Q8010L4

Series:	--
Packaging:	Bulk
Part Status:	Discontinued at Digi-Key
Triac Type:	Standard
Voltage - Off State:	800V
Current - On State (It (RMS)) (Max):	10A
Voltage - Gate Trigger (Vgt) (Max):	1.3V
Current - Non Rep. Surge 50, 60Hz (Itsm):	100A, 120A
Current - Gate Trigger (Igt) (Max):	25mA
Current - Hold (Ih) (Max):	35mA
Configuration:	Single
Operating Temperature:	-40°C ~ 125°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

The Thyristors-TRIACs, the acronym for ‘Thyristor modulated Triac’, is a switching device used in various electronic and electrical applications. Of all the Thyristors-TRIACs, the Q8010L4 is one of the most popular due to its high performance and affordability. This paper will provide an overview of the Q8010L4 application field, working principle along with the advantages and disadvantages of the device.

• Application Field and Working Principle of the Q8010L4

The Q8010L4 is a device used for switching and controlling medium power, AC applications. It is usually supplied with a gate delay of 7-9us and a VDRM of 400 - 800V. It is mainly used for motor control, heater control and various other industrial applications.The main working principle of the Q8010L4 is based on the concept of triggering and gating. When there is an input voltage, the thyristor enjoys a positive gate pulse; this, in turn, activates the junction turn-on of the triac (thyristor-switch), allowing current to flow. It then faces a negative gate pulse, which terminates the current conduction by turning off the thyristor-switch. The conduction of the thyristor-switch is periodically reversed with the application of a positive and negative gate pulse.

• Advantages

The Q8010L4 has several advantages over other similar devices. One of its most notable features is its high efficiency compared to other switching devices. Its low VDRM makes it ideal for use in motor control applications and helps improve their overall performance. It also has a very low gate current, which helps reduce the overall power consumption. Additionally, its wide operating temperature range and its fast switching speeds make it a great device for many applications.

• Disadvantages

The main disadvantage of the Q8010L4 is its relatively low power handling capabilities. While it still offers better power handling than most other Thyristors-TRIACs, it cannot handle large power demands like some of the other devices. It also has a large switching frequency, which can cause interference with other devices in the system. Additionally, the device can be expensive to purchase, especially if ordering in large quantities.

• Conclusion

The Thyristors-TRIACs are an important device in any electronic and electrical systems. The Q8010L4 is a great example of a versatile and highly efficient switching device. It is especially useful for its low VDRM, low gate current and wide operating temperature range. Despite this however, it should be kept in mind that it has its limits in terms of power handling and it may be expensive to purchase in large quantities.

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