Allicdata Part #: | C49A20X2-ND |
Manufacturer Part#: |
C49A20X2 |
Price: | $ 50.47 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | Powerex Inc. |
Short Description: | THYRISTOR INV 70A 100V TO-83 |
More Detail: | SCR Standard Recovery |
DataSheet: | C49A20X2 Datasheet/PDF |
Quantity: | 1000 |
30 +: | $ 45.88290 |
Series: | -- |
Packaging: | -- |
Part Status: | Active |
Current - Non Rep. Surge 50, 60Hz (Itsm): | -- |
SCR Type: | Standard Recovery |
Operating Temperature: | -- |
Mounting Type: | -- |
Package / Case: | -- |
Supplier Device Package: | -- |
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Thyristors - SCRs
C49A20X2 is a four-quadrant triac, which is a specific type of thyristor also known as a silicon-controlled rectifier (SCR). A thyristor is a semiconductor that consists of four layers of alternating P-type and N-type material. These semiconductors can block current in one direction, but can conduct current in either direction when triggered.
Application Field
Thyristors are used for a variety of applications, including computer power supplies, motor speed control, servo motors, machine tools, switching power supplies, lighting and appliance control, and motor power control systems. The unique four-layer material in SCRs makes them useful in switching applications. SCRs are particularly well suited for controlling high-voltage and high-current applications, such as those in the manufacture of electrical power and industrial heating and welding.
Working Principle
The key feature of an SCR is its ability to “latch up” when exposed to a certain amount of current. This is accomplished by passing a current through the device which causes an extra “gate” to open, creating an on-off switch which allows the current to flow through the SCR. The current can only be limited by the resistance of the SCR itself, so no other external control is necessary. Once the current has flowed through the device, it will stay on until the current is removed or the voltage is reversed. By controlling the voltage and current applied to the SCR, it is possible to control the amount of power being passed through the device.
C49A20X2 thyristors are used in control and switching applications where their unique characteristics can be put to effective use. They are used in a variety of applications, ranging from high-power industrial heating to switching power supplies and motor control. Their positive resistance characteristics make them ideal for applications where precision control is required. As SCRs can be used in both AC and DC applications, they are a versatile solution for controlling power levels.
Conclusion
Thyristors, and particularly C49A20X2 SCRs, provide a versatile and dynamic solution for power switching and control. Due to their four-layer semiconductor makeup, thyristors can be reliably used for high-current applications. By controlling the voltage and current applied to the SCR, it is possible to precisely control the amount of current travelling through the device and limit the amount of power delivered. SCRs are widely used for industrial and commercial applications, including motor speed and power control, lights and appliances, and switching power supplies.
The specific data is subject to PDF, and the above content is for reference
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