Allicdata Part #: | X0203NN5AA4-ND |
Manufacturer Part#: |
X0203NN 5AA4 |
Price: | $ 0.00 |
Product Category: | Discrete Semiconductor Products |
Manufacturer: | STMicroelectronics |
Short Description: | SCR 800V SOT-223 |
More Detail: | SCR 800V 1.25A Sensitive Gate Surface Mount SOT-22... |
DataSheet: | X0203NN 5AA4 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Obsolete |
Voltage - Off State: | 800V |
Voltage - Gate Trigger (Vgt) (Max): | 800mV |
Current - Gate Trigger (Igt) (Max): | 200µA |
Voltage - On State (Vtm) (Max): | 1.45V |
Current - On State (It (AV)) (Max): | 800mA |
Current - On State (It (RMS)) (Max): | 1.25A |
Current - Hold (Ih) (Max): | 5mA |
Current - Off State (Max): | 5µA |
Current - Non Rep. Surge 50, 60Hz (Itsm): | 22.5A, 25A |
SCR Type: | Sensitive Gate |
Operating Temperature: | -40°C ~ 125°C |
Mounting Type: | Surface Mount |
Package / Case: | TO-261-4, TO-261AA |
Supplier Device Package: | SOT-223 |
Base Part Number: | X02 |
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Thyristors, also known as silicon-controlled rectifiers (SCRs), are semiconductor devices that consist of three or four layers of doped material. They are used as switching or rectification devices, meaning they can turn on and off electric current. The X0203NN 5AA4 is a type of SCR, and it is used for controlling and switching electrical currents in a variety of applications.
A thyristor is made up of two p-n junctions that are connected in series, with the bottom junction referred to as the gate and the top junction referred to as the anode. When the gate is forward biased, electrons and holes accumulate in the bottom p-region, creating an inversion layer. This inversion layer essentially acts as a semiconductor and is the only path for current to flow. When the anode voltage reaches a certain level, the thyristor switches into a conducting state and electric current starts flowing between the anode and the cathode.
The X0203NN 5AA4 is a 4-layer SCR with a maximum continuous on-state current rating of 10 A and a maximum surge on-state current rating of 25 A. It is typically used in motor control applications, such as motor speed control, motor reversing, and motor braking applications. The X0203NN 5AA4 is also used in other applications such as relay control, generator control, lighting control, and AC solid state relays.
In motor control applications, the X0203NN 5AA4 is usually used to switch the current on and off, allowing the user to control the speed of the motor. It can be used to transition between forward and reverse rotation and to decelerate, brake, and stop the motor. It is also used in relay control applications, as it can be used to control a relay and switch the connected circuit on and off rapidly. The X0203NN 5AA4 is also used in lighting control applications, as it can be used to switch alternate current on and off with great accuracy and fast response times.
The working principle of the X0203NN 5AA4 is simple. When the gate voltage is applied, the anode voltage of the thyristor rises until it reaches the rated gate current. At this point, the thyristor will switch into a conducting state and current will flow between the anode and the cathode. To turn off the device, the gate current must be reduced to zero, or the anode current must be brought down to a low level.
In conclusion, the X0203NN 5AA4 is a type of SCR that is used for controlling and switching electrical currents in a variety of applications, such as motor control, relay control, and lighting control. The device works by applying a gate voltage, which causes the anode voltage to rise until it reaches the rated gate current. At this point, the thyristor will switch into a conducting state and current will flow between the anode and the cathode. To turn off the device, the gate current must be reduced to zero, or the anode current must be brought down to a low level.
The specific data is subject to PDF, and the above content is for reference
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