BT151S-650SJ

Current - On State (It (RMS)) (Max):	12A
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	125°C (TJ)
SCR Type:	Sensitive Gate
Current - Non Rep. Surge 50, 60Hz (Itsm):	90A, 100A
Current - Off State (Max):	500µA
Current - Hold (Ih) (Max):	6mA
Series:	--
Current - On State (It (AV)) (Max):	7.5A
Voltage - On State (Vtm) (Max):	1.75V
Current - Gate Trigger (Igt) (Max):	200µA
Voltage - Gate Trigger (Vgt) (Max):	1V
Voltage - Off State:	650V
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Thyristors, which are devices that contain four layers of alternating semiconductors, have come a long way in the past few decades. They have evolved from simple switches to components that are capable of controlling power converters and power supplies. One of these devices is the BT151S-650SJ, which is a thyristor with an anode voltage rating of 650V and a current rating of 15A. The BT151S-650SJ has many applications in the power electronics industry, and its working principle is fairly straightforward.The BT151S-650SJ is a type of thyristor known as an SCR, or silicon-controlled rectifier. An SCR is a four-layer, alternating semiconductor device that is capable of controlling a large amount of current. The BT151S-650SJ is a popular choice for applications that require high switching frequencies and fast response times. The device works by allowing current to flow in only one direction, which is known as rectification. This process is initiated by applying an external control voltage to the gate of the thyristor, which then turns on the device, allowing current to flow.The BT151S-650SJ is commonly used in high-power switching circuits and power converters. It can be used to switch loads between AC and DC voltages, as well as to control inverter and converter circuits. Additionally, the BT151S-650SJ can be used to regulate the current in DC motor drives, protecting the motor from over-current and voltage spikes. The device is also widely used in the control of photovoltaic systems, as it allows current to flow in only one direction, protecting the system from damage due to reverse current.The BT151S-650SJ is generally operated in either the linear or the on-off state. In the linear state, it acts as a variable resistor, allowing a continuous current flow and allowing the user to adjust the amount of current in a given circuit. The on-off state is used when the user needs to rapidly switch between two voltage levels in a circuit. It is achieved by applying a control voltage to the gate of the thyristor, which turns the device on and off.Additionally, the BT151S-650SJ is designed with built-in safety features, such as over-voltage and over-current protection. The device is designed to trip off automatically if the voltage or current exceed the maximum specified levels, protecting both the device itself and the components downstream of it.Overall, the BT151S-650SJ is a versatile power supply device that is widely used in power electronics applications. Its ability to control current flow in one direction, as well as its safety features and fast switching times, makes it an ideal choice for many applications.

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