BT169D,126 Discrete Semiconductor Products

Current - Hold (Ih) (Max):	5mA
Base Part Number:	BT169
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	--
SCR Type:	Sensitive Gate
Current - Non Rep. Surge 50, 60Hz (Itsm):	8A, 9A
Current - Off State (Max):	100µA
Series:	--
Current - On State (It (RMS)) (Max):	800mA
Current - On State (It (AV)) (Max):	500mA
Voltage - On State (Vtm) (Max):	1.7V
Current - Gate Trigger (Igt) (Max):	200µA
Voltage - Gate Trigger (Vgt) (Max):	800mV
Voltage - Off State:	400V
Part Status:	Active
Packaging:	Tape & Box (TB)

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Thyristors - SCRs

A thyristor is a semiconductor device with three or four terminals that act as an electrically operated switch. Thyristors are specifically designed to control the flow of electricity in a circuit, and are an excellent choice for applications that require long-lasting, efficient switching. There are several types of thyristors, but they all follow the same basic principles and design principles. In this article, we will focus on the BT169D,126 application field and working principle.BT169D is a high power three-terminal silicon controlled rectifier (SCR) with a metal oxide free wheel structure. It is suitable for applications such as motor control, lighting, power supply, and other high power applications. It features a low start current and is capable of handling up to 1000V, 160A high power.The BT169D,126 thyristor works on the principle of a three-terminal current regulator. It features a PN junction, with the main current flow from the anode (A) to the cathode (K). The control electrode or gated terminal (G) is connected to an external circuit and acts as the third terminal. When the anode and control electrodes are brought to a positive voltage, the thyristor is triggered on and current starts to flow.The BT169D,126 thyristor also features a reverse blocking capability. In normal operation, the anode is held at a higher voltage more than the cathode by a resistor connected to an external source. When the anode-cathode voltage drops, the thyristor switches off and all the current passes through the resistance. This prevents current from flowing in the reverse direction.The BT169D,126 thyristor can also be used in high-power applications, such as motor control, lighting, and power supply. It features a low start current and is capable of handling up to 1000V, 160A high power. In motor control applications, BT169D,126 ensures quick switching with minimal arcing or sparking, and also provides improved mobility of motor components and increased motor speed accuracy. In lighting applications, BT169D,126 provides fast switching, precise dimming, and precise color adjustment for LEDs. In power supply applications, BT169D,126 ensures reliable power supply with minimal interruptions.BT169D,126 is capable of withstanding high operating temperature and is highly reliable. This makes it an ideal choice for applications that require efficient and long-lasting switching. It is also highly-suitable for high-power applications, as it can effectively handle and dissipates large amounts of current.In conclusion, the BT169D,126 thyristor is an excellent choice for a variety of applications due to its high power handling capability, reliability, and low start current. It can also be used for applications such as motor control, lighting, and power supply, where it can improve mobility, speed accuracy, precision dimming, and color adjustment. Finally, BT169D,126 is capable of withstanding high operating temperatures, ensuring reliability and long-lasting performance.

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