BT151X-800C,127

Current - Hold (Ih) (Max):	20mA
Base Part Number:	BT151
Supplier Device Package:	TO-220-3
Package / Case:	TO-220-3 Full Pack, Isolated Tab
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
SCR Type:	Standard Recovery
Current - Non Rep. Surge 50, 60Hz (Itsm):	100A, 110A
Current - Off State (Max):	500µA
Series:	--
Current - On State (It (RMS)) (Max):	12A
Current - On State (It (AV)) (Max):	7.5A
Voltage - On State (Vtm) (Max):	1.75V
Current - Gate Trigger (Igt) (Max):	15mA
Voltage - Gate Trigger (Vgt) (Max):	1.5V
Voltage - Off State:	800V
Part Status:	Active
Packaging:	Tube

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Thyristors - SCRs

Thyristors, commonly known as Silicon Controlled Rectifiers (SCRs), are electronic devices created from a combination of semiconductor and electronics materials. They are widely used in a variety of industrial applications and are popular due to their simple construction, large current and voltage ratings, and because they can easily be controlled. The BT151X-800C,127 is a widely-used SCR in industrial applications, and this article will discuss how it works and its application fields.

Construction

The BT151X-800C,127 is an SCR that is manufactured using silicon semiconductors. The silicon has been combined with diamonds to increase the conductivity of the device. The construction of the device consists of three main components: a main silicon wafer, an anode and a cathode. The main silicon wafer is composed of two layers which are connected together using a rectifying layer of semiconductor material. The anode and the cathode are connected by a conductor which passes through the silicon wafer. The central part of the device is the rectifying layer which controls the current passing through it.

Working Principle

The working principle of the BT151X-800C,127 involves controlling current passing through the device. When power is applied to the anode, an “on” current will flow. When the anode is no longer energised, the device is said to be ‘off’. Once the ‘off’ state is reached, current can only be enabled by an external trigger applied to the device. This makes SCRs ideal for controlling the flow of current in a circuit.

Application Fields

The BT151X-800C,127 is commonly used in a variety of applications including power switching, motor control and protection, lighting control and dimming, and automotive electronics. In the power switching field, SCRs are typically used in power supplies and UPS systems in order to switch on and off the power being supplied. SCRs are also used in motor control applications to switch on and off the motor power, as well as applying different levels of current to the motor based on the desired speed. SCRs are also used in lighting control systems and dimmers, as they are able to control the amount of current that is being supplied to the lighting. Finally, SCRs are used in the automotive industry in order to control the flow of current from the car battery to the other elements of the car, allowing the car to start and stop efficiently.

Conclusion

The BT151X-800C,127 is a widely-used SCR in industrial applications, providing power switching and control solutions for a wide range of industrial applications. Its construction involves two layers of silicon connected with diamonds for increased conductivity, and its working principle is based on controlling the flow of current through the device using a rectifying layer. The device is used in applications such as power switching, motor control and protection, lighting control and dimming, and automotive electronics.

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