between traditional Triac solutions and higher power require devices such as ETapolar. The Q2006VH4 provides a good balance of efficiency, reliability and cost. It is capable of switching up to 10A of AC current, and has a nominal operating temperature range of -10°C to 85°C.

The Q2006VH4 operates on an alternating current (AC) signal. When an AC current is applied to the TRIAC, it allows the current to pass through it\'s three junctions and conduct. The TRIAC is turned “on” by applying a positive trigger pulse to its gate. Once triggered, the TRIAC will stay “on” until the AC cycle is complete, at which point it will return to its “off” state. The Q2006VH4 is designed to operate in a zero crossings configuration, meaning that it will only allow current to pass, when the signal is in a zero crossing state (that is, when the voltage signal is at zero volts relative to ground).

The main features of the Q2006VH4 module include: AC line regulation, reverse breakdown voltage, electrical isolation and reverse polarity protection. The AC line regulation ensures that the output current remains constant regardless of the AC voltage, while the reverse breakdown voltage prevents excess current from flowing into the source. The electrical isolation is designed to provide safety in the event of a short circuit and the reverse polarity protection prevents the TRIAC from being damaged by incorrect connections. The Q2006VH4 is also highly reliable and temperature resistant, with it\'s nominal operating temperature range of -10°C to 85°C.

Conclusion
The Q2006VH4 is a highly reliable and efficient 4-pin module Triac, which is suitable for controlling AC loads. It features AC line regulation, reverse breakdown voltage, electrical isolation and reverse polarity protection, making it an ideal choice for applications that require current control under varying conditions. It is capable of switching up to 10A of AC current, with a nominal operating temperature range of -10°C to 85°C.

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