BTA204S-800B,118

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Triac Type:	Standard
Voltage - Off State:	800V
Current - On State (It (RMS)) (Max):	4A
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Current - Non Rep. Surge 50, 60Hz (Itsm):	25A, 27A
Current - Gate Trigger (Igt) (Max):	50mA
Current - Hold (Ih) (Max):	30mA
Configuration:	Single
Operating Temperature:	125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	DPAK
Base Part Number:	BTA204

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Thyristors - TRIACs

Thyristors are three-terminal semiconductor switching devices with four layers of alternating N and P-type material. They are also known as thyristors and have various applications, including ac power-control switches, light dimmers and home security systems.

BTA204S-800B,118 application field and working principle

The BTA204S-800B,118 is a TRIAC (Thyristor for Alternating Current) device with an integrated gate and a maximum breakdown voltage of 800V. The device has a blocking capability in both directions (forward and reverse). Its thermal power dissipation is up to 116W.The BTA204S-800B,118 is suitable for a range of AC power control applications from motor speed control to light dimming and home security systems. It is designed for use in applications where sudden surges of current are expected such as a plasma cutter, welding equipment, engine starters, and dimmers.The operation of the BTA204S-800B,118 is based on the principle of a thyristor. It has four layers of alternating N and P-type material. The gate, when triggered by a current, switches the thyristor ON and the current begins to flow, allowing power to be controlled. When the current through the gate is removed, the thyristor is turned OFF and all current ceases.The BTA204S-800B,118 has an integrated gate which allows it to be triggered by a control circuit or a microcontroller. The device has the ability to switch OFF quickly, allowing it to be used with high power ratings. The device has an operating temperature range of -40°C to +125°C, a maximum repetitive peak reverse blocking voltage of 800V and a forward breakover voltage of 630V.In addition, it has a large junction capacitance (Cj) enabling its use in applications that require a high level of noise immunity. The large capacitance stores the energy applied to the gate and dissipates it when the device switches OFF. This ensures that the voltage across the thyristor does not exceed the limits of its breakdown voltage.The BTA204S-800B,118 is designed for use in AC mains power switching and light dimming applications. The device has a built-in gate which makes it ideal for use in these applications since it reduces the complexity of the control circuit. The device is also suitable for applications that require a fast switching speed as its junction capacitance can store energy quickly and dissipate it when the thyristor switches OFF.Overall, the BTA204S-800B,118 is a robust and reliable device for AC switching and dimming applications. Its integrated gate and large junction capacitance make it ideal for these applications. It is designed to withstand higher than average power conditions and has a wide operating temperature range.

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