ACST6-7SG-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Triac Type:	Logic - Sensitive Gate
Voltage - Off State:	700V
Current - On State (It (RMS)) (Max):	6A
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Current - Non Rep. Surge 50, 60Hz (Itsm):	45A, 50A
Current - Gate Trigger (Igt) (Max):	10mA
Current - Hold (Ih) (Max):	25mA
Configuration:	Single
Operating Temperature:	-30°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Supplier Device Package:	D2PAK
Base Part Number:	ACST6

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Introduction

Thyristor or Thyristor-TRIACs is one of the widely used power electronics components that converts AC voltage into a DC voltage. Its application field and working principle are diverse, making it a popular choice for many industrial, energy, and commercial applications. This article will discuss ACST6-7SG-TR and its application fields and working principles. ACST6-7SG-TR is a four-layer Low Voltage Discrete Thyristor-TRIAC module specifically designed for the industrial and automotive markets. It is a fully isolated device, capable of switching low voltage AC, DC and AC/DC signals from 0.3 V up to 1200 V.

Basic Components and Working Principle of ACST6-7SG-TR

ACST6-7SG-TR consists of two main components: a thyristor and a TRIAC. A thyristor is a semiconductor device consisting of a PN junction enclosed between two electrodes, while a TRIAC is a thyristor connected to three electrodes. Both components work together to convert AC voltage into DC voltage. When the correct voltage is applied to the thyristor, it triggers the flow of electric current in one direction, allowing current to flow only in the forward direction. Alternatively, when the applied voltage is reversed, the thyristor will not permit the current to flow. The TRIAC works in a similar way, but it has three main electrodes, and can be triggered from either direction, allowing current to flow in both the forward and reverse directions. When the external control switches, the TRIAC will switch between the two directions.

Application Field and Working Principle of ACST6-7SG-TR

ACST6-7SG-TR is a versatile device, and is ideal for applications that require the conversion of low voltage AC, DC and AC/DC signals from 0.3 V up to 1200 V. It is also suitable for AC phase control applications where the load impedance is too high for a single thyristor, as the TRIAC can be triggered from either direction to switch between the forward and reverse directions. ACST6-7SG-TR is typically used in switchmode power supplies, motor control circuits, uninterruptible power supplies (UPS), telecommunications, lighting and automotive applications. It is also used in circuit protection devices such as fuses, circuit breakers, and flow switches. The ACST6-7SG-TR can be used in high-power switching applications such as DC-DC converters and motor control circuits, as well as in AC phase control and pulse-width modulation (PWM) applications. It also provides protection from transients and overloads and can be used in systems requiring a safe, reliable and cost-effective power solution.

Conclusion

In conclusion, ACST6-7SG-TR is a versatile device, and is ideal for applications requiring the conversion of low voltage AC, DC and AC/DC signals from 0.3 V up to 1200 V. It is also suitable for AC phase control applications where the load impedance is too high for a single thyristor. Furthermore, it is typically used in switchmode power supplies, motor control circuits, telecommunications, lighting and automotive applications.

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